From 3fe353db2e3ff12adddf544fcda9ce49f85ac682 Mon Sep 17 00:00:00 2001 From: "Daniele Verducci (ZenPenguin)" Date: Fri, 19 Mar 2021 08:58:05 +0100 Subject: [PATCH] Memory decoding, WIP IO decoding --- .../hardware/schematics/pat80/pat80-cache.lib | 31 + .../hardware/schematics/pat80/pat80.sch | 1601 ++++++++++------- .../hardware/schematics/pat80/pat80.sch-bak | 1597 +++++++++------- 3 files changed, 2019 insertions(+), 1210 deletions(-) diff --git a/pat80-computer/hardware/schematics/pat80/pat80-cache.lib b/pat80-computer/hardware/schematics/pat80/pat80-cache.lib index 5728c7e..2252e7f 100644 --- a/pat80-computer/hardware/schematics/pat80/pat80-cache.lib +++ b/pat80-computer/hardware/schematics/pat80/pat80-cache.lib @@ -37,6 +37,37 @@ X GND 7 0 -500 200 U 50 50 7 0 W ENDDRAW ENDDEF # +# 74xx_74LS138 +# +DEF 74xx_74LS138 U 0 40 Y Y 1 L N +F0 "U" -300 450 50 H V C CNN +F1 "74xx_74LS138" -300 -550 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + DIP?16* +$ENDFPLIST +DRAW +S -300 400 300 -500 1 1 10 f +X A0 1 -500 300 200 R 50 50 1 0 I +X O5 10 500 -200 200 L 50 50 1 0 O V +X O4 11 500 -100 200 L 50 50 1 0 O V +X O3 12 500 0 200 L 50 50 1 0 O V +X O2 13 500 100 200 L 50 50 1 0 O V +X O1 14 500 200 200 L 50 50 1 0 O V +X O0 15 500 300 200 L 50 50 1 0 O V +X VCC 16 0 600 200 D 50 50 1 0 W +X A1 2 -500 200 200 R 50 50 1 0 I +X A2 3 -500 100 200 R 50 50 1 0 I +X E1 4 -500 -400 200 R 50 50 1 0 I L +X E2 5 -500 -300 200 R 50 50 1 0 I L +X E3 6 -500 -200 200 R 50 50 1 0 I +X O7 7 500 -400 200 L 50 50 1 0 O V +X GND 8 0 -700 200 U 50 50 1 0 W +X O6 9 500 -300 200 L 50 50 1 0 O V +ENDDRAW +ENDDEF +# # 74xx_74LS32 # DEF 74xx_74LS32 U 0 40 Y Y 5 L N diff --git a/pat80-computer/hardware/schematics/pat80/pat80.sch b/pat80-computer/hardware/schematics/pat80/pat80.sch index 53c5fbb..28f753d 100644 --- a/pat80-computer/hardware/schematics/pat80/pat80.sch +++ b/pat80-computer/hardware/schematics/pat80/pat80.sch @@ -20,1129 +20,1516 @@ Text Notes 13000 11050 0 50 ~ 0 $Comp L Memory_EEPROM:28C256 U3 U 1 1 604F6B81 -P 7850 2500 -F 0 "U3" V 7896 1356 50 0000 R CNN -F 1 "256k (32k x 8) EEPROM" V 7805 1356 50 0000 R CNN -F 2 "" H 7850 2500 50 0001 C CNN -F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 7850 2500 50 0001 C CNN - 1 7850 2500 +P 8600 5700 +F 0 "U3" V 8646 4556 50 0000 R CNN +F 1 "256k (32k x 8) EEPROM" V 8555 4556 50 0000 R CNN +F 2 "" H 8600 5700 50 0001 C CNN +F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 8600 5700 50 0001 C CNN + 1 8600 5700 0 -1 -1 0 $EndComp Entry Wire Line - 5150 2350 5250 2450 + 5900 5550 6000 5650 Entry Wire Line - 5150 2450 5250 2550 + 5900 5650 6000 5750 Entry Wire Line - 5150 2550 5250 2650 + 5900 5750 6000 5850 Entry Wire Line - 5150 2650 5250 2750 + 5900 5850 6000 5950 Entry Wire Line - 5150 2750 5250 2850 + 5900 5950 6000 6050 Entry Wire Line - 5150 2850 5250 2950 + 5900 6050 6000 6150 Entry Wire Line - 5150 2950 5250 3050 + 5900 6150 6000 6250 Entry Wire Line - 5150 3050 5250 3150 + 5900 6250 6000 6350 Entry Wire Line - 5150 3150 5250 3250 + 5900 6350 6000 6450 Entry Wire Line - 5150 3250 5250 3350 + 5900 6450 6000 6550 Entry Wire Line - 5150 3350 5250 3450 + 5900 6550 6000 6650 Entry Wire Line - 5150 3450 5250 3550 + 5900 6650 6000 6750 Entry Wire Line - 5150 3550 5250 3650 + 5900 6750 6000 6850 Entry Wire Line - 5150 3650 5250 3750 + 5900 6850 6000 6950 Entry Wire Line - 5150 3750 5250 3850 -Wire Bus Line - 5250 3850 6100 3850 + 5900 6950 6000 7050 Wire Wire Line - 4850 2250 5150 2250 + 5600 5450 5900 5450 Wire Wire Line - 4850 2350 5150 2350 + 5600 5550 5900 5550 Wire Wire Line - 4850 2450 5150 2450 + 5600 5650 5900 5650 Wire Wire Line - 4850 2550 5150 2550 + 5600 5750 5900 5750 Wire Wire Line - 4850 2650 5150 2650 + 5600 5850 5900 5850 Wire Wire Line - 4850 2750 5150 2750 + 5600 5950 5900 5950 Wire Wire Line - 4850 2850 5150 2850 + 5600 6050 5900 6050 Wire Wire Line - 4850 2950 5150 2950 + 5600 6150 5900 6150 Wire Wire Line - 4850 3050 5150 3050 + 5600 6250 5900 6250 Wire Wire Line - 4850 3150 5150 3150 + 5600 6350 5900 6350 Wire Wire Line - 4850 3250 5150 3250 + 5600 6450 5900 6450 Wire Wire Line - 4850 3350 5150 3350 + 5600 6550 5900 6550 Wire Wire Line - 4850 3450 5150 3450 + 5600 6650 5900 6650 Wire Wire Line - 4850 3550 5150 3550 + 5600 6750 5900 6750 Wire Wire Line - 4850 3650 5150 3650 + 5600 6850 5900 6850 Wire Wire Line - 4850 3750 5150 3750 + 5600 6950 5900 6950 Entry Wire Line - 6950 3000 6850 3100 + 7700 6200 7600 6300 Entry Wire Line - 7050 3000 6950 3100 + 7800 6200 7700 6300 Entry Wire Line - 7150 3000 7050 3100 + 7900 6200 7800 6300 Entry Wire Line - 7250 3000 7150 3100 + 8000 6200 7900 6300 Entry Wire Line - 7350 3000 7250 3100 + 8100 6200 8000 6300 Entry Wire Line - 7450 3000 7350 3100 + 8200 6200 8100 6300 Entry Wire Line - 7550 3000 7450 3100 + 8300 6200 8200 6300 Entry Wire Line - 7650 3000 7550 3100 + 8400 6200 8300 6300 Entry Wire Line - 7750 3000 7650 3100 + 8500 6200 8400 6300 Entry Wire Line - 7850 3000 7750 3100 + 8600 6200 8500 6300 Entry Wire Line - 7950 3000 7850 3100 + 8700 6200 8600 6300 Entry Wire Line - 8050 3000 7950 3100 + 8800 6200 8700 6300 Entry Wire Line - 8150 3000 8050 3100 + 8900 6200 8800 6300 Entry Wire Line - 8250 3000 8150 3100 + 9000 6200 8900 6300 Entry Wire Line - 8350 3000 8250 3100 + 9100 6200 9000 6300 Wire Wire Line - 6950 2900 6950 3000 + 7700 6100 7700 6200 Wire Wire Line - 7050 2900 7050 3000 + 7800 6100 7800 6200 Wire Wire Line - 7150 2900 7150 3000 + 7900 6100 7900 6200 Wire Wire Line - 7250 2900 7250 3000 + 8000 6100 8000 6200 Wire Wire Line - 7350 2900 7350 3000 + 8100 6100 8100 6200 Wire Wire Line - 7450 2900 7450 3000 + 8200 6100 8200 6200 Wire Wire Line - 7550 2900 7550 3000 + 8300 6100 8300 6200 Wire Wire Line - 7650 2900 7650 3000 + 8400 6100 8400 6200 Wire Wire Line - 7750 2900 7750 3000 + 8500 6100 8500 6200 Wire Wire Line - 7850 2900 7850 3000 + 8600 6100 8600 6200 Wire Wire Line - 7950 2900 7950 3000 + 8700 6100 8700 6200 Wire Wire Line - 8050 2900 8050 3000 + 8800 6100 8800 6200 Wire Wire Line - 8150 2900 8150 3000 + 8900 6100 8900 6200 Wire Wire Line - 8250 2900 8250 3000 + 9000 6100 9000 6200 Wire Wire Line - 8350 2900 8350 3000 -Wire Bus Line - 6100 3850 6100 3100 -Text Label 4950 2250 0 50 ~ 0 + 9100 6100 9100 6200 +Text Label 5700 5450 0 50 ~ 0 A0 -Text Label 4950 2350 0 50 ~ 0 +Text Label 5700 5550 0 50 ~ 0 A1 -Text Label 4950 2450 0 50 ~ 0 +Text Label 5700 5650 0 50 ~ 0 A2 -Text Label 4950 2550 0 50 ~ 0 +Text Label 5700 5750 0 50 ~ 0 A3 -Text Label 4950 2650 0 50 ~ 0 +Text Label 5700 5850 0 50 ~ 0 A4 -Text Label 4950 2750 0 50 ~ 0 +Text Label 5700 5950 0 50 ~ 0 A5 -Text Label 4950 2850 0 50 ~ 0 +Text Label 5700 6050 0 50 ~ 0 A6 -Text Label 4950 2950 0 50 ~ 0 +Text Label 5700 6150 0 50 ~ 0 A7 -Text Label 4950 3050 0 50 ~ 0 +Text Label 5700 6250 0 50 ~ 0 A8 -Text Label 4950 3150 0 50 ~ 0 +Text Label 5700 6350 0 50 ~ 0 A9 -Text Label 4950 3250 0 50 ~ 0 +Text Label 5700 6450 0 50 ~ 0 A10 -Text Label 4950 3350 0 50 ~ 0 +Text Label 5700 6550 0 50 ~ 0 A11 -Text Label 4950 3450 0 50 ~ 0 +Text Label 5700 6650 0 50 ~ 0 A12 -Text Label 4950 3550 0 50 ~ 0 +Text Label 5700 6750 0 50 ~ 0 A13 -Text Label 4950 3650 0 50 ~ 0 +Text Label 5700 6850 0 50 ~ 0 A14 -Text Label 4950 3750 0 50 ~ 0 +Text Label 5700 6950 0 50 ~ 0 A15 -Text Label 6950 2950 3 50 ~ 0 +Text Label 7700 6150 3 50 ~ 0 A0 -Text Label 7050 2950 3 50 ~ 0 +Text Label 7800 6150 3 50 ~ 0 A1 -Text Label 7150 2950 3 50 ~ 0 +Text Label 7900 6150 3 50 ~ 0 A2 -Text Label 7250 2950 3 50 ~ 0 +Text Label 8000 6150 3 50 ~ 0 A3 -Text Label 7350 2950 3 50 ~ 0 +Text Label 8100 6150 3 50 ~ 0 A4 -Text Label 7450 2950 3 50 ~ 0 +Text Label 8200 6150 3 50 ~ 0 A5 -Text Label 7550 2950 3 50 ~ 0 +Text Label 8300 6150 3 50 ~ 0 A6 -Text Label 7650 2950 3 50 ~ 0 +Text Label 8400 6150 3 50 ~ 0 A7 -Text Label 7750 2950 3 50 ~ 0 +Text Label 8500 6150 3 50 ~ 0 A8 -Text Label 7850 2950 3 50 ~ 0 +Text Label 8600 6150 3 50 ~ 0 A9 -Text Label 7950 2950 3 50 ~ 0 +Text Label 8700 6150 3 50 ~ 0 A10 -Text Label 8050 2950 3 50 ~ 0 +Text Label 8800 6150 3 50 ~ 0 A11 -Text Label 8150 2950 3 50 ~ 0 +Text Label 8900 6150 3 50 ~ 0 A12 -Text Label 8250 2950 3 50 ~ 0 +Text Label 9000 6150 3 50 ~ 0 A13 -Text Label 8350 2950 3 50 ~ 0 +Text Label 9100 6150 3 50 ~ 0 A14 Entry Wire Line - 6950 4550 6850 4650 + 7700 7750 7600 7850 Entry Wire Line - 7050 4550 6950 4650 + 7800 7750 7700 7850 Entry Wire Line - 7150 4550 7050 4650 + 7900 7750 7800 7850 Entry Wire Line - 7250 4550 7150 4650 + 8000 7750 7900 7850 Entry Wire Line - 7350 4550 7250 4650 + 8100 7750 8000 7850 Entry Wire Line - 7450 4550 7350 4650 + 8200 7750 8100 7850 Entry Wire Line - 7550 4550 7450 4650 + 8300 7750 8200 7850 Entry Wire Line - 7650 4550 7550 4650 + 8400 7750 8300 7850 Entry Wire Line - 7750 4550 7650 4650 + 8500 7750 8400 7850 Entry Wire Line - 7850 4550 7750 4650 + 8600 7750 8500 7850 Entry Wire Line - 7950 4550 7850 4650 + 8700 7750 8600 7850 Entry Wire Line - 8050 4550 7950 4650 + 8800 7750 8700 7850 Entry Wire Line - 8150 4550 8050 4650 + 8900 7750 8800 7850 Entry Wire Line - 8250 4550 8150 4650 + 9000 7750 8900 7850 Entry Wire Line - 8350 4550 8250 4650 + 9100 7750 9000 7850 Wire Wire Line - 6950 4550 6950 4450 + 7700 7750 7700 7650 Wire Wire Line - 7050 4550 7050 4450 + 7800 7750 7800 7650 Wire Wire Line - 7150 4550 7150 4450 + 7900 7750 7900 7650 Wire Wire Line - 7250 4550 7250 4450 + 8000 7750 8000 7650 Wire Wire Line - 7350 4550 7350 4450 + 8100 7750 8100 7650 Wire Wire Line - 7450 4550 7450 4450 + 8200 7750 8200 7650 Wire Wire Line - 7550 4550 7550 4450 + 8300 7750 8300 7650 Wire Wire Line - 7650 4550 7650 4450 + 8400 7750 8400 7650 Wire Wire Line - 7750 4550 7750 4450 + 8500 7750 8500 7650 Wire Wire Line - 7850 4550 7850 4450 + 8600 7750 8600 7650 Wire Wire Line - 7950 4550 7950 4450 + 8700 7750 8700 7650 Wire Wire Line - 8050 4550 8050 4450 + 8800 7750 8800 7650 Wire Wire Line - 8150 4550 8150 4450 + 8900 7750 8900 7650 Wire Wire Line - 8250 4550 8250 4450 + 9000 7750 9000 7650 Wire Wire Line - 8350 4550 8350 4450 -Connection ~ 6100 3850 -Text Label 6950 4500 3 50 ~ 0 + 9100 7750 9100 7650 +Text Label 7700 7700 3 50 ~ 0 A0 -Text Label 7050 4500 3 50 ~ 0 +Text Label 7800 7700 3 50 ~ 0 A1 -Text Label 7150 4500 3 50 ~ 0 +Text Label 7900 7700 3 50 ~ 0 A2 -Text Label 7250 4500 3 50 ~ 0 +Text Label 8000 7700 3 50 ~ 0 A3 -Text Label 7350 4500 3 50 ~ 0 +Text Label 8100 7700 3 50 ~ 0 A4 -Text Label 7450 4500 3 50 ~ 0 +Text Label 8200 7700 3 50 ~ 0 A5 -Text Label 7550 4500 3 50 ~ 0 +Text Label 8300 7700 3 50 ~ 0 A6 -Text Label 7650 4500 3 50 ~ 0 +Text Label 8400 7700 3 50 ~ 0 A7 -Text Label 7750 4500 3 50 ~ 0 +Text Label 8500 7700 3 50 ~ 0 A8 -Text Label 7850 4500 3 50 ~ 0 +Text Label 8600 7700 3 50 ~ 0 A9 -Text Label 7950 4500 3 50 ~ 0 +Text Label 8700 7700 3 50 ~ 0 A10 -Text Label 8050 4500 3 50 ~ 0 +Text Label 8800 7700 3 50 ~ 0 A11 -Text Label 8150 4500 3 50 ~ 0 +Text Label 8900 7700 3 50 ~ 0 A12 -Text Label 8250 4500 3 50 ~ 0 +Text Label 9000 7700 3 50 ~ 0 A13 -Text Label 8350 4500 3 50 ~ 0 +Text Label 9100 7700 3 50 ~ 0 A14 Entry Wire Line - 5150 3950 5250 4050 + 5900 7150 6000 7250 Entry Wire Line - 5150 3950 5250 4050 + 5900 7150 6000 7250 Entry Wire Line - 5150 4050 5250 4150 + 5900 7250 6000 7350 Entry Wire Line - 5150 4150 5250 4250 + 5900 7350 6000 7450 Entry Wire Line - 5150 4250 5250 4350 + 5900 7450 6000 7550 Entry Wire Line - 5150 4350 5250 4450 + 5900 7550 6000 7650 Entry Wire Line - 5150 4450 5250 4550 + 5900 7650 6000 7750 Entry Wire Line - 5150 4550 5250 4650 + 5900 7750 6000 7850 Entry Wire Line - 5150 4650 5250 4750 + 5900 7850 6000 7950 Wire Wire Line - 4850 3950 5150 3950 + 5600 7150 5900 7150 Wire Wire Line - 4850 4050 5150 4050 + 5600 7250 5900 7250 Wire Wire Line - 4850 4150 5150 4150 + 5600 7350 5900 7350 Wire Wire Line - 4850 4250 5150 4250 + 5600 7450 5900 7450 Wire Wire Line - 4850 4350 5150 4350 + 5600 7550 5900 7550 Wire Wire Line - 4850 4450 5150 4450 + 5600 7650 5900 7650 Wire Wire Line - 4850 4550 5150 4550 + 5600 7750 5900 7750 Wire Wire Line - 4850 4650 5150 4650 + 5600 7850 5900 7850 Wire Bus Line - 5250 5150 9600 5150 + 6000 8350 10350 8350 Entry Wire Line - 6950 3550 7050 3450 + 7700 6750 7800 6650 Entry Wire Line - 7150 3450 7050 3550 + 7900 6650 7800 6750 Entry Wire Line - 7250 3450 7150 3550 + 8000 6650 7900 6750 Entry Wire Line - 7350 3450 7250 3550 + 8100 6650 8000 6750 Entry Wire Line - 7450 3450 7350 3550 + 8200 6650 8100 6750 Entry Wire Line - 7550 3450 7450 3550 + 8300 6650 8200 6750 Entry Wire Line - 7650 3450 7550 3550 + 8400 6650 8300 6750 Entry Wire Line - 7750 3450 7650 3550 + 8500 6650 8400 6750 Wire Wire Line - 6950 3650 6950 3550 + 7700 6850 7700 6750 Wire Wire Line - 7050 3650 7050 3550 + 7800 6850 7800 6750 Wire Wire Line - 7150 3650 7150 3550 + 7900 6850 7900 6750 Wire Wire Line - 7250 3650 7250 3550 + 8000 6850 8000 6750 Wire Wire Line - 7350 3650 7350 3550 + 8100 6850 8100 6750 Wire Wire Line - 7450 3650 7450 3550 + 8200 6850 8200 6750 Wire Wire Line - 7550 3650 7550 3550 + 8300 6850 8300 6750 Wire Wire Line - 7650 3650 7650 3550 + 8400 6850 8400 6750 Wire Bus Line - 9600 3450 9600 5150 + 10350 6650 10350 8350 Entry Wire Line - 7050 1900 6950 2000 + 7800 5100 7700 5200 Entry Wire Line - 7150 1900 7050 2000 + 7900 5100 7800 5200 Entry Wire Line - 7250 1900 7150 2000 + 8000 5100 7900 5200 Entry Wire Line - 7350 1900 7250 2000 + 8100 5100 8000 5200 Entry Wire Line - 7450 1900 7350 2000 + 8200 5100 8100 5200 Entry Wire Line - 7550 1900 7450 2000 + 8300 5100 8200 5200 Entry Wire Line - 7650 1900 7550 2000 + 8400 5100 8300 5200 Entry Wire Line - 7750 1900 7650 2000 + 8500 5100 8400 5200 Wire Wire Line - 6950 2100 6950 2000 + 7700 5300 7700 5200 Wire Wire Line - 7050 2100 7050 2000 + 7800 5300 7800 5200 Wire Wire Line - 7150 2100 7150 2000 + 7900 5300 7900 5200 Wire Wire Line - 7250 2100 7250 2000 + 8000 5300 8000 5200 Wire Wire Line - 7350 2100 7350 2000 + 8100 5300 8100 5200 Wire Wire Line - 7450 2100 7450 2000 + 8200 5300 8200 5200 Wire Wire Line - 7550 2100 7550 2000 + 8300 5300 8300 5200 Wire Wire Line - 7650 2100 7650 2000 + 8400 5300 8400 5200 Wire Bus Line - 9600 1900 9600 3450 -Connection ~ 9600 3450 -Text Label 6950 2000 3 50 ~ 0 + 10350 5100 10350 6650 +Connection ~ 10350 6650 +Text Label 7700 5200 3 50 ~ 0 D0 -Text Label 7050 2000 3 50 ~ 0 +Text Label 7800 5200 3 50 ~ 0 D1 -Text Label 7150 2000 3 50 ~ 0 +Text Label 7900 5200 3 50 ~ 0 D2 -Text Label 7250 2000 3 50 ~ 0 +Text Label 8000 5200 3 50 ~ 0 D3 -Text Label 7350 2000 3 50 ~ 0 +Text Label 8100 5200 3 50 ~ 0 D4 -Text Label 7450 2000 3 50 ~ 0 +Text Label 8200 5200 3 50 ~ 0 D5 -Text Label 7550 2000 3 50 ~ 0 +Text Label 8300 5200 3 50 ~ 0 D6 -Text Label 7650 2000 3 50 ~ 0 +Text Label 8400 5200 3 50 ~ 0 D7 -Text Label 6950 3550 3 50 ~ 0 +Text Label 7700 6750 3 50 ~ 0 D0 -Text Label 7050 3550 3 50 ~ 0 +Text Label 7800 6750 3 50 ~ 0 D1 -Text Label 7150 3550 3 50 ~ 0 +Text Label 7900 6750 3 50 ~ 0 D2 -Text Label 7250 3550 3 50 ~ 0 +Text Label 8000 6750 3 50 ~ 0 D3 -Text Label 7350 3550 3 50 ~ 0 +Text Label 8100 6750 3 50 ~ 0 D4 -Text Label 7450 3550 3 50 ~ 0 +Text Label 8200 6750 3 50 ~ 0 D5 -Text Label 7550 3550 3 50 ~ 0 +Text Label 8300 6750 3 50 ~ 0 D6 -Text Label 7650 3550 3 50 ~ 0 +Text Label 8400 6750 3 50 ~ 0 D7 -Text Label 4950 3950 0 50 ~ 0 +Text Label 5700 7150 0 50 ~ 0 D0 -Text Label 4950 4050 0 50 ~ 0 +Text Label 5700 7250 0 50 ~ 0 D1 -Text Label 4950 4150 0 50 ~ 0 +Text Label 5700 7350 0 50 ~ 0 D2 -Text Label 4950 4250 0 50 ~ 0 +Text Label 5700 7450 0 50 ~ 0 D3 -Text Label 4950 4350 0 50 ~ 0 +Text Label 5700 7550 0 50 ~ 0 D4 -Text Label 4950 4450 0 50 ~ 0 +Text Label 5700 7650 0 50 ~ 0 D5 -Text Label 4950 4550 0 50 ~ 0 +Text Label 5700 7750 0 50 ~ 0 D6 -Text Label 4950 4650 0 50 ~ 0 +Text Label 5700 7850 0 50 ~ 0 D7 Entry Wire Line - 5150 2250 5250 2350 + 5900 5450 6000 5550 $Comp L Memory_EEPROM:28C256 U4 U 1 1 604FD5C5 -P 7850 4050 -F 0 "U4" V 7896 2906 50 0000 R CNN -F 1 "256k (32k x 8) SRAM" V 7805 2906 50 0000 R CNN -F 2 "" H 7850 4050 50 0001 C CNN -F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 7850 4050 50 0001 C CNN - 1 7850 4050 +P 8600 7250 +F 0 "U4" V 8646 6106 50 0000 R CNN +F 1 "256k (32k x 8) SRAM" V 8555 6106 50 0000 R CNN +F 2 "" H 8600 7250 50 0001 C CNN +F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 8600 7250 50 0001 C CNN + 1 8600 7250 0 -1 -1 0 $EndComp -Wire Bus Line - 6100 4650 6100 3850 $Comp L power:GND #PWR? U 1 1 60507104 -P 8950 2500 -F 0 "#PWR?" H 8950 2250 50 0001 C CNN -F 1 "GND" H 8955 2327 50 0000 C CNN -F 2 "" H 8950 2500 50 0001 C CNN -F 3 "" H 8950 2500 50 0001 C CNN - 1 8950 2500 +P 9700 5700 +F 0 "#PWR?" H 9700 5450 50 0001 C CNN +F 1 "GND" H 9705 5527 50 0000 C CNN +F 2 "" H 9700 5700 50 0001 C CNN +F 3 "" H 9700 5700 50 0001 C CNN + 1 9700 5700 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 6050737A -P 8950 4050 -F 0 "#PWR?" H 8950 3800 50 0001 C CNN -F 1 "GND" H 8955 3877 50 0000 C CNN -F 2 "" H 8950 4050 50 0001 C CNN -F 3 "" H 8950 4050 50 0001 C CNN - 1 8950 4050 +P 9700 7250 +F 0 "#PWR?" H 9700 7000 50 0001 C CNN +F 1 "GND" H 9705 7077 50 0000 C CNN +F 2 "" H 9700 7250 50 0001 C CNN +F 3 "" H 9700 7250 50 0001 C CNN + 1 9700 7250 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 605076F8 -P 4150 4950 -F 0 "#PWR?" H 4150 4700 50 0001 C CNN -F 1 "GND" H 4155 4777 50 0000 C CNN -F 2 "" H 4150 4950 50 0001 C CNN -F 3 "" H 4150 4950 50 0001 C CNN - 1 4150 4950 +P 4900 8150 +F 0 "#PWR?" H 4900 7900 50 0001 C CNN +F 1 "GND" H 4905 7977 50 0000 C CNN +F 2 "" H 4900 8150 50 0001 C CNN +F 3 "" H 4900 8150 50 0001 C CNN + 1 4900 8150 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 60507B8E -P 4150 1450 -F 0 "#PWR?" H 4150 1300 50 0001 C CNN -F 1 "VCC" H 4167 1623 50 0000 C CNN -F 2 "" H 4150 1450 50 0001 C CNN -F 3 "" H 4150 1450 50 0001 C CNN - 1 4150 1450 +P 4900 4650 +F 0 "#PWR?" H 4900 4500 50 0001 C CNN +F 1 "VCC" H 4917 4823 50 0000 C CNN +F 2 "" H 4900 4650 50 0001 C CNN +F 3 "" H 4900 4650 50 0001 C CNN + 1 4900 4650 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 60507E3C -P 6750 2500 -F 0 "#PWR?" H 6750 2350 50 0001 C CNN -F 1 "VCC" H 6767 2673 50 0000 C CNN -F 2 "" H 6750 2500 50 0001 C CNN -F 3 "" H 6750 2500 50 0001 C CNN - 1 6750 2500 +P 7500 5700 +F 0 "#PWR?" H 7500 5550 50 0001 C CNN +F 1 "VCC" H 7517 5873 50 0000 C CNN +F 2 "" H 7500 5700 50 0001 C CNN +F 3 "" H 7500 5700 50 0001 C CNN + 1 7500 5700 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 605080EF -P 6750 4050 -F 0 "#PWR?" H 6750 3900 50 0001 C CNN -F 1 "VCC" H 6767 4223 50 0000 C CNN -F 2 "" H 6750 4050 50 0001 C CNN -F 3 "" H 6750 4050 50 0001 C CNN - 1 6750 4050 +P 7500 7250 +F 0 "#PWR?" H 7500 7100 50 0001 C CNN +F 1 "VCC" H 7517 7423 50 0000 C CNN +F 2 "" H 7500 7250 50 0001 C CNN +F 3 "" H 7500 7250 50 0001 C CNN + 1 7500 7250 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 60508CD5 -P 3300 4550 -F 0 "#PWR?" H 3300 4400 50 0001 C CNN -F 1 "VCC" H 3317 4723 50 0000 C CNN -F 2 "" H 3300 4550 50 0001 C CNN -F 3 "" H 3300 4550 50 0001 C CNN - 1 3300 4550 +P 4050 7750 +F 0 "#PWR?" H 4050 7600 50 0001 C CNN +F 1 "VCC" H 4067 7923 50 0000 C CNN +F 2 "" H 4050 7750 50 0001 C CNN +F 3 "" H 4050 7750 50 0001 C CNN + 1 4050 7750 1 0 0 -1 $EndComp $Comp L CPU:Z80CPU U1 U 1 1 604F040E -P 4150 3450 -F 0 "U1" H 4150 5131 50 0000 C CNN -F 1 "Z80CPU" H 4150 5040 50 0000 C CNN -F 2 "" H 4150 3850 50 0001 C CNN -F 3 "www.zilog.com/manage_directlink.php?filepath=docs/z80/um0080" H 4150 3850 50 0001 C CNN - 1 4150 3450 +P 4900 6650 +F 0 "U1" H 4900 8331 50 0000 C CNN +F 1 "Z80CPU" H 4900 8240 50 0000 C CNN +F 2 "" H 4900 7050 50 0001 C CNN +F 3 "www.zilog.com/manage_directlink.php?filepath=docs/z80/um0080" H 4900 7050 50 0001 C CNN + 1 4900 6650 1 0 0 -1 $EndComp Wire Wire Line - 3450 3450 3300 3450 + 4200 6650 4050 6650 $Comp L power:VCC #PWR? U 1 1 6050EE1E -P 3300 3450 -F 0 "#PWR?" H 3300 3300 50 0001 C CNN -F 1 "VCC" H 3317 3623 50 0000 C CNN -F 2 "" H 3300 3450 50 0001 C CNN -F 3 "" H 3300 3450 50 0001 C CNN - 1 3300 3450 +P 4050 6650 +F 0 "#PWR?" H 4050 6500 50 0001 C CNN +F 1 "VCC" H 4067 6823 50 0000 C CNN +F 2 "" H 4050 6650 50 0001 C CNN +F 3 "" H 4050 6650 50 0001 C CNN + 1 4050 6650 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 6055A1F9 -P 4550 1450 -F 0 "C?" V 4298 1450 50 0000 C CNN -F 1 "100nF" V 4389 1450 50 0000 C CNN -F 2 "" H 4588 1300 50 0001 C CNN -F 3 "~" H 4550 1450 50 0001 C CNN - 1 4550 1450 +P 5300 4650 +F 0 "C?" V 5048 4650 50 0000 C CNN +F 1 "100nF" V 5139 4650 50 0000 C CNN +F 2 "" H 5338 4500 50 0001 C CNN +F 3 "~" H 5300 4650 50 0001 C CNN + 1 5300 4650 0 1 1 0 $EndComp $Comp L Device:C C? U 1 1 6055A9DD -P 4550 1650 -F 0 "C?" V 4298 1650 50 0000 C CNN -F 1 "56pF" V 4389 1650 50 0000 C CNN -F 2 "" H 4588 1500 50 0001 C CNN -F 3 "~" H 4550 1650 50 0001 C CNN - 1 4550 1650 +P 5300 4850 +F 0 "C?" V 5048 4850 50 0000 C CNN +F 1 "56pF" V 5139 4850 50 0000 C CNN +F 2 "" H 5338 4700 50 0001 C CNN +F 3 "~" H 5300 4850 50 0001 C CNN + 1 5300 4850 0 1 1 0 $EndComp Wire Wire Line - 4700 1450 4700 1550 + 5450 4650 5450 4750 $Comp L power:GND #PWR? U 1 1 60567CC3 -P 4800 1550 -F 0 "#PWR?" H 4800 1300 50 0001 C CNN -F 1 "GND" H 4805 1377 50 0000 C CNN -F 2 "" H 4800 1550 50 0001 C CNN -F 3 "" H 4800 1550 50 0001 C CNN - 1 4800 1550 +P 5550 4750 +F 0 "#PWR?" H 5550 4500 50 0001 C CNN +F 1 "GND" H 5555 4577 50 0000 C CNN +F 2 "" H 5550 4750 50 0001 C CNN +F 3 "" H 5550 4750 50 0001 C CNN + 1 5550 4750 1 0 0 -1 $EndComp Wire Wire Line - 4800 1550 4700 1550 -Connection ~ 4700 1550 + 5550 4750 5450 4750 +Connection ~ 5450 4750 Wire Wire Line - 4700 1550 4700 1650 + 5450 4750 5450 4850 Wire Wire Line - 4150 1450 4150 1550 + 4900 4650 4900 4750 Wire Wire Line - 4400 1650 4400 1550 + 5150 4850 5150 4750 Wire Wire Line - 4400 1550 4150 1550 -Connection ~ 4400 1550 + 5150 4750 4900 4750 +Connection ~ 5150 4750 Wire Wire Line - 4400 1550 4400 1450 -Connection ~ 4150 1550 + 5150 4750 5150 4650 +Connection ~ 4900 4750 Wire Wire Line - 4150 1550 4150 1950 -Text Notes 4300 1850 0 50 ~ 0 + 4900 4750 4900 5150 +Text Notes 5050 5050 0 50 ~ 0 Smoothing caps Wire Wire Line - 3450 4550 3300 4550 + 4200 7750 4050 7750 Text Notes 15450 11050 0 50 ~ 0 0.1 alpha $Comp L 74xx:74HC04 U11 -U 1 1 605236EF -P 2200 1650 -F 0 "U11" V 2154 1830 50 0000 L CNN -F 1 "74HC04" V 2245 1830 50 0000 L CNN -F 2 "" H 2200 1650 50 0001 C CNN -F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT04.pdf" H 2200 1650 50 0001 C CNN - 1 2200 1650 +U 6 1 605236EF +P 2950 4850 +F 0 "U11" V 2904 5030 50 0000 L CNN +F 1 "74LS32" V 2995 5030 50 0000 L CNN +F 2 "" H 2950 4850 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 4850 50 0001 C CNN + 6 2950 4850 0 1 1 0 $EndComp Wire Wire Line - 3350 1600 3250 1600 -Connection ~ 3350 1600 -Connection ~ 3350 1500 + 4100 4800 4000 4800 +Connection ~ 4100 4800 +Connection ~ 4100 4700 Wire Wire Line - 3350 1500 3350 1600 + 4100 4700 4100 4800 Wire Wire Line - 3450 1600 3350 1600 + 4200 4800 4100 4800 Wire Wire Line - 3750 1150 3900 1150 -Connection ~ 3350 1150 + 4500 4350 4650 4350 +Connection ~ 4100 4350 Wire Wire Line - 3450 1150 3350 1150 + 4200 4350 4100 4350 $Comp L Device:R R? U 1 1 60584118 -P 3600 1150 -F 0 "R?" H 3670 1196 50 0000 L CNN -F 1 "270k" H 3670 1105 50 0000 L CNN -F 2 "" V 3530 1150 50 0001 C CNN -F 3 "~" H 3600 1150 50 0001 C CNN - 1 3600 1150 +P 4350 4350 +F 0 "R?" H 4420 4396 50 0000 L CNN +F 1 "270k" H 4420 4305 50 0000 L CNN +F 2 "" V 4280 4350 50 0001 C CNN +F 3 "~" H 4350 4350 50 0001 C CNN + 1 4350 4350 0 1 1 0 $EndComp -Text Notes 2550 950 0 50 ~ 0 +Text Notes 3300 4150 0 50 ~ 0 Reset circuit with\ndebouncing and\npower-on-reset Wire Wire Line - 3350 2200 3350 2250 -Connection ~ 2850 1150 + 4100 5400 4100 5450 +Connection ~ 3600 4350 Wire Wire Line - 2850 1150 2850 1500 + 3600 4350 3600 4700 Wire Wire Line - 2850 1150 2700 1150 + 3600 4350 3450 4350 $Comp L power:GND #PWR? U 1 1 605315B7 -P 2700 1150 -F 0 "#PWR?" H 2700 900 50 0001 C CNN -F 1 "GND" H 2705 977 50 0000 C CNN -F 2 "" H 2700 1150 50 0001 C CNN -F 3 "" H 2700 1150 50 0001 C CNN - 1 2700 1150 +P 3450 4350 +F 0 "#PWR?" H 3450 4100 50 0001 C CNN +F 1 "GND" H 3455 4177 50 0000 C CNN +F 2 "" H 3450 4350 50 0001 C CNN +F 3 "" H 3450 4350 50 0001 C CNN + 1 3450 4350 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 60530F78 -P 3900 1150 -F 0 "#PWR?" H 3900 1000 50 0001 C CNN -F 1 "VCC" H 3917 1323 50 0000 C CNN -F 2 "" H 3900 1150 50 0001 C CNN -F 3 "" H 3900 1150 50 0001 C CNN - 1 3900 1150 +P 4650 4350 +F 0 "#PWR?" H 4650 4200 50 0001 C CNN +F 1 "VCC" H 4667 4523 50 0000 C CNN +F 2 "" H 4650 4350 50 0001 C CNN +F 3 "" H 4650 4350 50 0001 C CNN + 1 4650 4350 1 0 0 -1 $EndComp Wire Wire Line - 2900 1500 2850 1500 + 3650 4700 3600 4700 Wire Wire Line - 3350 1150 3250 1150 + 4100 4350 4000 4350 Wire Wire Line - 3350 1500 3350 1150 + 4100 4700 4100 4350 Wire Wire Line - 3200 1500 3350 1500 + 3950 4700 4100 4700 $Comp L Device:C C? U 1 1 6052B4C4 -P 3050 1500 -F 0 "C?" H 3165 1546 50 0000 L CNN -F 1 "10uF" H 3165 1455 50 0000 L CNN -F 2 "" H 3088 1350 50 0001 C CNN -F 3 "~" H 3050 1500 50 0001 C CNN - 1 3050 1500 +P 3800 4700 +F 0 "C?" H 3915 4746 50 0000 L CNN +F 1 "10uF" H 3915 4655 50 0000 L CNN +F 2 "" H 3838 4550 50 0001 C CNN +F 3 "~" H 3800 4700 50 0001 C CNN + 1 3800 4700 0 1 1 0 $EndComp $Comp L Switch:SW_Push SW1 U 1 1 60528DA4 -P 3050 1150 -F 0 "SW1" V 3050 1102 50 0000 R CNN -F 1 "SW_Push" V 3005 1102 50 0001 R CNN -F 2 "" H 3050 1350 50 0001 C CNN -F 3 "" H 3050 1350 50 0001 C CNN - 1 3050 1150 +P 3800 4350 +F 0 "SW1" V 3800 4302 50 0000 R CNN +F 1 "SW_Push" V 3755 4302 50 0001 R CNN +F 2 "" H 3800 4550 50 0001 C CNN +F 3 "" H 3800 4550 50 0001 C CNN + 1 3800 4350 1 0 0 -1 $EndComp $Comp L 74xx:74LS32 U10 -U 1 1 6051C888 -P 3350 1900 -F 0 "U10" H 3350 2225 50 0000 C CNN -F 1 "74LS32" H 3350 2134 50 0000 C CNN -F 2 "" H 3350 1900 50 0001 C CNN -F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 3350 1900 50 0001 C CNN - 1 3350 1900 +U 4 1 6051C888 +P 4100 5100 +F 0 "U10" H 4100 5425 50 0000 C CNN +F 1 "74LS32" H 4100 5334 50 0000 C CNN +F 2 "" H 4100 5100 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 4100 5100 50 0001 C CNN + 4 4100 5100 0 1 1 0 $EndComp $Comp L Device:C C? U 1 1 605648D0 -P 1100 1350 -F 0 "C?" V 848 1350 50 0000 C CNN -F 1 "30pF" V 939 1350 50 0000 C CNN -F 2 "" H 1138 1200 50 0001 C CNN -F 3 "~" H 1100 1350 50 0001 C CNN - 1 1100 1350 +P 1850 4550 +F 0 "C?" V 1598 4550 50 0000 C CNN +F 1 "30pF" V 1689 4550 50 0000 C CNN +F 2 "" H 1888 4400 50 0001 C CNN +F 3 "~" H 1850 4550 50 0001 C CNN + 1 1850 4550 0 1 1 0 $EndComp $Comp L Device:C C? U 1 1 60567676 -P 1100 1950 -F 0 "C?" V 848 1950 50 0000 C CNN -F 1 "30pF" V 939 1950 50 0000 C CNN -F 2 "" H 1138 1800 50 0001 C CNN -F 3 "~" H 1100 1950 50 0001 C CNN - 1 1100 1950 +P 1850 5150 +F 0 "C?" V 1598 5150 50 0000 C CNN +F 1 "30pF" V 1689 5150 50 0000 C CNN +F 2 "" H 1888 5000 50 0001 C CNN +F 3 "~" H 1850 5150 50 0001 C CNN + 1 1850 5150 0 1 1 0 $EndComp $Comp L power:GND #PWR? U 1 1 6056B22E -P 850 1350 -F 0 "#PWR?" H 850 1100 50 0001 C CNN -F 1 "GND" H 855 1177 50 0000 C CNN -F 2 "" H 850 1350 50 0001 C CNN -F 3 "" H 850 1350 50 0001 C CNN - 1 850 1350 +P 1600 4550 +F 0 "#PWR?" H 1600 4300 50 0001 C CNN +F 1 "GND" H 1605 4377 50 0000 C CNN +F 2 "" H 1600 4550 50 0001 C CNN +F 3 "" H 1600 4550 50 0001 C CNN + 1 1600 4550 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 6056C411 -P 850 1950 -F 0 "#PWR?" H 850 1700 50 0001 C CNN -F 1 "GND" H 855 1777 50 0000 C CNN -F 2 "" H 850 1950 50 0001 C CNN -F 3 "" H 850 1950 50 0001 C CNN - 1 850 1950 +P 1600 5150 +F 0 "#PWR?" H 1600 4900 50 0001 C CNN +F 1 "GND" H 1605 4977 50 0000 C CNN +F 2 "" H 1600 5150 50 0001 C CNN +F 3 "" H 1600 5150 50 0001 C CNN + 1 1600 5150 1 0 0 -1 $EndComp Wire Wire Line - 850 1950 950 1950 + 1600 5150 1700 5150 Wire Wire Line - 850 1350 950 1350 + 1600 4550 1700 4550 $Comp L Device:R R? U 1 1 60581F4C -P 1400 1650 -F 0 "R?" H 1470 1696 50 0000 L CNN -F 1 "3,3M" H 1470 1605 50 0000 L CNN -F 2 "" V 1330 1650 50 0001 C CNN -F 3 "~" H 1400 1650 50 0001 C CNN - 1 1400 1650 +P 2150 4850 +F 0 "R?" H 2220 4896 50 0000 L CNN +F 1 "3,3M" H 2220 4805 50 0000 L CNN +F 2 "" V 2080 4850 50 0001 C CNN +F 3 "~" H 2150 4850 50 0001 C CNN + 1 2150 4850 1 0 0 -1 $EndComp $Comp L Device:Crystal Y? U 1 1 6058BCE7 -P 1750 1650 -F 0 "Y?" V 1704 1781 50 0000 L CNN -F 1 "4Mhz" V 1795 1781 50 0000 L CNN -F 2 "" H 1750 1650 50 0001 C CNN -F 3 "~" H 1750 1650 50 0001 C CNN - 1 1750 1650 +P 2500 4850 +F 0 "Y?" V 2454 4981 50 0000 L CNN +F 1 "4Mhz" V 2545 4981 50 0000 L CNN +F 2 "" H 2500 4850 50 0001 C CNN +F 3 "~" H 2500 4850 50 0001 C CNN + 1 2500 4850 0 1 1 0 $EndComp Wire Wire Line - 1250 1350 1400 1350 + 2000 4550 2150 4550 Wire Wire Line - 1750 1500 1750 1350 -Connection ~ 1750 1350 + 2500 4700 2500 4550 +Connection ~ 2500 4550 Wire Wire Line - 1750 1350 2200 1350 + 2500 4550 2950 4550 Wire Wire Line - 1400 1500 1400 1350 -Connection ~ 1400 1350 + 2150 4700 2150 4550 +Connection ~ 2150 4550 Wire Wire Line - 1400 1350 1750 1350 + 2150 4550 2500 4550 Wire Wire Line - 1250 1950 1400 1950 + 2000 5150 2150 5150 Wire Wire Line - 1400 1800 1400 1950 -Connection ~ 1400 1950 + 2150 5000 2150 5150 +Connection ~ 2150 5150 Wire Wire Line - 1400 1950 1750 1950 + 2150 5150 2500 5150 Wire Wire Line - 1750 1800 1750 1950 -Connection ~ 1750 1950 + 2500 5000 2500 5150 +Connection ~ 2500 5150 Wire Wire Line - 1750 1950 2200 1950 -Text Notes 1350 2150 0 50 ~ 0 + 2500 5150 2950 5150 +Text Notes 2100 5350 0 50 ~ 0 System clock\n 4Mhz $Comp L 74xx:74HC04 U11 -U 2 1 605A807A -P 2200 2250 -F 0 "U11" V 2154 2430 50 0000 L CNN -F 1 "74HC04" V 2245 2430 50 0000 L CNN -F 2 "" H 2200 2250 50 0001 C CNN -F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT04.pdf" H 2200 2250 50 0001 C CNN - 2 2200 2250 +U 5 1 605A807A +P 2950 5450 +F 0 "U11" V 2904 5630 50 0000 L CNN +F 1 "74LS32" V 2995 5630 50 0000 L CNN +F 2 "" H 2950 5450 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 5450 50 0001 C CNN + 5 2950 5450 0 1 1 0 $EndComp Wire Wire Line - 3350 2250 3450 2250 -Connection ~ 2200 1950 + 4100 5450 4200 5450 +Connection ~ 2950 5150 Wire Wire Line - 3450 2550 2200 2550 + 4200 5750 2950 5750 $Comp L Device:C C? U 1 1 606345AE -P 6350 2600 -F 0 "C?" V 6098 2600 50 0000 C CNN -F 1 "100nF" V 6189 2600 50 0000 C CNN -F 2 "" H 6388 2450 50 0001 C CNN -F 3 "~" H 6350 2600 50 0001 C CNN - 1 6350 2600 +P 7100 5800 +F 0 "C?" V 6848 5800 50 0000 C CNN +F 1 "100nF" V 6939 5800 50 0000 C CNN +F 2 "" H 7138 5650 50 0001 C CNN +F 3 "~" H 7100 5800 50 0001 C CNN + 1 7100 5800 0 -1 -1 0 $EndComp $Comp L Device:C C? U 1 1 606345B4 -P 6350 2400 -F 0 "C?" V 6098 2400 50 0000 C CNN -F 1 "56pF" V 6189 2400 50 0000 C CNN -F 2 "" H 6388 2250 50 0001 C CNN -F 3 "~" H 6350 2400 50 0001 C CNN - 1 6350 2400 +P 7100 5600 +F 0 "C?" V 6848 5600 50 0000 C CNN +F 1 "56pF" V 6939 5600 50 0000 C CNN +F 2 "" H 7138 5450 50 0001 C CNN +F 3 "~" H 7100 5600 50 0001 C CNN + 1 7100 5600 0 -1 -1 0 $EndComp Wire Wire Line - 6200 2600 6200 2500 + 6950 5800 6950 5700 $Comp L power:GND #PWR? U 1 1 606345BB -P 6100 2500 -F 0 "#PWR?" H 6100 2250 50 0001 C CNN -F 1 "GND" H 6105 2327 50 0000 C CNN -F 2 "" H 6100 2500 50 0001 C CNN -F 3 "" H 6100 2500 50 0001 C CNN - 1 6100 2500 +P 6850 5700 +F 0 "#PWR?" H 6850 5450 50 0001 C CNN +F 1 "GND" H 6855 5527 50 0000 C CNN +F 2 "" H 6850 5700 50 0001 C CNN +F 3 "" H 6850 5700 50 0001 C CNN + 1 6850 5700 -1 0 0 1 $EndComp Wire Wire Line - 6100 2500 6200 2500 -Connection ~ 6200 2500 + 6850 5700 6950 5700 +Connection ~ 6950 5700 Wire Wire Line - 6200 2500 6200 2400 + 6950 5700 6950 5600 Wire Wire Line - 6500 2400 6500 2500 + 7250 5600 7250 5700 Wire Wire Line - 6500 2500 6750 2500 -Connection ~ 6500 2500 + 7250 5700 7500 5700 +Connection ~ 7250 5700 Wire Wire Line - 6500 2500 6500 2600 -Text Notes 6600 2250 2 50 ~ 0 + 7250 5700 7250 5800 +Text Notes 7350 5450 2 50 ~ 0 Smoothing caps $Comp L Device:C C? U 1 1 60649CA8 -P 6500 4150 -F 0 "C?" V 6248 4150 50 0000 C CNN -F 1 "100nF" V 6339 4150 50 0000 C CNN -F 2 "" H 6538 4000 50 0001 C CNN -F 3 "~" H 6500 4150 50 0001 C CNN - 1 6500 4150 +P 7250 7350 +F 0 "C?" V 6998 7350 50 0000 C CNN +F 1 "100nF" V 7089 7350 50 0000 C CNN +F 2 "" H 7288 7200 50 0001 C CNN +F 3 "~" H 7250 7350 50 0001 C CNN + 1 7250 7350 0 -1 -1 0 $EndComp $Comp L Device:C C? U 1 1 60649CAE -P 6500 3950 -F 0 "C?" V 6248 3950 50 0000 C CNN -F 1 "56pF" V 6339 3950 50 0000 C CNN -F 2 "" H 6538 3800 50 0001 C CNN -F 3 "~" H 6500 3950 50 0001 C CNN - 1 6500 3950 +P 7250 7150 +F 0 "C?" V 6998 7150 50 0000 C CNN +F 1 "56pF" V 7089 7150 50 0000 C CNN +F 2 "" H 7288 7000 50 0001 C CNN +F 3 "~" H 7250 7150 50 0001 C CNN + 1 7250 7150 0 -1 -1 0 $EndComp Wire Wire Line - 6350 4150 6350 4050 + 7100 7350 7100 7250 $Comp L power:GND #PWR? U 1 1 60649CB5 -P 6250 4050 -F 0 "#PWR?" H 6250 3800 50 0001 C CNN -F 1 "GND" H 6255 3877 50 0000 C CNN -F 2 "" H 6250 4050 50 0001 C CNN -F 3 "" H 6250 4050 50 0001 C CNN - 1 6250 4050 +P 7000 7250 +F 0 "#PWR?" H 7000 7000 50 0001 C CNN +F 1 "GND" H 7005 7077 50 0000 C CNN +F 2 "" H 7000 7250 50 0001 C CNN +F 3 "" H 7000 7250 50 0001 C CNN + 1 7000 7250 -1 0 0 1 $EndComp Wire Wire Line - 6250 4050 6350 4050 -Connection ~ 6350 4050 + 7000 7250 7100 7250 +Connection ~ 7100 7250 Wire Wire Line - 6350 4050 6350 3950 -Text Notes 6750 3800 2 50 ~ 0 -Smoothing caps + 7100 7250 7100 7150 Wire Wire Line - 6650 3950 6650 4050 + 7400 7150 7400 7250 Wire Wire Line - 6650 4050 6750 4050 -Connection ~ 6650 4050 + 7400 7250 7500 7250 +Connection ~ 7400 7250 Wire Wire Line - 6650 4050 6650 4150 -Connection ~ 6750 4050 + 7400 7250 7400 7350 +Connection ~ 7500 7250 $Comp L Device:R R? U 1 1 60661B57 -P 1750 2850 -F 0 "R?" V 1543 2850 50 0000 C CNN -F 1 "10k" V 1634 2850 50 0000 C CNN -F 2 "" V 1680 2850 50 0001 C CNN -F 3 "~" H 1750 2850 50 0001 C CNN - 1 1750 2850 +P 2500 6050 +F 0 "R?" V 2293 6050 50 0000 C CNN +F 1 "10k" V 2384 6050 50 0000 C CNN +F 2 "" V 2430 6050 50 0001 C CNN +F 3 "~" H 2500 6050 50 0001 C CNN + 1 2500 6050 0 1 1 0 $EndComp $Comp L Device:R R? U 1 1 60662809 -P 1450 2950 -F 0 "R?" V 1243 2950 50 0000 C CNN -F 1 "10k" V 1334 2950 50 0000 C CNN -F 2 "" V 1380 2950 50 0001 C CNN -F 3 "~" H 1450 2950 50 0001 C CNN - 1 1450 2950 +P 2200 6150 +F 0 "R?" V 1993 6150 50 0000 C CNN +F 1 "10k" V 2084 6150 50 0000 C CNN +F 2 "" V 2130 6150 50 0001 C CNN +F 3 "~" H 2200 6150 50 0001 C CNN + 1 2200 6150 0 1 1 0 $EndComp $Comp L power:VCC #PWR? U 1 1 60663175 -P 1300 2600 -F 0 "#PWR?" H 1300 2450 50 0001 C CNN -F 1 "VCC" H 1317 2773 50 0000 C CNN -F 2 "" H 1300 2600 50 0001 C CNN -F 3 "" H 1300 2600 50 0001 C CNN - 1 1300 2600 +P 2050 5800 +F 0 "#PWR?" H 2050 5650 50 0001 C CNN +F 1 "VCC" H 2067 5973 50 0000 C CNN +F 2 "" H 2050 5800 50 0001 C CNN +F 3 "" H 2050 5800 50 0001 C CNN + 1 2050 5800 1 0 0 -1 $EndComp Wire Wire Line - 1300 2600 1300 2850 + 2050 5800 2050 6050 Wire Wire Line - 1600 2850 1300 2850 -Connection ~ 1300 2850 + 2350 6050 2050 6050 +Connection ~ 2050 6050 Wire Wire Line - 1300 2850 1300 2950 + 2050 6050 2050 6150 Wire Wire Line - 1900 2850 3450 2850 + 2650 6050 4200 6050 Wire Wire Line - 1600 2950 2300 2950 + 2350 6150 3050 6150 $Comp L Switch:SW_Push SW? U 1 1 6067F418 -P 850 3050 -F 0 "SW?" H 850 3335 50 0000 C CNN -F 1 "Break" H 850 3244 50 0000 C CNN -F 2 "" H 850 3250 50 0001 C CNN -F 3 "" H 850 3250 50 0001 C CNN - 1 850 3050 +P 1600 6250 +F 0 "SW?" H 1600 6535 50 0000 C CNN +F 1 "Break" H 1600 6444 50 0000 C CNN +F 2 "" H 1600 6450 50 0001 C CNN +F 3 "" H 1600 6450 50 0001 C CNN + 1 1600 6250 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 60681E2A -P 550 3050 -F 0 "#PWR?" H 550 2800 50 0001 C CNN -F 1 "GND" H 555 2877 50 0000 C CNN -F 2 "" H 550 3050 50 0001 C CNN -F 3 "" H 550 3050 50 0001 C CNN - 1 550 3050 +P 1300 6250 +F 0 "#PWR?" H 1300 6000 50 0001 C CNN +F 1 "GND" H 1305 6077 50 0000 C CNN +F 2 "" H 1300 6250 50 0001 C CNN +F 3 "" H 1300 6250 50 0001 C CNN + 1 1300 6250 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 6068233C -P 850 2600 -F 0 "C?" V 598 2600 50 0000 C CNN -F 1 "10uF" V 689 2600 50 0000 C CNN -F 2 "" H 888 2450 50 0001 C CNN -F 3 "~" H 850 2600 50 0001 C CNN - 1 850 2600 +P 1600 5800 +F 0 "C?" V 1348 5800 50 0000 C CNN +F 1 "10uF" V 1439 5800 50 0000 C CNN +F 2 "" H 1638 5650 50 0001 C CNN +F 3 "~" H 1600 5800 50 0001 C CNN + 1 1600 5800 0 1 1 0 $EndComp Wire Wire Line - 700 2600 650 2600 + 1450 5800 1400 5800 Wire Wire Line - 650 2600 650 3050 + 1400 5800 1400 6250 Wire Wire Line - 550 3050 650 3050 -Connection ~ 650 3050 + 1300 6250 1400 6250 +Connection ~ 1400 6250 Wire Wire Line - 1000 2600 1050 2600 + 1750 5800 1800 5800 Wire Wire Line - 1050 2600 1050 3050 + 1800 5800 1800 6250 Wire Wire Line - 1050 3050 2300 3050 + 1800 6250 3050 6250 Wire Wire Line - 2300 3050 2300 2950 -Connection ~ 1050 3050 -Connection ~ 2300 2950 + 3050 6250 3050 6150 +Connection ~ 1800 6250 +Connection ~ 3050 6150 Wire Wire Line - 2300 2950 3450 2950 -Text Notes 500 3500 0 50 ~ 0 + 3050 6150 4200 6150 +Text Notes 1250 6700 0 50 ~ 0 "Break" button $Comp L Connector:Conn_01x01_Male J? U 1 1 606A5B44 -P 3350 700 -F 0 "J?" V 3412 744 50 0000 L CNN -F 1 "panel_btn_rst" V 3503 744 50 0000 L CNN -F 2 "" H 3350 700 50 0001 C CNN -F 3 "~" H 3350 700 50 0001 C CNN - 1 3350 700 +P 4100 3900 +F 0 "J?" V 4162 3944 50 0000 L CNN +F 1 "panel_btn_rst" V 4253 3944 50 0000 L CNN +F 2 "" H 4100 3900 50 0001 C CNN +F 3 "~" H 4100 3900 50 0001 C CNN + 1 4100 3900 0 1 1 0 $EndComp Wire Wire Line - 3350 900 3350 1150 + 4100 4100 4100 4350 $Comp L Connector:Conn_01x01_Male J? U 1 1 606C1179 -P 1050 3350 -F 0 "J?" V 1204 3262 50 0000 R CNN -F 1 "panel_btn_brk" V 1113 3262 50 0000 R CNN -F 2 "" H 1050 3350 50 0001 C CNN -F 3 "~" H 1050 3350 50 0001 C CNN - 1 1050 3350 +P 1800 6550 +F 0 "J?" V 1954 6462 50 0000 R CNN +F 1 "panel_btn_brk" V 1863 6462 50 0000 R CNN +F 2 "" H 1800 6550 50 0001 C CNN +F 3 "~" H 1800 6550 50 0001 C CNN + 1 1800 6550 0 -1 -1 0 $EndComp Wire Wire Line - 1050 3150 1050 3050 + 1800 6350 1800 6250 $Comp L Device:LED D? U 1 1 606D4ECC -P 2300 3550 -F 0 "D?" H 2293 3295 50 0000 C CNN -F 1 "LED" H 2293 3386 50 0000 C CNN -F 2 "" H 2300 3550 50 0001 C CNN -F 3 "~" H 2300 3550 50 0001 C CNN - 1 2300 3550 +P 3050 6750 +F 0 "D?" H 3043 6495 50 0000 C CNN +F 1 "LED" H 3043 6586 50 0000 C CNN +F 2 "" H 3050 6750 50 0001 C CNN +F 3 "~" H 3050 6750 50 0001 C CNN + 1 3050 6750 -1 0 0 1 $EndComp Wire Wire Line - 2450 3550 2600 3550 + 3200 6750 3350 6750 $Comp L Device:R R? U 1 1 606E9AF9 -P 2000 3550 -F 0 "R?" V 1793 3550 50 0000 C CNN -F 1 "470" V 1884 3550 50 0000 C CNN -F 2 "" V 1930 3550 50 0001 C CNN -F 3 "~" H 2000 3550 50 0001 C CNN - 1 2000 3550 +P 2750 6750 +F 0 "R?" V 2543 6750 50 0000 C CNN +F 1 "470" V 2634 6750 50 0000 C CNN +F 2 "" V 2680 6750 50 0001 C CNN +F 3 "~" H 2750 6750 50 0001 C CNN + 1 2750 6750 0 1 1 0 $EndComp $Comp L power:VCC #PWR? U 1 1 606EA531 -P 1750 3550 -F 0 "#PWR?" H 1750 3400 50 0001 C CNN -F 1 "VCC" H 1767 3723 50 0000 C CNN -F 2 "" H 1750 3550 50 0001 C CNN -F 3 "" H 1750 3550 50 0001 C CNN - 1 1750 3550 +P 2500 6750 +F 0 "#PWR?" H 2500 6600 50 0001 C CNN +F 1 "VCC" H 2517 6923 50 0000 C CNN +F 2 "" H 2500 6750 50 0001 C CNN +F 3 "" H 2500 6750 50 0001 C CNN + 1 2500 6750 1 0 0 -1 $EndComp Wire Wire Line - 1750 3550 1850 3550 + 2500 6750 2600 6750 $Comp L Connector:Conn_01x01_Male J? U 1 1 60701566 -P 2600 3150 -F 0 "J?" V 2662 3194 50 0000 L CNN -F 1 "panel_led_halt" V 2753 3194 50 0000 L CNN -F 2 "" H 2600 3150 50 0001 C CNN -F 3 "~" H 2600 3150 50 0001 C CNN - 1 2600 3150 +P 3350 6350 +F 0 "J?" V 3412 6394 50 0000 L CNN +F 1 "panel_led_halt" V 3503 6394 50 0000 L CNN +F 2 "" H 3350 6350 50 0001 C CNN +F 3 "~" H 3350 6350 50 0001 C CNN + 1 3350 6350 0 1 1 0 $EndComp Wire Wire Line - 2600 3350 2600 3550 -Connection ~ 2600 3550 + 3350 6550 3350 6750 +Connection ~ 3350 6750 Wire Wire Line - 2600 3550 3450 3550 -NoConn ~ 3450 3350 -NoConn ~ 3450 3250 -NoConn ~ 3450 4150 -NoConn ~ 3450 4650 + 3350 6750 4200 6750 +NoConn ~ 4200 6550 +NoConn ~ 4200 6450 +NoConn ~ 4200 7350 +NoConn ~ 4200 7850 Wire Bus Line - 7050 1900 9600 1900 + 6000 7050 6550 7050 Wire Bus Line - 7050 3450 9600 3450 + 6550 7050 6550 6300 Wire Bus Line - 5250 4050 5250 5150 + 6550 7850 6550 7050 +Connection ~ 6550 7050 +Connection ~ 7500 5700 +Entry Wire Line + 7200 3650 7100 3550 +Entry Wire Line + 7200 3550 7100 3450 +Entry Wire Line + 7200 3450 7100 3350 +Entry Wire Line + 7200 3350 7100 3250 +Entry Wire Line + 7200 3250 7100 3150 +Entry Wire Line + 7200 3150 7100 3050 +Entry Wire Line + 7200 3050 7100 2950 +Entry Wire Line + 7200 2950 7100 2850 +Entry Wire Line + 7200 2850 7100 2750 +Entry Wire Line + 7200 2750 7100 2650 +Entry Wire Line + 7200 2650 7100 2550 +Entry Wire Line + 7200 2550 7100 2450 +Entry Wire Line + 7200 2450 7100 2350 +Entry Wire Line + 7200 2350 7100 2250 +Entry Wire Line + 7200 2250 7100 2150 +Wire Wire Line + 7500 3750 7200 3750 +Wire Wire Line + 7500 3650 7200 3650 +Wire Wire Line + 7500 3550 7200 3550 +Wire Wire Line + 7500 3450 7200 3450 +Wire Wire Line + 7500 3350 7200 3350 +Wire Wire Line + 7500 2950 7200 2950 +Wire Wire Line + 7500 2850 7200 2850 +Wire Wire Line + 7500 2750 7200 2750 +Wire Wire Line + 7500 2650 7200 2650 +Wire Wire Line + 7500 2550 7200 2550 +Wire Wire Line + 7500 2450 7200 2450 +Wire Wire Line + 7500 2350 7200 2350 +Text Label 7400 3750 2 50 ~ 0 +A0 +Text Label 7400 3650 2 50 ~ 0 +A1 +Text Label 7400 3550 2 50 ~ 0 +A2 +Text Label 7400 3450 2 50 ~ 0 +A3 +Text Label 7400 3350 2 50 ~ 0 +A4 +Text Label 7400 3250 2 50 ~ 0 +A5 +Text Label 7400 3150 2 50 ~ 0 +A6 +Text Label 7400 3050 2 50 ~ 0 +A7 +Text Label 7400 2950 2 50 ~ 0 +A8 +Text Label 7400 2850 2 50 ~ 0 +A9 +Text Label 7400 2750 2 50 ~ 0 +A10 +Text Label 7400 2650 2 50 ~ 0 +A11 +Text Label 7400 2550 2 50 ~ 0 +A12 +Text Label 7400 2450 2 50 ~ 0 +A13 +Text Label 7400 2350 2 50 ~ 0 +A14 +Text Label 7400 2250 2 50 ~ 0 +A15 +Entry Wire Line + 7200 3750 7100 3650 +Connection ~ 6550 6300 Wire Bus Line - 5250 2350 5250 3850 + 7100 2150 6550 2150 Wire Bus Line - 6100 3100 8250 3100 + 6550 6300 6550 2150 +Text HLabel 4200 7450 0 50 Output ~ 0 +IORQ +Text Notes 9300 2350 0 50 ~ 0 +Memory decoding logic +Text HLabel 8850 1950 0 50 Input ~ 0 +IORQ +$Comp +L 74xx:74HC04 U11 +U 2 1 60689B1C +P 9150 2000 +F 0 "U11" H 9150 2317 50 0000 C CNN +F 1 "74LS32" H 9150 2226 50 0000 C CNN +F 2 "" H 9150 2000 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 9150 2000 50 0001 C CNN + 2 9150 2000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8850 1000 8850 1200 +Wire Wire Line + 7200 2250 8500 2250 +$Comp +L 74xx:74HC04 U11 +U 1 1 6054CE0E +P 9150 1000 +F 0 "U11" H 9150 1317 50 0000 C CNN +F 1 "74HC04" H 9150 1226 50 0000 C CNN +F 2 "" H 9150 1000 50 0001 C CNN +F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT04.pdf" H 9150 1000 50 0001 C CNN + 1 9150 1000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8500 2250 8500 1200 +Wire Wire Line + 8500 1200 8850 1200 +Connection ~ 8850 1200 +Wire Wire Line + 8850 1200 8850 1400 +$Comp +L 74xx:74LS32 U10 +U 1 1 60716E05 +P 10800 1900 +F 0 "U10" H 10800 1583 50 0000 C CNN +F 1 "74LS32" H 10800 1674 50 0000 C CNN +F 2 "" H 10800 1900 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 10800 1900 50 0001 C CNN + 1 10800 1900 + 1 0 0 1 +$EndComp +Wire Wire Line + 9450 1000 10250 1000 +Wire Wire Line + 10250 1000 10250 1800 +Wire Wire Line + 10250 1800 10500 1800 +Wire Wire Line + 9450 2000 9850 2000 +$Comp +L 74xx:74LS32 U10 +U 2 1 606614CA +P 9150 1500 +F 0 "U10" H 9150 1183 50 0000 C CNN +F 1 "74LS32" H 9150 1274 50 0000 C CNN +F 2 "" H 9150 1500 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 9150 1500 50 0001 C CNN + 2 9150 1500 + 1 0 0 1 +$EndComp +Wire Wire Line + 8850 1600 8850 1800 +Wire Wire Line + 8850 1800 9850 1800 +Wire Wire Line + 9850 1800 9850 2000 +Connection ~ 9850 2000 +Wire Wire Line + 9850 2000 10500 2000 +Text HLabel 11100 1900 2 50 Output ~ 0 +RAMEN +Text HLabel 9450 1500 2 50 Output ~ 0 +ROMEN +Text HLabel 9500 7850 3 50 Input ~ 0 +RAMEN +Wire Wire Line + 9500 7650 9500 7850 +Text HLabel 9500 6300 3 50 Input ~ 0 +ROMEN +Wire Wire Line + 9500 6100 9500 6300 +Text HLabel 4200 7150 0 50 Output ~ 0 +RD +Text HLabel 4200 7250 0 50 Output ~ 0 +WR +Text HLabel 9400 6300 3 50 Input ~ 0 +RD +Text HLabel 9300 6300 3 50 Input ~ 0 +WR +Wire Wire Line + 9300 6300 9300 6100 +Wire Wire Line + 9400 6300 9400 6100 +Text HLabel 9400 7850 3 50 Input ~ 0 +RD +Text HLabel 9300 7850 3 50 Input ~ 0 +WR +Wire Wire Line + 9300 7850 9300 7650 +Wire Wire Line + 9400 7850 9400 7650 +Text Notes 10750 4800 0 50 ~ 0 +I/O Decoding logic +Text Notes 8500 8600 0 50 ~ 0 +Memory +$Comp +L 74xx:74LS138 U? +U 1 1 60832D85 +P 12450 2800 +F 0 "U?" H 12450 3581 50 0000 C CNN +F 1 "74LS138" H 12450 3490 50 0000 C CNN +F 2 "" H 12450 2800 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 12450 2800 50 0001 C CNN + 1 12450 2800 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR? +U 1 1 608389FF +P 12450 3500 +F 0 "#PWR?" H 12450 3250 50 0001 C CNN +F 1 "GND" H 12455 3327 50 0000 C CNN +F 2 "" H 12450 3500 50 0001 C CNN +F 3 "" H 12450 3500 50 0001 C CNN + 1 12450 3500 + 1 0 0 -1 +$EndComp +$Comp +L power:VCC #PWR? +U 1 1 6084DC47 +P 12450 1700 +F 0 "#PWR?" H 12450 1550 50 0001 C CNN +F 1 "VCC" H 12467 1873 50 0000 C CNN +F 2 "" H 12450 1700 50 0001 C CNN +F 3 "" H 12450 1700 50 0001 C CNN + 1 12450 1700 + 1 0 0 -1 +$EndComp +$Comp +L Device:C C? +U 1 1 6084DC4D +P 12850 1700 +F 0 "C?" V 12598 1700 50 0000 C CNN +F 1 "100nF" V 12689 1700 50 0000 C CNN +F 2 "" H 12888 1550 50 0001 C CNN +F 3 "~" H 12850 1700 50 0001 C CNN + 1 12850 1700 + 0 1 1 0 +$EndComp +$Comp +L Device:C C? +U 1 1 6084DC53 +P 12850 1900 +F 0 "C?" V 12598 1900 50 0000 C CNN +F 1 "56pF" V 12689 1900 50 0000 C CNN +F 2 "" H 12888 1750 50 0001 C CNN +F 3 "~" H 12850 1900 50 0001 C CNN + 1 12850 1900 + 0 1 1 0 +$EndComp +Wire Wire Line + 13000 1700 13000 1800 +$Comp +L power:GND #PWR? +U 1 1 6084DC5A +P 13100 1800 +F 0 "#PWR?" H 13100 1550 50 0001 C CNN +F 1 "GND" H 13105 1627 50 0000 C CNN +F 2 "" H 13100 1800 50 0001 C CNN +F 3 "" H 13100 1800 50 0001 C CNN + 1 13100 1800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 13100 1800 13000 1800 +Connection ~ 13000 1800 +Wire Wire Line + 13000 1800 13000 1900 +Wire Wire Line + 12450 1700 12450 1800 +Wire Wire Line + 12700 1900 12700 1800 +Wire Wire Line + 12700 1800 12450 1800 +Connection ~ 12700 1800 +Wire Wire Line + 12700 1800 12700 1700 +Connection ~ 12450 1800 +Wire Wire Line + 12450 1800 12450 2200 +Text Notes 12600 2100 0 50 ~ 0 +Smoothing caps +Wire Wire Line + 11950 2500 8000 2500 +Wire Wire Line + 8000 2500 8000 3250 +Wire Wire Line + 7200 3250 8000 3250 +Wire Wire Line + 11950 2600 8150 2600 +Wire Wire Line + 8150 2600 8150 3150 +Wire Wire Line + 7200 3150 8150 3150 +Wire Wire Line + 11950 2700 8300 2700 +Wire Wire Line + 8300 2700 8300 3050 +Wire Wire Line + 7200 3050 8300 3050 +Wire Wire Line + 11950 3200 11950 3150 +Text HLabel 11650 3150 0 50 Input ~ 0 +IORQ +Wire Wire Line + 11650 3150 11950 3150 +Connection ~ 11950 3150 +Wire Wire Line + 11950 3150 11950 3100 +$Comp +L power:VCC #PWR? +U 1 1 608D60DB +P 11650 3000 +F 0 "#PWR?" H 11650 2850 50 0001 C CNN +F 1 "VCC" H 11667 3173 50 0000 C CNN +F 2 "" H 11650 3000 50 0001 C CNN +F 3 "" H 11650 3000 50 0001 C CNN + 1 11650 3000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 11650 3000 11950 3000 +Wire Wire Line + 12950 2500 14050 2500 +Entry Wire Line + 14050 2500 14150 2600 +Wire Wire Line + 12950 2600 14050 2600 +Entry Wire Line + 14050 2600 14150 2700 +Wire Wire Line + 12950 2700 14050 2700 +Entry Wire Line + 14050 2700 14150 2800 +Wire Wire Line + 12950 2800 14050 2800 +Entry Wire Line + 14050 2800 14150 2900 +Wire Wire Line + 12950 2900 14050 2900 +Entry Wire Line + 14050 2900 14150 3000 +Wire Wire Line + 12950 3000 14050 3000 +Entry Wire Line + 14050 3000 14150 3100 +Wire Wire Line + 12950 3100 14050 3100 +Entry Wire Line + 14050 3100 14150 3200 +Wire Wire Line + 12950 3200 14050 3200 +Entry Wire Line + 14050 3200 14150 3300 +Text GLabel 14150 4650 3 50 BiDi ~ 0 +IOBUS +Text Label 12950 2500 0 50 ~ 0 +IOEN0 +Text Label 12950 2600 0 50 ~ 0 +IOEN1 +Text Label 12950 2700 0 50 ~ 0 +IOEN2 +Text Label 12950 2800 0 50 ~ 0 +IOEN3 +Text Label 12950 2900 0 50 ~ 0 +IOEN4 +Text Label 12950 3000 0 50 ~ 0 +IOEN5 +Text Label 12950 3100 0 50 ~ 0 +IOEN6 +Text Label 12950 3200 0 50 ~ 0 +IOEN7 Wire Bus Line - 6100 4650 8250 4650 + 7800 5100 10350 5100 +Wire Bus Line + 7800 6650 10350 6650 +Wire Bus Line + 6000 7250 6000 8350 +Wire Bus Line + 14150 2600 14150 4650 +Wire Bus Line + 6000 5550 6000 7050 +Wire Bus Line + 6550 6300 9000 6300 +Wire Bus Line + 6550 7850 9000 7850 +Wire Bus Line + 7100 2150 7100 3650 $EndSCHEMATC diff --git a/pat80-computer/hardware/schematics/pat80/pat80.sch-bak b/pat80-computer/hardware/schematics/pat80/pat80.sch-bak index 3b91339..3ed5d92 100644 --- a/pat80-computer/hardware/schematics/pat80/pat80.sch-bak +++ b/pat80-computer/hardware/schematics/pat80/pat80.sch-bak @@ -20,1125 +20,1516 @@ Text Notes 13000 11050 0 50 ~ 0 $Comp L Memory_EEPROM:28C256 U3 U 1 1 604F6B81 -P 7850 2500 -F 0 "U3" V 7896 1356 50 0000 R CNN -F 1 "256k (32k x 8) EEPROM" V 7805 1356 50 0000 R CNN -F 2 "" H 7850 2500 50 0001 C CNN -F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 7850 2500 50 0001 C CNN - 1 7850 2500 +P 8600 5700 +F 0 "U3" V 8646 4556 50 0000 R CNN +F 1 "256k (32k x 8) EEPROM" V 8555 4556 50 0000 R CNN +F 2 "" H 8600 5700 50 0001 C CNN +F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 8600 5700 50 0001 C CNN + 1 8600 5700 0 -1 -1 0 $EndComp Entry Wire Line - 5150 2350 5250 2450 + 5900 5550 6000 5650 Entry Wire Line - 5150 2450 5250 2550 + 5900 5650 6000 5750 Entry Wire Line - 5150 2550 5250 2650 + 5900 5750 6000 5850 Entry Wire Line - 5150 2650 5250 2750 + 5900 5850 6000 5950 Entry Wire Line - 5150 2750 5250 2850 + 5900 5950 6000 6050 Entry Wire Line - 5150 2850 5250 2950 + 5900 6050 6000 6150 Entry Wire Line - 5150 2950 5250 3050 + 5900 6150 6000 6250 Entry Wire Line - 5150 3050 5250 3150 + 5900 6250 6000 6350 Entry Wire Line - 5150 3150 5250 3250 + 5900 6350 6000 6450 Entry Wire Line - 5150 3250 5250 3350 + 5900 6450 6000 6550 Entry Wire Line - 5150 3350 5250 3450 + 5900 6550 6000 6650 Entry Wire Line - 5150 3450 5250 3550 + 5900 6650 6000 6750 Entry Wire Line - 5150 3550 5250 3650 + 5900 6750 6000 6850 Entry Wire Line - 5150 3650 5250 3750 + 5900 6850 6000 6950 Entry Wire Line - 5150 3750 5250 3850 -Wire Bus Line - 5250 3850 6100 3850 + 5900 6950 6000 7050 Wire Wire Line - 4850 2250 5150 2250 + 5600 5450 5900 5450 Wire Wire Line - 4850 2350 5150 2350 + 5600 5550 5900 5550 Wire Wire Line - 4850 2450 5150 2450 + 5600 5650 5900 5650 Wire Wire Line - 4850 2550 5150 2550 + 5600 5750 5900 5750 Wire Wire Line - 4850 2650 5150 2650 + 5600 5850 5900 5850 Wire Wire Line - 4850 2750 5150 2750 + 5600 5950 5900 5950 Wire Wire Line - 4850 2850 5150 2850 + 5600 6050 5900 6050 Wire Wire Line - 4850 2950 5150 2950 + 5600 6150 5900 6150 Wire Wire Line - 4850 3050 5150 3050 + 5600 6250 5900 6250 Wire Wire Line - 4850 3150 5150 3150 + 5600 6350 5900 6350 Wire Wire Line - 4850 3250 5150 3250 + 5600 6450 5900 6450 Wire Wire Line - 4850 3350 5150 3350 + 5600 6550 5900 6550 Wire Wire Line - 4850 3450 5150 3450 + 5600 6650 5900 6650 Wire Wire Line - 4850 3550 5150 3550 + 5600 6750 5900 6750 Wire Wire Line - 4850 3650 5150 3650 + 5600 6850 5900 6850 Wire Wire Line - 4850 3750 5150 3750 + 5600 6950 5900 6950 Entry Wire Line - 6950 3000 6850 3100 + 7700 6200 7600 6300 Entry Wire Line - 7050 3000 6950 3100 + 7800 6200 7700 6300 Entry Wire Line - 7150 3000 7050 3100 + 7900 6200 7800 6300 Entry Wire Line - 7250 3000 7150 3100 + 8000 6200 7900 6300 Entry Wire Line - 7350 3000 7250 3100 + 8100 6200 8000 6300 Entry Wire Line - 7450 3000 7350 3100 + 8200 6200 8100 6300 Entry Wire Line - 7550 3000 7450 3100 + 8300 6200 8200 6300 Entry Wire Line - 7650 3000 7550 3100 + 8400 6200 8300 6300 Entry Wire Line - 7750 3000 7650 3100 + 8500 6200 8400 6300 Entry Wire Line - 7850 3000 7750 3100 + 8600 6200 8500 6300 Entry Wire Line - 7950 3000 7850 3100 + 8700 6200 8600 6300 Entry Wire Line - 8050 3000 7950 3100 + 8800 6200 8700 6300 Entry Wire Line - 8150 3000 8050 3100 + 8900 6200 8800 6300 Entry Wire Line - 8250 3000 8150 3100 + 9000 6200 8900 6300 Entry Wire Line - 8350 3000 8250 3100 + 9100 6200 9000 6300 Wire Wire Line - 6950 2900 6950 3000 + 7700 6100 7700 6200 Wire Wire Line - 7050 2900 7050 3000 + 7800 6100 7800 6200 Wire Wire Line - 7150 2900 7150 3000 + 7900 6100 7900 6200 Wire Wire Line - 7250 2900 7250 3000 + 8000 6100 8000 6200 Wire Wire Line - 7350 2900 7350 3000 + 8100 6100 8100 6200 Wire Wire Line - 7450 2900 7450 3000 + 8200 6100 8200 6200 Wire Wire Line - 7550 2900 7550 3000 + 8300 6100 8300 6200 Wire Wire Line - 7650 2900 7650 3000 + 8400 6100 8400 6200 Wire Wire Line - 7750 2900 7750 3000 + 8500 6100 8500 6200 Wire Wire Line - 7850 2900 7850 3000 + 8600 6100 8600 6200 Wire Wire Line - 7950 2900 7950 3000 + 8700 6100 8700 6200 Wire Wire Line - 8050 2900 8050 3000 + 8800 6100 8800 6200 Wire Wire Line - 8150 2900 8150 3000 + 8900 6100 8900 6200 Wire Wire Line - 8250 2900 8250 3000 + 9000 6100 9000 6200 Wire Wire Line - 8350 2900 8350 3000 -Wire Bus Line - 6100 3850 6100 3100 -Text Label 4950 2250 0 50 ~ 0 + 9100 6100 9100 6200 +Text Label 5700 5450 0 50 ~ 0 A0 -Text Label 4950 2350 0 50 ~ 0 +Text Label 5700 5550 0 50 ~ 0 A1 -Text Label 4950 2450 0 50 ~ 0 +Text Label 5700 5650 0 50 ~ 0 A2 -Text Label 4950 2550 0 50 ~ 0 +Text Label 5700 5750 0 50 ~ 0 A3 -Text Label 4950 2650 0 50 ~ 0 +Text Label 5700 5850 0 50 ~ 0 A4 -Text Label 4950 2750 0 50 ~ 0 +Text Label 5700 5950 0 50 ~ 0 A5 -Text Label 4950 2850 0 50 ~ 0 +Text Label 5700 6050 0 50 ~ 0 A6 -Text Label 4950 2950 0 50 ~ 0 +Text Label 5700 6150 0 50 ~ 0 A7 -Text Label 4950 3050 0 50 ~ 0 +Text Label 5700 6250 0 50 ~ 0 A8 -Text Label 4950 3150 0 50 ~ 0 +Text Label 5700 6350 0 50 ~ 0 A9 -Text Label 4950 3250 0 50 ~ 0 +Text Label 5700 6450 0 50 ~ 0 A10 -Text Label 4950 3350 0 50 ~ 0 +Text Label 5700 6550 0 50 ~ 0 A11 -Text Label 4950 3450 0 50 ~ 0 +Text Label 5700 6650 0 50 ~ 0 A12 -Text Label 4950 3550 0 50 ~ 0 +Text Label 5700 6750 0 50 ~ 0 A13 -Text Label 4950 3650 0 50 ~ 0 +Text Label 5700 6850 0 50 ~ 0 A14 -Text Label 4950 3750 0 50 ~ 0 +Text Label 5700 6950 0 50 ~ 0 A15 -Text Label 6950 2950 3 50 ~ 0 +Text Label 7700 6150 3 50 ~ 0 A0 -Text Label 7050 2950 3 50 ~ 0 +Text Label 7800 6150 3 50 ~ 0 A1 -Text Label 7150 2950 3 50 ~ 0 +Text Label 7900 6150 3 50 ~ 0 A2 -Text Label 7250 2950 3 50 ~ 0 +Text Label 8000 6150 3 50 ~ 0 A3 -Text Label 7350 2950 3 50 ~ 0 +Text Label 8100 6150 3 50 ~ 0 A4 -Text Label 7450 2950 3 50 ~ 0 +Text Label 8200 6150 3 50 ~ 0 A5 -Text Label 7550 2950 3 50 ~ 0 +Text Label 8300 6150 3 50 ~ 0 A6 -Text Label 7650 2950 3 50 ~ 0 +Text Label 8400 6150 3 50 ~ 0 A7 -Text Label 7750 2950 3 50 ~ 0 +Text Label 8500 6150 3 50 ~ 0 A8 -Text Label 7850 2950 3 50 ~ 0 +Text Label 8600 6150 3 50 ~ 0 A9 -Text Label 7950 2950 3 50 ~ 0 +Text Label 8700 6150 3 50 ~ 0 A10 -Text Label 8050 2950 3 50 ~ 0 +Text Label 8800 6150 3 50 ~ 0 A11 -Text Label 8150 2950 3 50 ~ 0 +Text Label 8900 6150 3 50 ~ 0 A12 -Text Label 8250 2950 3 50 ~ 0 +Text Label 9000 6150 3 50 ~ 0 A13 -Text Label 8350 2950 3 50 ~ 0 +Text Label 9100 6150 3 50 ~ 0 A14 Entry Wire Line - 6950 4550 6850 4650 + 7700 7750 7600 7850 Entry Wire Line - 7050 4550 6950 4650 + 7800 7750 7700 7850 Entry Wire Line - 7150 4550 7050 4650 + 7900 7750 7800 7850 Entry Wire Line - 7250 4550 7150 4650 + 8000 7750 7900 7850 Entry Wire Line - 7350 4550 7250 4650 + 8100 7750 8000 7850 Entry Wire Line - 7450 4550 7350 4650 + 8200 7750 8100 7850 Entry Wire Line - 7550 4550 7450 4650 + 8300 7750 8200 7850 Entry Wire Line - 7650 4550 7550 4650 + 8400 7750 8300 7850 Entry Wire Line - 7750 4550 7650 4650 + 8500 7750 8400 7850 Entry Wire Line - 7850 4550 7750 4650 + 8600 7750 8500 7850 Entry Wire Line - 7950 4550 7850 4650 + 8700 7750 8600 7850 Entry Wire Line - 8050 4550 7950 4650 + 8800 7750 8700 7850 Entry Wire Line - 8150 4550 8050 4650 + 8900 7750 8800 7850 Entry Wire Line - 8250 4550 8150 4650 + 9000 7750 8900 7850 Entry Wire Line - 8350 4550 8250 4650 + 9100 7750 9000 7850 Wire Wire Line - 6950 4550 6950 4450 + 7700 7750 7700 7650 Wire Wire Line - 7050 4550 7050 4450 + 7800 7750 7800 7650 Wire Wire Line - 7150 4550 7150 4450 + 7900 7750 7900 7650 Wire Wire Line - 7250 4550 7250 4450 + 8000 7750 8000 7650 Wire Wire Line - 7350 4550 7350 4450 + 8100 7750 8100 7650 Wire Wire Line - 7450 4550 7450 4450 + 8200 7750 8200 7650 Wire Wire Line - 7550 4550 7550 4450 + 8300 7750 8300 7650 Wire Wire Line - 7650 4550 7650 4450 + 8400 7750 8400 7650 Wire Wire Line - 7750 4550 7750 4450 + 8500 7750 8500 7650 Wire Wire Line - 7850 4550 7850 4450 + 8600 7750 8600 7650 Wire Wire Line - 7950 4550 7950 4450 + 8700 7750 8700 7650 Wire Wire Line - 8050 4550 8050 4450 + 8800 7750 8800 7650 Wire Wire Line - 8150 4550 8150 4450 + 8900 7750 8900 7650 Wire Wire Line - 8250 4550 8250 4450 + 9000 7750 9000 7650 Wire Wire Line - 8350 4550 8350 4450 -Connection ~ 6100 3850 -Text Label 6950 4500 3 50 ~ 0 + 9100 7750 9100 7650 +Text Label 7700 7700 3 50 ~ 0 A0 -Text Label 7050 4500 3 50 ~ 0 +Text Label 7800 7700 3 50 ~ 0 A1 -Text Label 7150 4500 3 50 ~ 0 +Text Label 7900 7700 3 50 ~ 0 A2 -Text Label 7250 4500 3 50 ~ 0 +Text Label 8000 7700 3 50 ~ 0 A3 -Text Label 7350 4500 3 50 ~ 0 +Text Label 8100 7700 3 50 ~ 0 A4 -Text Label 7450 4500 3 50 ~ 0 +Text Label 8200 7700 3 50 ~ 0 A5 -Text Label 7550 4500 3 50 ~ 0 +Text Label 8300 7700 3 50 ~ 0 A6 -Text Label 7650 4500 3 50 ~ 0 +Text Label 8400 7700 3 50 ~ 0 A7 -Text Label 7750 4500 3 50 ~ 0 +Text Label 8500 7700 3 50 ~ 0 A8 -Text Label 7850 4500 3 50 ~ 0 +Text Label 8600 7700 3 50 ~ 0 A9 -Text Label 7950 4500 3 50 ~ 0 +Text Label 8700 7700 3 50 ~ 0 A10 -Text Label 8050 4500 3 50 ~ 0 +Text Label 8800 7700 3 50 ~ 0 A11 -Text Label 8150 4500 3 50 ~ 0 +Text Label 8900 7700 3 50 ~ 0 A12 -Text Label 8250 4500 3 50 ~ 0 +Text Label 9000 7700 3 50 ~ 0 A13 -Text Label 8350 4500 3 50 ~ 0 +Text Label 9100 7700 3 50 ~ 0 A14 Entry Wire Line - 5150 3950 5250 4050 + 5900 7150 6000 7250 Entry Wire Line - 5150 3950 5250 4050 + 5900 7150 6000 7250 Entry Wire Line - 5150 4050 5250 4150 + 5900 7250 6000 7350 Entry Wire Line - 5150 4150 5250 4250 + 5900 7350 6000 7450 Entry Wire Line - 5150 4250 5250 4350 + 5900 7450 6000 7550 Entry Wire Line - 5150 4350 5250 4450 + 5900 7550 6000 7650 Entry Wire Line - 5150 4450 5250 4550 + 5900 7650 6000 7750 Entry Wire Line - 5150 4550 5250 4650 + 5900 7750 6000 7850 Entry Wire Line - 5150 4650 5250 4750 + 5900 7850 6000 7950 Wire Wire Line - 4850 3950 5150 3950 + 5600 7150 5900 7150 Wire Wire Line - 4850 4050 5150 4050 + 5600 7250 5900 7250 Wire Wire Line - 4850 4150 5150 4150 + 5600 7350 5900 7350 Wire Wire Line - 4850 4250 5150 4250 + 5600 7450 5900 7450 Wire Wire Line - 4850 4350 5150 4350 + 5600 7550 5900 7550 Wire Wire Line - 4850 4450 5150 4450 + 5600 7650 5900 7650 Wire Wire Line - 4850 4550 5150 4550 + 5600 7750 5900 7750 Wire Wire Line - 4850 4650 5150 4650 + 5600 7850 5900 7850 Wire Bus Line - 5250 5150 9600 5150 + 6000 8350 10350 8350 Entry Wire Line - 6950 3550 7050 3450 + 7700 6750 7800 6650 Entry Wire Line - 7150 3450 7050 3550 + 7900 6650 7800 6750 Entry Wire Line - 7250 3450 7150 3550 + 8000 6650 7900 6750 Entry Wire Line - 7350 3450 7250 3550 + 8100 6650 8000 6750 Entry Wire Line - 7450 3450 7350 3550 + 8200 6650 8100 6750 Entry Wire Line - 7550 3450 7450 3550 + 8300 6650 8200 6750 Entry Wire Line - 7650 3450 7550 3550 + 8400 6650 8300 6750 Entry Wire Line - 7750 3450 7650 3550 + 8500 6650 8400 6750 Wire Wire Line - 6950 3650 6950 3550 + 7700 6850 7700 6750 Wire Wire Line - 7050 3650 7050 3550 + 7800 6850 7800 6750 Wire Wire Line - 7150 3650 7150 3550 + 7900 6850 7900 6750 Wire Wire Line - 7250 3650 7250 3550 + 8000 6850 8000 6750 Wire Wire Line - 7350 3650 7350 3550 + 8100 6850 8100 6750 Wire Wire Line - 7450 3650 7450 3550 + 8200 6850 8200 6750 Wire Wire Line - 7550 3650 7550 3550 + 8300 6850 8300 6750 Wire Wire Line - 7650 3650 7650 3550 + 8400 6850 8400 6750 Wire Bus Line - 9600 3450 9600 5150 + 10350 6650 10350 8350 Entry Wire Line - 7050 1900 6950 2000 + 7800 5100 7700 5200 Entry Wire Line - 7150 1900 7050 2000 + 7900 5100 7800 5200 Entry Wire Line - 7250 1900 7150 2000 + 8000 5100 7900 5200 Entry Wire Line - 7350 1900 7250 2000 + 8100 5100 8000 5200 Entry Wire Line - 7450 1900 7350 2000 + 8200 5100 8100 5200 Entry Wire Line - 7550 1900 7450 2000 + 8300 5100 8200 5200 Entry Wire Line - 7650 1900 7550 2000 + 8400 5100 8300 5200 Entry Wire Line - 7750 1900 7650 2000 + 8500 5100 8400 5200 Wire Wire Line - 6950 2100 6950 2000 + 7700 5300 7700 5200 Wire Wire Line - 7050 2100 7050 2000 + 7800 5300 7800 5200 Wire Wire Line - 7150 2100 7150 2000 + 7900 5300 7900 5200 Wire Wire Line - 7250 2100 7250 2000 + 8000 5300 8000 5200 Wire Wire Line - 7350 2100 7350 2000 + 8100 5300 8100 5200 Wire Wire Line - 7450 2100 7450 2000 + 8200 5300 8200 5200 Wire Wire Line - 7550 2100 7550 2000 + 8300 5300 8300 5200 Wire Wire Line - 7650 2100 7650 2000 + 8400 5300 8400 5200 Wire Bus Line - 9600 1900 9600 3450 -Connection ~ 9600 3450 -Text Label 6950 2000 3 50 ~ 0 + 10350 5100 10350 6650 +Connection ~ 10350 6650 +Text Label 7700 5200 3 50 ~ 0 D0 -Text Label 7050 2000 3 50 ~ 0 +Text Label 7800 5200 3 50 ~ 0 D1 -Text Label 7150 2000 3 50 ~ 0 +Text Label 7900 5200 3 50 ~ 0 D2 -Text Label 7250 2000 3 50 ~ 0 +Text Label 8000 5200 3 50 ~ 0 D3 -Text Label 7350 2000 3 50 ~ 0 +Text Label 8100 5200 3 50 ~ 0 D4 -Text Label 7450 2000 3 50 ~ 0 +Text Label 8200 5200 3 50 ~ 0 D5 -Text Label 7550 2000 3 50 ~ 0 +Text Label 8300 5200 3 50 ~ 0 D6 -Text Label 7650 2000 3 50 ~ 0 +Text Label 8400 5200 3 50 ~ 0 D7 -Text Label 6950 3550 3 50 ~ 0 +Text Label 7700 6750 3 50 ~ 0 D0 -Text Label 7050 3550 3 50 ~ 0 +Text Label 7800 6750 3 50 ~ 0 D1 -Text Label 7150 3550 3 50 ~ 0 +Text Label 7900 6750 3 50 ~ 0 D2 -Text Label 7250 3550 3 50 ~ 0 +Text Label 8000 6750 3 50 ~ 0 D3 -Text Label 7350 3550 3 50 ~ 0 +Text Label 8100 6750 3 50 ~ 0 D4 -Text Label 7450 3550 3 50 ~ 0 +Text Label 8200 6750 3 50 ~ 0 D5 -Text Label 7550 3550 3 50 ~ 0 +Text Label 8300 6750 3 50 ~ 0 D6 -Text Label 7650 3550 3 50 ~ 0 +Text Label 8400 6750 3 50 ~ 0 D7 -Text Label 4950 3950 0 50 ~ 0 +Text Label 5700 7150 0 50 ~ 0 D0 -Text Label 4950 4050 0 50 ~ 0 +Text Label 5700 7250 0 50 ~ 0 D1 -Text Label 4950 4150 0 50 ~ 0 +Text Label 5700 7350 0 50 ~ 0 D2 -Text Label 4950 4250 0 50 ~ 0 +Text Label 5700 7450 0 50 ~ 0 D3 -Text Label 4950 4350 0 50 ~ 0 +Text Label 5700 7550 0 50 ~ 0 D4 -Text Label 4950 4450 0 50 ~ 0 +Text Label 5700 7650 0 50 ~ 0 D5 -Text Label 4950 4550 0 50 ~ 0 +Text Label 5700 7750 0 50 ~ 0 D6 -Text Label 4950 4650 0 50 ~ 0 +Text Label 5700 7850 0 50 ~ 0 D7 Entry Wire Line - 5150 2250 5250 2350 + 5900 5450 6000 5550 $Comp L Memory_EEPROM:28C256 U4 U 1 1 604FD5C5 -P 7850 4050 -F 0 "U4" V 7896 2906 50 0000 R CNN -F 1 "256k (32k x 8) SRAM" V 7805 2906 50 0000 R CNN -F 2 "" H 7850 4050 50 0001 C CNN -F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 7850 4050 50 0001 C CNN - 1 7850 4050 +P 8600 7250 +F 0 "U4" V 8646 6106 50 0000 R CNN +F 1 "256k (32k x 8) SRAM" V 8555 6106 50 0000 R CNN +F 2 "" H 8600 7250 50 0001 C CNN +F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 8600 7250 50 0001 C CNN + 1 8600 7250 0 -1 -1 0 $EndComp -Wire Bus Line - 6100 4650 6100 3850 $Comp L power:GND #PWR? U 1 1 60507104 -P 8950 2500 -F 0 "#PWR?" H 8950 2250 50 0001 C CNN -F 1 "GND" H 8955 2327 50 0000 C CNN -F 2 "" H 8950 2500 50 0001 C CNN -F 3 "" H 8950 2500 50 0001 C CNN - 1 8950 2500 +P 9700 5700 +F 0 "#PWR?" H 9700 5450 50 0001 C CNN +F 1 "GND" H 9705 5527 50 0000 C CNN +F 2 "" H 9700 5700 50 0001 C CNN +F 3 "" H 9700 5700 50 0001 C CNN + 1 9700 5700 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 6050737A -P 8950 4050 -F 0 "#PWR?" H 8950 3800 50 0001 C CNN -F 1 "GND" H 8955 3877 50 0000 C CNN -F 2 "" H 8950 4050 50 0001 C CNN -F 3 "" H 8950 4050 50 0001 C CNN - 1 8950 4050 +P 9700 7250 +F 0 "#PWR?" H 9700 7000 50 0001 C CNN +F 1 "GND" H 9705 7077 50 0000 C CNN +F 2 "" H 9700 7250 50 0001 C CNN +F 3 "" H 9700 7250 50 0001 C CNN + 1 9700 7250 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 605076F8 -P 4150 4950 -F 0 "#PWR?" H 4150 4700 50 0001 C CNN -F 1 "GND" H 4155 4777 50 0000 C CNN -F 2 "" H 4150 4950 50 0001 C CNN -F 3 "" H 4150 4950 50 0001 C CNN - 1 4150 4950 +P 4900 8150 +F 0 "#PWR?" H 4900 7900 50 0001 C CNN +F 1 "GND" H 4905 7977 50 0000 C CNN +F 2 "" H 4900 8150 50 0001 C CNN +F 3 "" H 4900 8150 50 0001 C CNN + 1 4900 8150 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 60507B8E -P 4150 1450 -F 0 "#PWR?" H 4150 1300 50 0001 C CNN -F 1 "VCC" H 4167 1623 50 0000 C CNN -F 2 "" H 4150 1450 50 0001 C CNN -F 3 "" H 4150 1450 50 0001 C CNN - 1 4150 1450 +P 4900 4650 +F 0 "#PWR?" H 4900 4500 50 0001 C CNN +F 1 "VCC" H 4917 4823 50 0000 C CNN +F 2 "" H 4900 4650 50 0001 C CNN +F 3 "" H 4900 4650 50 0001 C CNN + 1 4900 4650 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 60507E3C -P 6750 2500 -F 0 "#PWR?" H 6750 2350 50 0001 C CNN -F 1 "VCC" H 6767 2673 50 0000 C CNN -F 2 "" H 6750 2500 50 0001 C CNN -F 3 "" H 6750 2500 50 0001 C CNN - 1 6750 2500 +P 7500 5700 +F 0 "#PWR?" H 7500 5550 50 0001 C CNN +F 1 "VCC" H 7517 5873 50 0000 C CNN +F 2 "" H 7500 5700 50 0001 C CNN +F 3 "" H 7500 5700 50 0001 C CNN + 1 7500 5700 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 605080EF -P 6750 4050 -F 0 "#PWR?" H 6750 3900 50 0001 C CNN -F 1 "VCC" H 6767 4223 50 0000 C CNN -F 2 "" H 6750 4050 50 0001 C CNN -F 3 "" H 6750 4050 50 0001 C CNN - 1 6750 4050 +P 7500 7250 +F 0 "#PWR?" H 7500 7100 50 0001 C CNN +F 1 "VCC" H 7517 7423 50 0000 C CNN +F 2 "" H 7500 7250 50 0001 C CNN +F 3 "" H 7500 7250 50 0001 C CNN + 1 7500 7250 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 60508CD5 -P 3300 4550 -F 0 "#PWR?" H 3300 4400 50 0001 C CNN -F 1 "VCC" H 3317 4723 50 0000 C CNN -F 2 "" H 3300 4550 50 0001 C CNN -F 3 "" H 3300 4550 50 0001 C CNN - 1 3300 4550 +P 4050 7750 +F 0 "#PWR?" H 4050 7600 50 0001 C CNN +F 1 "VCC" H 4067 7923 50 0000 C CNN +F 2 "" H 4050 7750 50 0001 C CNN +F 3 "" H 4050 7750 50 0001 C CNN + 1 4050 7750 1 0 0 -1 $EndComp $Comp L CPU:Z80CPU U1 U 1 1 604F040E -P 4150 3450 -F 0 "U1" H 4150 5131 50 0000 C CNN -F 1 "Z80CPU" H 4150 5040 50 0000 C CNN -F 2 "" H 4150 3850 50 0001 C CNN -F 3 "www.zilog.com/manage_directlink.php?filepath=docs/z80/um0080" H 4150 3850 50 0001 C CNN - 1 4150 3450 +P 4900 6650 +F 0 "U1" H 4900 8331 50 0000 C CNN +F 1 "Z80CPU" H 4900 8240 50 0000 C CNN +F 2 "" H 4900 7050 50 0001 C CNN +F 3 "www.zilog.com/manage_directlink.php?filepath=docs/z80/um0080" H 4900 7050 50 0001 C CNN + 1 4900 6650 1 0 0 -1 $EndComp Wire Wire Line - 3450 3450 3300 3450 + 4200 6650 4050 6650 $Comp L power:VCC #PWR? U 1 1 6050EE1E -P 3300 3450 -F 0 "#PWR?" H 3300 3300 50 0001 C CNN -F 1 "VCC" H 3317 3623 50 0000 C CNN -F 2 "" H 3300 3450 50 0001 C CNN -F 3 "" H 3300 3450 50 0001 C CNN - 1 3300 3450 +P 4050 6650 +F 0 "#PWR?" H 4050 6500 50 0001 C CNN +F 1 "VCC" H 4067 6823 50 0000 C CNN +F 2 "" H 4050 6650 50 0001 C CNN +F 3 "" H 4050 6650 50 0001 C CNN + 1 4050 6650 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 6055A1F9 -P 4550 1450 -F 0 "C?" V 4298 1450 50 0000 C CNN -F 1 "100nF" V 4389 1450 50 0000 C CNN -F 2 "" H 4588 1300 50 0001 C CNN -F 3 "~" H 4550 1450 50 0001 C CNN - 1 4550 1450 +P 5300 4650 +F 0 "C?" V 5048 4650 50 0000 C CNN +F 1 "100nF" V 5139 4650 50 0000 C CNN +F 2 "" H 5338 4500 50 0001 C CNN +F 3 "~" H 5300 4650 50 0001 C CNN + 1 5300 4650 0 1 1 0 $EndComp $Comp L Device:C C? U 1 1 6055A9DD -P 4550 1650 -F 0 "C?" V 4298 1650 50 0000 C CNN -F 1 "56pF" V 4389 1650 50 0000 C CNN -F 2 "" H 4588 1500 50 0001 C CNN -F 3 "~" H 4550 1650 50 0001 C CNN - 1 4550 1650 +P 5300 4850 +F 0 "C?" V 5048 4850 50 0000 C CNN +F 1 "56pF" V 5139 4850 50 0000 C CNN +F 2 "" H 5338 4700 50 0001 C CNN +F 3 "~" H 5300 4850 50 0001 C CNN + 1 5300 4850 0 1 1 0 $EndComp Wire Wire Line - 4700 1450 4700 1550 + 5450 4650 5450 4750 $Comp L power:GND #PWR? U 1 1 60567CC3 -P 4800 1550 -F 0 "#PWR?" H 4800 1300 50 0001 C CNN -F 1 "GND" H 4805 1377 50 0000 C CNN -F 2 "" H 4800 1550 50 0001 C CNN -F 3 "" H 4800 1550 50 0001 C CNN - 1 4800 1550 +P 5550 4750 +F 0 "#PWR?" H 5550 4500 50 0001 C CNN +F 1 "GND" H 5555 4577 50 0000 C CNN +F 2 "" H 5550 4750 50 0001 C CNN +F 3 "" H 5550 4750 50 0001 C CNN + 1 5550 4750 1 0 0 -1 $EndComp Wire Wire Line - 4800 1550 4700 1550 -Connection ~ 4700 1550 + 5550 4750 5450 4750 +Connection ~ 5450 4750 Wire Wire Line - 4700 1550 4700 1650 + 5450 4750 5450 4850 Wire Wire Line - 4150 1450 4150 1550 + 4900 4650 4900 4750 Wire Wire Line - 4400 1650 4400 1550 + 5150 4850 5150 4750 Wire Wire Line - 4400 1550 4150 1550 -Connection ~ 4400 1550 + 5150 4750 4900 4750 +Connection ~ 5150 4750 Wire Wire Line - 4400 1550 4400 1450 -Connection ~ 4150 1550 + 5150 4750 5150 4650 +Connection ~ 4900 4750 Wire Wire Line - 4150 1550 4150 1950 -Text Notes 4300 1850 0 50 ~ 0 + 4900 4750 4900 5150 +Text Notes 5050 5050 0 50 ~ 0 Smoothing caps Wire Wire Line - 3450 4550 3300 4550 + 4200 7750 4050 7750 Text Notes 15450 11050 0 50 ~ 0 0.1 alpha $Comp L 74xx:74HC04 U11 -U 1 1 605236EF -P 2200 1650 -F 0 "U11" V 2154 1830 50 0000 L CNN -F 1 "74HC04" V 2245 1830 50 0000 L CNN -F 2 "" H 2200 1650 50 0001 C CNN -F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT04.pdf" H 2200 1650 50 0001 C CNN - 1 2200 1650 +U 6 1 605236EF +P 2950 4850 +F 0 "U11" V 2904 5030 50 0000 L CNN +F 1 "74LS32" V 2995 5030 50 0000 L CNN +F 2 "" H 2950 4850 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 4850 50 0001 C CNN + 6 2950 4850 0 1 1 0 $EndComp Wire Wire Line - 3350 1600 3250 1600 -Connection ~ 3350 1600 -Connection ~ 3350 1500 + 4100 4800 4000 4800 +Connection ~ 4100 4800 +Connection ~ 4100 4700 Wire Wire Line - 3350 1500 3350 1600 + 4100 4700 4100 4800 Wire Wire Line - 3450 1600 3350 1600 + 4200 4800 4100 4800 Wire Wire Line - 3750 1150 3900 1150 -Connection ~ 3350 1150 + 4500 4350 4650 4350 +Connection ~ 4100 4350 Wire Wire Line - 3450 1150 3350 1150 + 4200 4350 4100 4350 $Comp L Device:R R? U 1 1 60584118 -P 3600 1150 -F 0 "R?" H 3670 1196 50 0000 L CNN -F 1 "270k" H 3670 1105 50 0000 L CNN -F 2 "" V 3530 1150 50 0001 C CNN -F 3 "~" H 3600 1150 50 0001 C CNN - 1 3600 1150 +P 4350 4350 +F 0 "R?" H 4420 4396 50 0000 L CNN +F 1 "270k" H 4420 4305 50 0000 L CNN +F 2 "" V 4280 4350 50 0001 C CNN +F 3 "~" H 4350 4350 50 0001 C CNN + 1 4350 4350 0 1 1 0 $EndComp -Text Notes 2550 950 0 50 ~ 0 +Text Notes 3300 4150 0 50 ~ 0 Reset circuit with\ndebouncing and\npower-on-reset Wire Wire Line - 3350 2200 3350 2250 -Connection ~ 2850 1150 + 4100 5400 4100 5450 +Connection ~ 3600 4350 Wire Wire Line - 2850 1150 2850 1500 + 3600 4350 3600 4700 Wire Wire Line - 2850 1150 2700 1150 + 3600 4350 3450 4350 $Comp L power:GND #PWR? U 1 1 605315B7 -P 2700 1150 -F 0 "#PWR?" H 2700 900 50 0001 C CNN -F 1 "GND" H 2705 977 50 0000 C CNN -F 2 "" H 2700 1150 50 0001 C CNN -F 3 "" H 2700 1150 50 0001 C CNN - 1 2700 1150 +P 3450 4350 +F 0 "#PWR?" H 3450 4100 50 0001 C CNN +F 1 "GND" H 3455 4177 50 0000 C CNN +F 2 "" H 3450 4350 50 0001 C CNN +F 3 "" H 3450 4350 50 0001 C CNN + 1 3450 4350 1 0 0 -1 $EndComp $Comp L power:VCC #PWR? U 1 1 60530F78 -P 3900 1150 -F 0 "#PWR?" H 3900 1000 50 0001 C CNN -F 1 "VCC" H 3917 1323 50 0000 C CNN -F 2 "" H 3900 1150 50 0001 C CNN -F 3 "" H 3900 1150 50 0001 C CNN - 1 3900 1150 +P 4650 4350 +F 0 "#PWR?" H 4650 4200 50 0001 C CNN +F 1 "VCC" H 4667 4523 50 0000 C CNN +F 2 "" H 4650 4350 50 0001 C CNN +F 3 "" H 4650 4350 50 0001 C CNN + 1 4650 4350 1 0 0 -1 $EndComp Wire Wire Line - 2900 1500 2850 1500 + 3650 4700 3600 4700 Wire Wire Line - 3350 1150 3250 1150 + 4100 4350 4000 4350 Wire Wire Line - 3350 1500 3350 1150 + 4100 4700 4100 4350 Wire Wire Line - 3200 1500 3350 1500 + 3950 4700 4100 4700 $Comp L Device:C C? U 1 1 6052B4C4 -P 3050 1500 -F 0 "C?" H 3165 1546 50 0000 L CNN -F 1 "10uF" H 3165 1455 50 0000 L CNN -F 2 "" H 3088 1350 50 0001 C CNN -F 3 "~" H 3050 1500 50 0001 C CNN - 1 3050 1500 +P 3800 4700 +F 0 "C?" H 3915 4746 50 0000 L CNN +F 1 "10uF" H 3915 4655 50 0000 L CNN +F 2 "" H 3838 4550 50 0001 C CNN +F 3 "~" H 3800 4700 50 0001 C CNN + 1 3800 4700 0 1 1 0 $EndComp $Comp L Switch:SW_Push SW1 U 1 1 60528DA4 -P 3050 1150 -F 0 "SW1" V 3050 1102 50 0000 R CNN -F 1 "SW_Push" V 3005 1102 50 0001 R CNN -F 2 "" H 3050 1350 50 0001 C CNN -F 3 "" H 3050 1350 50 0001 C CNN - 1 3050 1150 +P 3800 4350 +F 0 "SW1" V 3800 4302 50 0000 R CNN +F 1 "SW_Push" V 3755 4302 50 0001 R CNN +F 2 "" H 3800 4550 50 0001 C CNN +F 3 "" H 3800 4550 50 0001 C CNN + 1 3800 4350 1 0 0 -1 $EndComp $Comp L 74xx:74LS32 U10 -U 1 1 6051C888 -P 3350 1900 -F 0 "U10" H 3350 2225 50 0000 C CNN -F 1 "74LS32" H 3350 2134 50 0000 C CNN -F 2 "" H 3350 1900 50 0001 C CNN -F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 3350 1900 50 0001 C CNN - 1 3350 1900 +U 4 1 6051C888 +P 4100 5100 +F 0 "U10" H 4100 5425 50 0000 C CNN +F 1 "74LS32" H 4100 5334 50 0000 C CNN +F 2 "" H 4100 5100 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 4100 5100 50 0001 C CNN + 4 4100 5100 0 1 1 0 $EndComp $Comp L Device:C C? U 1 1 605648D0 -P 1100 1350 -F 0 "C?" V 848 1350 50 0000 C CNN -F 1 "30pF" V 939 1350 50 0000 C CNN -F 2 "" H 1138 1200 50 0001 C CNN -F 3 "~" H 1100 1350 50 0001 C CNN - 1 1100 1350 +P 1850 4550 +F 0 "C?" V 1598 4550 50 0000 C CNN +F 1 "30pF" V 1689 4550 50 0000 C CNN +F 2 "" H 1888 4400 50 0001 C CNN +F 3 "~" H 1850 4550 50 0001 C CNN + 1 1850 4550 0 1 1 0 $EndComp $Comp L Device:C C? U 1 1 60567676 -P 1100 1950 -F 0 "C?" V 848 1950 50 0000 C CNN -F 1 "30pF" V 939 1950 50 0000 C CNN -F 2 "" H 1138 1800 50 0001 C CNN -F 3 "~" H 1100 1950 50 0001 C CNN - 1 1100 1950 +P 1850 5150 +F 0 "C?" V 1598 5150 50 0000 C CNN +F 1 "30pF" V 1689 5150 50 0000 C CNN +F 2 "" H 1888 5000 50 0001 C CNN +F 3 "~" H 1850 5150 50 0001 C CNN + 1 1850 5150 0 1 1 0 $EndComp $Comp L power:GND #PWR? U 1 1 6056B22E -P 850 1350 -F 0 "#PWR?" H 850 1100 50 0001 C CNN -F 1 "GND" H 855 1177 50 0000 C CNN -F 2 "" H 850 1350 50 0001 C CNN -F 3 "" H 850 1350 50 0001 C CNN - 1 850 1350 +P 1600 4550 +F 0 "#PWR?" H 1600 4300 50 0001 C CNN +F 1 "GND" H 1605 4377 50 0000 C CNN +F 2 "" H 1600 4550 50 0001 C CNN +F 3 "" H 1600 4550 50 0001 C CNN + 1 1600 4550 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 6056C411 -P 850 1950 -F 0 "#PWR?" H 850 1700 50 0001 C CNN -F 1 "GND" H 855 1777 50 0000 C CNN -F 2 "" H 850 1950 50 0001 C CNN -F 3 "" H 850 1950 50 0001 C CNN - 1 850 1950 +P 1600 5150 +F 0 "#PWR?" H 1600 4900 50 0001 C CNN +F 1 "GND" H 1605 4977 50 0000 C CNN +F 2 "" H 1600 5150 50 0001 C CNN +F 3 "" H 1600 5150 50 0001 C CNN + 1 1600 5150 1 0 0 -1 $EndComp Wire Wire Line - 850 1950 950 1950 + 1600 5150 1700 5150 Wire Wire Line - 850 1350 950 1350 + 1600 4550 1700 4550 $Comp L Device:R R? U 1 1 60581F4C -P 1400 1650 -F 0 "R?" H 1470 1696 50 0000 L CNN -F 1 "3,3M" H 1470 1605 50 0000 L CNN -F 2 "" V 1330 1650 50 0001 C CNN -F 3 "~" H 1400 1650 50 0001 C CNN - 1 1400 1650 +P 2150 4850 +F 0 "R?" H 2220 4896 50 0000 L CNN +F 1 "3,3M" H 2220 4805 50 0000 L CNN +F 2 "" V 2080 4850 50 0001 C CNN +F 3 "~" H 2150 4850 50 0001 C CNN + 1 2150 4850 1 0 0 -1 $EndComp $Comp L Device:Crystal Y? U 1 1 6058BCE7 -P 1750 1650 -F 0 "Y?" V 1704 1781 50 0000 L CNN -F 1 "4Mhz" V 1795 1781 50 0000 L CNN -F 2 "" H 1750 1650 50 0001 C CNN -F 3 "~" H 1750 1650 50 0001 C CNN - 1 1750 1650 +P 2500 4850 +F 0 "Y?" V 2454 4981 50 0000 L CNN +F 1 "4Mhz" V 2545 4981 50 0000 L CNN +F 2 "" H 2500 4850 50 0001 C CNN +F 3 "~" H 2500 4850 50 0001 C CNN + 1 2500 4850 0 1 1 0 $EndComp Wire Wire Line - 1250 1350 1400 1350 + 2000 4550 2150 4550 Wire Wire Line - 1750 1500 1750 1350 -Connection ~ 1750 1350 + 2500 4700 2500 4550 +Connection ~ 2500 4550 Wire Wire Line - 1750 1350 2200 1350 + 2500 4550 2950 4550 Wire Wire Line - 1400 1500 1400 1350 -Connection ~ 1400 1350 + 2150 4700 2150 4550 +Connection ~ 2150 4550 Wire Wire Line - 1400 1350 1750 1350 + 2150 4550 2500 4550 Wire Wire Line - 1250 1950 1400 1950 + 2000 5150 2150 5150 Wire Wire Line - 1400 1800 1400 1950 -Connection ~ 1400 1950 + 2150 5000 2150 5150 +Connection ~ 2150 5150 Wire Wire Line - 1400 1950 1750 1950 + 2150 5150 2500 5150 Wire Wire Line - 1750 1800 1750 1950 -Connection ~ 1750 1950 + 2500 5000 2500 5150 +Connection ~ 2500 5150 Wire Wire Line - 1750 1950 2200 1950 -Text Notes 1350 2150 0 50 ~ 0 + 2500 5150 2950 5150 +Text Notes 2100 5350 0 50 ~ 0 System clock\n 4Mhz $Comp L 74xx:74HC04 U11 -U 2 1 605A807A -P 2200 2250 -F 0 "U11" V 2154 2430 50 0000 L CNN -F 1 "74HC04" V 2245 2430 50 0000 L CNN -F 2 "" H 2200 2250 50 0001 C CNN -F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT04.pdf" H 2200 2250 50 0001 C CNN - 2 2200 2250 +U 5 1 605A807A +P 2950 5450 +F 0 "U11" V 2904 5630 50 0000 L CNN +F 1 "74LS32" V 2995 5630 50 0000 L CNN +F 2 "" H 2950 5450 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 5450 50 0001 C CNN + 5 2950 5450 0 1 1 0 $EndComp Wire Wire Line - 3350 2250 3450 2250 -Connection ~ 2200 1950 + 4100 5450 4200 5450 +Connection ~ 2950 5150 Wire Wire Line - 3450 2550 2200 2550 + 4200 5750 2950 5750 $Comp L Device:C C? U 1 1 606345AE -P 6350 2600 -F 0 "C?" V 6098 2600 50 0000 C CNN -F 1 "100nF" V 6189 2600 50 0000 C CNN -F 2 "" H 6388 2450 50 0001 C CNN -F 3 "~" H 6350 2600 50 0001 C CNN - 1 6350 2600 +P 7100 5800 +F 0 "C?" V 6848 5800 50 0000 C CNN +F 1 "100nF" V 6939 5800 50 0000 C CNN +F 2 "" H 7138 5650 50 0001 C CNN +F 3 "~" H 7100 5800 50 0001 C CNN + 1 7100 5800 0 -1 -1 0 $EndComp $Comp L Device:C C? U 1 1 606345B4 -P 6350 2400 -F 0 "C?" V 6098 2400 50 0000 C CNN -F 1 "56pF" V 6189 2400 50 0000 C CNN -F 2 "" H 6388 2250 50 0001 C CNN -F 3 "~" H 6350 2400 50 0001 C CNN - 1 6350 2400 +P 7100 5600 +F 0 "C?" V 6848 5600 50 0000 C CNN +F 1 "56pF" V 6939 5600 50 0000 C CNN +F 2 "" H 7138 5450 50 0001 C CNN +F 3 "~" H 7100 5600 50 0001 C CNN + 1 7100 5600 0 -1 -1 0 $EndComp Wire Wire Line - 6200 2600 6200 2500 + 6950 5800 6950 5700 $Comp L power:GND #PWR? U 1 1 606345BB -P 6100 2500 -F 0 "#PWR?" H 6100 2250 50 0001 C CNN -F 1 "GND" H 6105 2327 50 0000 C CNN -F 2 "" H 6100 2500 50 0001 C CNN -F 3 "" H 6100 2500 50 0001 C CNN - 1 6100 2500 +P 6850 5700 +F 0 "#PWR?" H 6850 5450 50 0001 C CNN +F 1 "GND" H 6855 5527 50 0000 C CNN +F 2 "" H 6850 5700 50 0001 C CNN +F 3 "" H 6850 5700 50 0001 C CNN + 1 6850 5700 -1 0 0 1 $EndComp Wire Wire Line - 6100 2500 6200 2500 -Connection ~ 6200 2500 + 6850 5700 6950 5700 +Connection ~ 6950 5700 Wire Wire Line - 6200 2500 6200 2400 + 6950 5700 6950 5600 Wire Wire Line - 6500 2400 6500 2500 + 7250 5600 7250 5700 Wire Wire Line - 6500 2500 6750 2500 -Connection ~ 6500 2500 + 7250 5700 7500 5700 +Connection ~ 7250 5700 Wire Wire Line - 6500 2500 6500 2600 -Text Notes 6600 2250 2 50 ~ 0 + 7250 5700 7250 5800 +Text Notes 7350 5450 2 50 ~ 0 Smoothing caps $Comp L Device:C C? U 1 1 60649CA8 -P 6500 4150 -F 0 "C?" V 6248 4150 50 0000 C CNN -F 1 "100nF" V 6339 4150 50 0000 C CNN -F 2 "" H 6538 4000 50 0001 C CNN -F 3 "~" H 6500 4150 50 0001 C CNN - 1 6500 4150 +P 7250 7350 +F 0 "C?" V 6998 7350 50 0000 C CNN +F 1 "100nF" V 7089 7350 50 0000 C CNN +F 2 "" H 7288 7200 50 0001 C CNN +F 3 "~" H 7250 7350 50 0001 C CNN + 1 7250 7350 0 -1 -1 0 $EndComp $Comp L Device:C C? U 1 1 60649CAE -P 6500 3950 -F 0 "C?" V 6248 3950 50 0000 C CNN -F 1 "56pF" V 6339 3950 50 0000 C CNN -F 2 "" H 6538 3800 50 0001 C CNN -F 3 "~" H 6500 3950 50 0001 C CNN - 1 6500 3950 +P 7250 7150 +F 0 "C?" V 6998 7150 50 0000 C CNN +F 1 "56pF" V 7089 7150 50 0000 C CNN +F 2 "" H 7288 7000 50 0001 C CNN +F 3 "~" H 7250 7150 50 0001 C CNN + 1 7250 7150 0 -1 -1 0 $EndComp Wire Wire Line - 6350 4150 6350 4050 + 7100 7350 7100 7250 $Comp L power:GND #PWR? U 1 1 60649CB5 -P 6250 4050 -F 0 "#PWR?" H 6250 3800 50 0001 C CNN -F 1 "GND" H 6255 3877 50 0000 C CNN -F 2 "" H 6250 4050 50 0001 C CNN -F 3 "" H 6250 4050 50 0001 C CNN - 1 6250 4050 +P 7000 7250 +F 0 "#PWR?" H 7000 7000 50 0001 C CNN +F 1 "GND" H 7005 7077 50 0000 C CNN +F 2 "" H 7000 7250 50 0001 C CNN +F 3 "" H 7000 7250 50 0001 C CNN + 1 7000 7250 -1 0 0 1 $EndComp Wire Wire Line - 6250 4050 6350 4050 -Connection ~ 6350 4050 + 7000 7250 7100 7250 +Connection ~ 7100 7250 Wire Wire Line - 6350 4050 6350 3950 -Text Notes 6750 3800 2 50 ~ 0 -Smoothing caps + 7100 7250 7100 7150 Wire Wire Line - 6650 3950 6650 4050 + 7400 7150 7400 7250 Wire Wire Line - 6650 4050 6750 4050 -Connection ~ 6650 4050 + 7400 7250 7500 7250 +Connection ~ 7400 7250 Wire Wire Line - 6650 4050 6650 4150 -Connection ~ 6750 4050 + 7400 7250 7400 7350 +Connection ~ 7500 7250 $Comp L Device:R R? U 1 1 60661B57 -P 1750 2850 -F 0 "R?" V 1543 2850 50 0000 C CNN -F 1 "10k" V 1634 2850 50 0000 C CNN -F 2 "" V 1680 2850 50 0001 C CNN -F 3 "~" H 1750 2850 50 0001 C CNN - 1 1750 2850 +P 2500 6050 +F 0 "R?" V 2293 6050 50 0000 C CNN +F 1 "10k" V 2384 6050 50 0000 C CNN +F 2 "" V 2430 6050 50 0001 C CNN +F 3 "~" H 2500 6050 50 0001 C CNN + 1 2500 6050 0 1 1 0 $EndComp $Comp L Device:R R? U 1 1 60662809 -P 1450 2950 -F 0 "R?" V 1243 2950 50 0000 C CNN -F 1 "10k" V 1334 2950 50 0000 C CNN -F 2 "" V 1380 2950 50 0001 C CNN -F 3 "~" H 1450 2950 50 0001 C CNN - 1 1450 2950 +P 2200 6150 +F 0 "R?" V 1993 6150 50 0000 C CNN +F 1 "10k" V 2084 6150 50 0000 C CNN +F 2 "" V 2130 6150 50 0001 C CNN +F 3 "~" H 2200 6150 50 0001 C CNN + 1 2200 6150 0 1 1 0 $EndComp $Comp L power:VCC #PWR? U 1 1 60663175 -P 1300 2600 -F 0 "#PWR?" H 1300 2450 50 0001 C CNN -F 1 "VCC" H 1317 2773 50 0000 C CNN -F 2 "" H 1300 2600 50 0001 C CNN -F 3 "" H 1300 2600 50 0001 C CNN - 1 1300 2600 +P 2050 5800 +F 0 "#PWR?" H 2050 5650 50 0001 C CNN +F 1 "VCC" H 2067 5973 50 0000 C CNN +F 2 "" H 2050 5800 50 0001 C CNN +F 3 "" H 2050 5800 50 0001 C CNN + 1 2050 5800 1 0 0 -1 $EndComp Wire Wire Line - 1300 2600 1300 2850 + 2050 5800 2050 6050 Wire Wire Line - 1600 2850 1300 2850 -Connection ~ 1300 2850 + 2350 6050 2050 6050 +Connection ~ 2050 6050 Wire Wire Line - 1300 2850 1300 2950 + 2050 6050 2050 6150 Wire Wire Line - 1900 2850 3450 2850 + 2650 6050 4200 6050 Wire Wire Line - 1600 2950 2300 2950 + 2350 6150 3050 6150 $Comp L Switch:SW_Push SW? U 1 1 6067F418 -P 850 3050 -F 0 "SW?" H 850 3335 50 0000 C CNN -F 1 "Break" H 850 3244 50 0000 C CNN -F 2 "" H 850 3250 50 0001 C CNN -F 3 "" H 850 3250 50 0001 C CNN - 1 850 3050 +P 1600 6250 +F 0 "SW?" H 1600 6535 50 0000 C CNN +F 1 "Break" H 1600 6444 50 0000 C CNN +F 2 "" H 1600 6450 50 0001 C CNN +F 3 "" H 1600 6450 50 0001 C CNN + 1 1600 6250 1 0 0 -1 $EndComp $Comp L power:GND #PWR? U 1 1 60681E2A -P 550 3050 -F 0 "#PWR?" H 550 2800 50 0001 C CNN -F 1 "GND" H 555 2877 50 0000 C CNN -F 2 "" H 550 3050 50 0001 C CNN -F 3 "" H 550 3050 50 0001 C CNN - 1 550 3050 +P 1300 6250 +F 0 "#PWR?" H 1300 6000 50 0001 C CNN +F 1 "GND" H 1305 6077 50 0000 C CNN +F 2 "" H 1300 6250 50 0001 C CNN +F 3 "" H 1300 6250 50 0001 C CNN + 1 1300 6250 1 0 0 -1 $EndComp $Comp L Device:C C? U 1 1 6068233C -P 850 2600 -F 0 "C?" V 598 2600 50 0000 C CNN -F 1 "10uF" V 689 2600 50 0000 C CNN -F 2 "" H 888 2450 50 0001 C CNN -F 3 "~" H 850 2600 50 0001 C CNN - 1 850 2600 +P 1600 5800 +F 0 "C?" V 1348 5800 50 0000 C CNN +F 1 "10uF" V 1439 5800 50 0000 C CNN +F 2 "" H 1638 5650 50 0001 C CNN +F 3 "~" H 1600 5800 50 0001 C CNN + 1 1600 5800 0 1 1 0 $EndComp Wire Wire Line - 700 2600 650 2600 + 1450 5800 1400 5800 Wire Wire Line - 650 2600 650 3050 + 1400 5800 1400 6250 Wire Wire Line - 550 3050 650 3050 -Connection ~ 650 3050 + 1300 6250 1400 6250 +Connection ~ 1400 6250 Wire Wire Line - 1000 2600 1050 2600 + 1750 5800 1800 5800 Wire Wire Line - 1050 2600 1050 3050 + 1800 5800 1800 6250 Wire Wire Line - 1050 3050 2300 3050 + 1800 6250 3050 6250 Wire Wire Line - 2300 3050 2300 2950 -Connection ~ 1050 3050 -Connection ~ 2300 2950 + 3050 6250 3050 6150 +Connection ~ 1800 6250 +Connection ~ 3050 6150 Wire Wire Line - 2300 2950 3450 2950 -Text Notes 500 3500 0 50 ~ 0 + 3050 6150 4200 6150 +Text Notes 1250 6700 0 50 ~ 0 "Break" button $Comp L Connector:Conn_01x01_Male J? U 1 1 606A5B44 -P 3350 700 -F 0 "J?" V 3412 744 50 0000 L CNN -F 1 "panel_btn_rst" V 3503 744 50 0000 L CNN -F 2 "" H 3350 700 50 0001 C CNN -F 3 "~" H 3350 700 50 0001 C CNN - 1 3350 700 +P 4100 3900 +F 0 "J?" V 4162 3944 50 0000 L CNN +F 1 "panel_btn_rst" V 4253 3944 50 0000 L CNN +F 2 "" H 4100 3900 50 0001 C CNN +F 3 "~" H 4100 3900 50 0001 C CNN + 1 4100 3900 0 1 1 0 $EndComp Wire Wire Line - 3350 900 3350 1150 + 4100 4100 4100 4350 $Comp L Connector:Conn_01x01_Male J? U 1 1 606C1179 -P 1050 3350 -F 0 "J?" V 1204 3262 50 0000 R CNN -F 1 "panel_btn_brk" V 1113 3262 50 0000 R CNN -F 2 "" H 1050 3350 50 0001 C CNN -F 3 "~" H 1050 3350 50 0001 C CNN - 1 1050 3350 +P 1800 6550 +F 0 "J?" V 1954 6462 50 0000 R CNN +F 1 "panel_btn_brk" V 1863 6462 50 0000 R CNN +F 2 "" H 1800 6550 50 0001 C CNN +F 3 "~" H 1800 6550 50 0001 C CNN + 1 1800 6550 0 -1 -1 0 $EndComp Wire Wire Line - 1050 3150 1050 3050 + 1800 6350 1800 6250 $Comp L Device:LED D? U 1 1 606D4ECC -P 2300 3550 -F 0 "D?" H 2293 3295 50 0000 C CNN -F 1 "LED" H 2293 3386 50 0000 C CNN -F 2 "" H 2300 3550 50 0001 C CNN -F 3 "~" H 2300 3550 50 0001 C CNN - 1 2300 3550 +P 3050 6750 +F 0 "D?" H 3043 6495 50 0000 C CNN +F 1 "LED" H 3043 6586 50 0000 C CNN +F 2 "" H 3050 6750 50 0001 C CNN +F 3 "~" H 3050 6750 50 0001 C CNN + 1 3050 6750 -1 0 0 1 $EndComp Wire Wire Line - 2450 3550 2600 3550 + 3200 6750 3350 6750 $Comp L Device:R R? U 1 1 606E9AF9 -P 2000 3550 -F 0 "R?" V 1793 3550 50 0000 C CNN -F 1 "470" V 1884 3550 50 0000 C CNN -F 2 "" V 1930 3550 50 0001 C CNN -F 3 "~" H 2000 3550 50 0001 C CNN - 1 2000 3550 +P 2750 6750 +F 0 "R?" V 2543 6750 50 0000 C CNN +F 1 "470" V 2634 6750 50 0000 C CNN +F 2 "" V 2680 6750 50 0001 C CNN +F 3 "~" H 2750 6750 50 0001 C CNN + 1 2750 6750 0 1 1 0 $EndComp $Comp L power:VCC #PWR? U 1 1 606EA531 -P 1750 3550 -F 0 "#PWR?" H 1750 3400 50 0001 C CNN -F 1 "VCC" H 1767 3723 50 0000 C CNN -F 2 "" H 1750 3550 50 0001 C CNN -F 3 "" H 1750 3550 50 0001 C CNN - 1 1750 3550 +P 2500 6750 +F 0 "#PWR?" H 2500 6600 50 0001 C CNN +F 1 "VCC" H 2517 6923 50 0000 C CNN +F 2 "" H 2500 6750 50 0001 C CNN +F 3 "" H 2500 6750 50 0001 C CNN + 1 2500 6750 1 0 0 -1 $EndComp Wire Wire Line - 1750 3550 1850 3550 + 2500 6750 2600 6750 $Comp L Connector:Conn_01x01_Male J? U 1 1 60701566 -P 2600 3150 -F 0 "J?" V 2662 3194 50 0000 L CNN -F 1 "panel_led_halt" V 2753 3194 50 0000 L CNN -F 2 "" H 2600 3150 50 0001 C CNN -F 3 "~" H 2600 3150 50 0001 C CNN - 1 2600 3150 +P 3350 6350 +F 0 "J?" V 3412 6394 50 0000 L CNN +F 1 "panel_led_halt" V 3503 6394 50 0000 L CNN +F 2 "" H 3350 6350 50 0001 C CNN +F 3 "~" H 3350 6350 50 0001 C CNN + 1 3350 6350 0 1 1 0 $EndComp Wire Wire Line - 2600 3350 2600 3550 -Connection ~ 2600 3550 + 3350 6550 3350 6750 +Connection ~ 3350 6750 Wire Wire Line - 2600 3550 3450 3550 + 3350 6750 4200 6750 +NoConn ~ 4200 6550 +NoConn ~ 4200 6450 +NoConn ~ 4200 7350 +NoConn ~ 4200 7850 Wire Bus Line - 7050 1900 9600 1900 + 6000 7050 6550 7050 Wire Bus Line - 7050 3450 9600 3450 + 6550 7050 6550 6300 Wire Bus Line - 5250 4050 5250 5150 + 6550 7850 6550 7050 +Connection ~ 6550 7050 +Connection ~ 7500 5700 +Entry Wire Line + 7200 3650 7100 3550 +Entry Wire Line + 7200 3550 7100 3450 +Entry Wire Line + 7200 3450 7100 3350 +Entry Wire Line + 7200 3350 7100 3250 +Entry Wire Line + 7200 3250 7100 3150 +Entry Wire Line + 7200 3150 7100 3050 +Entry Wire Line + 7200 3050 7100 2950 +Entry Wire Line + 7200 2950 7100 2850 +Entry Wire Line + 7200 2850 7100 2750 +Entry Wire Line + 7200 2750 7100 2650 +Entry Wire Line + 7200 2650 7100 2550 +Entry Wire Line + 7200 2550 7100 2450 +Entry Wire Line + 7200 2450 7100 2350 +Entry Wire Line + 7200 2350 7100 2250 +Entry Wire Line + 7200 2250 7100 2150 +Wire Wire Line + 7500 3750 7200 3750 +Wire Wire Line + 7500 3650 7200 3650 +Wire Wire Line + 7500 3550 7200 3550 +Wire Wire Line + 7500 3450 7200 3450 +Wire Wire Line + 7500 3350 7200 3350 +Wire Wire Line + 7500 2950 7200 2950 +Wire Wire Line + 7500 2850 7200 2850 +Wire Wire Line + 7500 2750 7200 2750 +Wire Wire Line + 7500 2650 7200 2650 +Wire Wire Line + 7500 2550 7200 2550 +Wire Wire Line + 7500 2450 7200 2450 +Wire Wire Line + 7500 2350 7200 2350 +Text Label 7400 3750 2 50 ~ 0 +A0 +Text Label 7400 3650 2 50 ~ 0 +A1 +Text Label 7400 3550 2 50 ~ 0 +A2 +Text Label 7400 3450 2 50 ~ 0 +A3 +Text Label 7400 3350 2 50 ~ 0 +A4 +Text Label 7400 3250 2 50 ~ 0 +A5 +Text Label 7400 3150 2 50 ~ 0 +A6 +Text Label 7400 3050 2 50 ~ 0 +A7 +Text Label 7400 2950 2 50 ~ 0 +A8 +Text Label 7400 2850 2 50 ~ 0 +A9 +Text Label 7400 2750 2 50 ~ 0 +A10 +Text Label 7400 2650 2 50 ~ 0 +A11 +Text Label 7400 2550 2 50 ~ 0 +A12 +Text Label 7400 2450 2 50 ~ 0 +A13 +Text Label 7400 2350 2 50 ~ 0 +A14 +Text Label 7400 2250 2 50 ~ 0 +A15 +Entry Wire Line + 7200 3750 7100 3650 +Connection ~ 6550 6300 Wire Bus Line - 5250 2350 5250 3850 + 7100 2150 6550 2150 Wire Bus Line - 6100 3100 8250 3100 + 6550 6300 6550 2150 +Text HLabel 4200 7450 0 50 Output ~ 0 +IORQ +Text Notes 9300 2350 0 50 ~ 0 +Memory decoding logic +Text HLabel 8850 1950 0 50 Input ~ 0 +IORQ +$Comp +L 74xx:74HC04 U11 +U 2 1 60689B1C +P 9150 2000 +F 0 "U11" H 9150 2317 50 0000 C CNN +F 1 "74LS32" H 9150 2226 50 0000 C CNN +F 2 "" H 9150 2000 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 9150 2000 50 0001 C CNN + 2 9150 2000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8850 1000 8850 1200 +Wire Wire Line + 7200 2250 8500 2250 +$Comp +L 74xx:74HC04 U11 +U 1 1 6054CE0E +P 9150 1000 +F 0 "U11" H 9150 1317 50 0000 C CNN +F 1 "74HC04" H 9150 1226 50 0000 C CNN +F 2 "" H 9150 1000 50 0001 C CNN +F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT04.pdf" H 9150 1000 50 0001 C CNN + 1 9150 1000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 8500 2250 8500 1200 +Wire Wire Line + 8500 1200 8850 1200 +Connection ~ 8850 1200 +Wire Wire Line + 8850 1200 8850 1400 +$Comp +L 74xx:74LS32 U10 +U 1 1 60716E05 +P 10800 1900 +F 0 "U10" H 10800 1583 50 0000 C CNN +F 1 "74LS32" H 10800 1674 50 0000 C CNN +F 2 "" H 10800 1900 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 10800 1900 50 0001 C CNN + 1 10800 1900 + 1 0 0 1 +$EndComp +Wire Wire Line + 9450 1000 10250 1000 +Wire Wire Line + 10250 1000 10250 1800 +Wire Wire Line + 10250 1800 10500 1800 +Wire Wire Line + 9450 2000 9850 2000 +$Comp +L 74xx:74LS32 U10 +U 2 1 606614CA +P 9150 1500 +F 0 "U10" H 9150 1183 50 0000 C CNN +F 1 "74LS32" H 9150 1274 50 0000 C CNN +F 2 "" H 9150 1500 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 9150 1500 50 0001 C CNN + 2 9150 1500 + 1 0 0 1 +$EndComp +Wire Wire Line + 8850 1600 8850 1800 +Wire Wire Line + 8850 1800 9850 1800 +Wire Wire Line + 9850 1800 9850 2000 +Connection ~ 9850 2000 +Wire Wire Line + 9850 2000 10500 2000 +Text HLabel 11100 1900 2 50 Output ~ 0 +RAMEN +Text HLabel 9450 1500 2 50 Output ~ 0 +ROMEN +Text HLabel 9500 7850 3 50 Input ~ 0 +RAMEN +Wire Wire Line + 9500 7650 9500 7850 +Text HLabel 9500 6300 3 50 Input ~ 0 +ROMEN +Wire Wire Line + 9500 6100 9500 6300 +Text HLabel 4200 7150 0 50 Output ~ 0 +RD +Text HLabel 4200 7250 0 50 Output ~ 0 +WR +Text HLabel 9400 6300 3 50 Input ~ 0 +RD +Text HLabel 9300 6300 3 50 Input ~ 0 +WR +Wire Wire Line + 9300 6300 9300 6100 +Wire Wire Line + 9400 6300 9400 6100 +Text HLabel 9400 7850 3 50 Input ~ 0 +RD +Text HLabel 9300 7850 3 50 Input ~ 0 +WR +Wire Wire Line + 9300 7850 9300 7650 +Wire Wire Line + 9400 7850 9400 7650 +Text Notes 12650 3550 0 50 ~ 0 +I/O Decoding logic +Text Notes 8500 8600 0 50 ~ 0 +Memory +$Comp +L 74xx:74LS138 U? +U 1 1 60832D85 +P 12450 2800 +F 0 "U?" H 12450 3581 50 0000 C CNN +F 1 "74LS138" H 12450 3490 50 0000 C CNN +F 2 "" H 12450 2800 50 0001 C CNN +F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 12450 2800 50 0001 C CNN + 1 12450 2800 + 1 0 0 -1 +$EndComp +$Comp +L power:GND #PWR? +U 1 1 608389FF +P 12450 3500 +F 0 "#PWR?" H 12450 3250 50 0001 C CNN +F 1 "GND" H 12455 3327 50 0000 C CNN +F 2 "" H 12450 3500 50 0001 C CNN +F 3 "" H 12450 3500 50 0001 C CNN + 1 12450 3500 + 1 0 0 -1 +$EndComp +$Comp +L power:VCC #PWR? +U 1 1 6084DC47 +P 12450 1700 +F 0 "#PWR?" H 12450 1550 50 0001 C CNN +F 1 "VCC" H 12467 1873 50 0000 C CNN +F 2 "" H 12450 1700 50 0001 C CNN +F 3 "" H 12450 1700 50 0001 C CNN + 1 12450 1700 + 1 0 0 -1 +$EndComp +$Comp +L Device:C C? +U 1 1 6084DC4D +P 12850 1700 +F 0 "C?" V 12598 1700 50 0000 C CNN +F 1 "100nF" V 12689 1700 50 0000 C CNN +F 2 "" H 12888 1550 50 0001 C CNN +F 3 "~" H 12850 1700 50 0001 C CNN + 1 12850 1700 + 0 1 1 0 +$EndComp +$Comp +L Device:C C? +U 1 1 6084DC53 +P 12850 1900 +F 0 "C?" V 12598 1900 50 0000 C CNN +F 1 "56pF" V 12689 1900 50 0000 C CNN +F 2 "" H 12888 1750 50 0001 C CNN +F 3 "~" H 12850 1900 50 0001 C CNN + 1 12850 1900 + 0 1 1 0 +$EndComp +Wire Wire Line + 13000 1700 13000 1800 +$Comp +L power:GND #PWR? +U 1 1 6084DC5A +P 13100 1800 +F 0 "#PWR?" H 13100 1550 50 0001 C CNN +F 1 "GND" H 13105 1627 50 0000 C CNN +F 2 "" H 13100 1800 50 0001 C CNN +F 3 "" H 13100 1800 50 0001 C CNN + 1 13100 1800 + 1 0 0 -1 +$EndComp +Wire Wire Line + 13100 1800 13000 1800 +Connection ~ 13000 1800 +Wire Wire Line + 13000 1800 13000 1900 +Wire Wire Line + 12450 1700 12450 1800 +Wire Wire Line + 12700 1900 12700 1800 +Wire Wire Line + 12700 1800 12450 1800 +Connection ~ 12700 1800 +Wire Wire Line + 12700 1800 12700 1700 +Connection ~ 12450 1800 +Wire Wire Line + 12450 1800 12450 2200 +Text Notes 12600 2100 0 50 ~ 0 +Smoothing caps +Wire Wire Line + 11950 2500 8000 2500 +Wire Wire Line + 8000 2500 8000 3250 +Wire Wire Line + 7200 3250 8000 3250 +Wire Wire Line + 11950 2600 8150 2600 +Wire Wire Line + 8150 2600 8150 3150 +Wire Wire Line + 7200 3150 8150 3150 +Wire Wire Line + 11950 2700 8300 2700 +Wire Wire Line + 8300 2700 8300 3050 +Wire Wire Line + 7200 3050 8300 3050 +Wire Wire Line + 11950 3200 11950 3150 +Text HLabel 11650 3150 0 50 Input ~ 0 +IORQ +Wire Wire Line + 11650 3150 11950 3150 +Connection ~ 11950 3150 +Wire Wire Line + 11950 3150 11950 3100 +$Comp +L power:VCC #PWR? +U 1 1 608D60DB +P 11650 3000 +F 0 "#PWR?" H 11650 2850 50 0001 C CNN +F 1 "VCC" H 11667 3173 50 0000 C CNN +F 2 "" H 11650 3000 50 0001 C CNN +F 3 "" H 11650 3000 50 0001 C CNN + 1 11650 3000 + 1 0 0 -1 +$EndComp +Wire Wire Line + 11650 3000 11950 3000 +Wire Wire Line + 12950 2500 14050 2500 +Entry Wire Line + 14050 2500 14150 2600 +Wire Wire Line + 12950 2600 14050 2600 +Entry Wire Line + 14050 2600 14150 2700 +Wire Wire Line + 12950 2700 14050 2700 +Entry Wire Line + 14050 2700 14150 2800 +Wire Wire Line + 12950 2800 14050 2800 +Entry Wire Line + 14050 2800 14150 2900 +Wire Wire Line + 12950 2900 14050 2900 +Entry Wire Line + 14050 2900 14150 3000 +Wire Wire Line + 12950 3000 14050 3000 +Entry Wire Line + 14050 3000 14150 3100 +Wire Wire Line + 12950 3100 14050 3100 +Entry Wire Line + 14050 3100 14150 3200 +Wire Wire Line + 12950 3200 14050 3200 +Entry Wire Line + 14050 3200 14150 3300 +Text GLabel 14150 4650 3 50 BiDi ~ 0 +IOBUS +Text Label 12950 2500 0 50 ~ 0 +IOEN0 +Text Label 12950 2600 0 50 ~ 0 +IOEN1 +Text Label 12950 2700 0 50 ~ 0 +IOEN2 +Text Label 12950 2800 0 50 ~ 0 +IOEN3 +Text Label 12950 2900 0 50 ~ 0 +IOEN4 +Text Label 12950 3000 0 50 ~ 0 +IOEN5 +Text Label 12950 3100 0 50 ~ 0 +IOEN6 +Text Label 12950 3200 0 50 ~ 0 +IOEN7 Wire Bus Line - 6100 4650 8250 4650 + 7800 5100 10350 5100 +Wire Bus Line + 7800 6650 10350 6650 +Wire Bus Line + 6000 7250 6000 8350 +Wire Bus Line + 14150 2600 14150 4650 +Wire Bus Line + 6000 5550 6000 7050 +Wire Bus Line + 6550 6300 9000 6300 +Wire Bus Line + 6550 7850 9000 7850 +Wire Bus Line + 7100 2150 7100 3650 $EndSCHEMATC