From 6796c134f31f1b7b241216c6e80be734e5dd6072 Mon Sep 17 00:00:00 2001
From: Daniele Verducci su MatissePenguin <daniele.verducci@gmail.com>
Date: Sat, 20 Mar 2021 19:01:09 +0100
Subject: [PATCH] Schematic complete, commit before assigning footprints

---
 .../hardware/schematics/pat80/pat80-cache.lib |  67 +++
 .../hardware/schematics/pat80/pat80.sch       | 358 +++++++++---
 .../hardware/schematics/pat80/pat80.sch-bak   | 551 ++++++++++++------
 3 files changed, 698 insertions(+), 278 deletions(-)

diff --git a/pat80-computer/hardware/schematics/pat80/pat80-cache.lib b/pat80-computer/hardware/schematics/pat80/pat80-cache.lib
index d63154a..9831df6 100644
--- a/pat80-computer/hardware/schematics/pat80/pat80-cache.lib
+++ b/pat80-computer/hardware/schematics/pat80/pat80-cache.lib
@@ -310,6 +310,73 @@ X Pin_2 2 200 -100 150 L 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Connector_Generic_Conn_01x26
+#
+DEF Connector_Generic_Conn_01x26 J 0 40 Y N 1 F N
+F0 "J" 0 1300 50 H V C CNN
+F1 "Connector_Generic_Conn_01x26" 0 -1400 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+S -50 -1295 0 -1305 1 1 6 N
+S -50 -1195 0 -1205 1 1 6 N
+S -50 -1095 0 -1105 1 1 6 N
+S -50 -995 0 -1005 1 1 6 N
+S -50 -895 0 -905 1 1 6 N
+S -50 -795 0 -805 1 1 6 N
+S -50 -695 0 -705 1 1 6 N
+S -50 -595 0 -605 1 1 6 N
+S -50 -495 0 -505 1 1 6 N
+S -50 -395 0 -405 1 1 6 N
+S -50 -295 0 -305 1 1 6 N
+S -50 -195 0 -205 1 1 6 N
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 205 0 195 1 1 6 N
+S -50 305 0 295 1 1 6 N
+S -50 405 0 395 1 1 6 N
+S -50 505 0 495 1 1 6 N
+S -50 605 0 595 1 1 6 N
+S -50 705 0 695 1 1 6 N
+S -50 805 0 795 1 1 6 N
+S -50 905 0 895 1 1 6 N
+S -50 1005 0 995 1 1 6 N
+S -50 1105 0 1095 1 1 6 N
+S -50 1205 0 1195 1 1 6 N
+S -50 1250 50 -1350 1 1 10 f
+X Pin_1 1 -200 1200 150 R 50 50 1 1 P
+X Pin_10 10 -200 300 150 R 50 50 1 1 P
+X Pin_11 11 -200 200 150 R 50 50 1 1 P
+X Pin_12 12 -200 100 150 R 50 50 1 1 P
+X Pin_13 13 -200 0 150 R 50 50 1 1 P
+X Pin_14 14 -200 -100 150 R 50 50 1 1 P
+X Pin_15 15 -200 -200 150 R 50 50 1 1 P
+X Pin_16 16 -200 -300 150 R 50 50 1 1 P
+X Pin_17 17 -200 -400 150 R 50 50 1 1 P
+X Pin_18 18 -200 -500 150 R 50 50 1 1 P
+X Pin_19 19 -200 -600 150 R 50 50 1 1 P
+X Pin_2 2 -200 1100 150 R 50 50 1 1 P
+X Pin_20 20 -200 -700 150 R 50 50 1 1 P
+X Pin_21 21 -200 -800 150 R 50 50 1 1 P
+X Pin_22 22 -200 -900 150 R 50 50 1 1 P
+X Pin_23 23 -200 -1000 150 R 50 50 1 1 P
+X Pin_24 24 -200 -1100 150 R 50 50 1 1 P
+X Pin_25 25 -200 -1200 150 R 50 50 1 1 P
+X Pin_26 26 -200 -1300 150 R 50 50 1 1 P
+X Pin_3 3 -200 1000 150 R 50 50 1 1 P
+X Pin_4 4 -200 900 150 R 50 50 1 1 P
+X Pin_5 5 -200 800 150 R 50 50 1 1 P
+X Pin_6 6 -200 700 150 R 50 50 1 1 P
+X Pin_7 7 -200 600 150 R 50 50 1 1 P
+X Pin_8 8 -200 500 150 R 50 50 1 1 P
+X Pin_9 9 -200 400 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Device_C
 #
 DEF Device_C C 0 10 N Y 1 F N
diff --git a/pat80-computer/hardware/schematics/pat80/pat80.sch b/pat80-computer/hardware/schematics/pat80/pat80.sch
index 03ad99f..ff6573b 100644
--- a/pat80-computer/hardware/schematics/pat80/pat80.sch
+++ b/pat80-computer/hardware/schematics/pat80/pat80.sch
@@ -632,7 +632,7 @@ L 74xx:74HC04 U11
 U 6 1 605236EF
 P 2950 5650
 F 0 "U11" V 2904 5830 50  0000 L CNN
-F 1 "74LS32" V 2995 5830 50  0000 L CNN
+F 1 "74HC04" V 2995 5830 50  0000 L CNN
 F 2 "" H 2950 5650 50  0001 C CNN
 F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 5650 50  0001 C CNN
 	6    2950 5650
@@ -835,7 +835,7 @@ L 74xx:74HC04 U11
 U 5 1 605A807A
 P 2950 6250
 F 0 "U11" V 2904 6430 50  0000 L CNN
-F 1 "74LS32" V 2995 6430 50  0000 L CNN
+F 1 "74HC04" V 2995 6430 50  0000 L CNN
 F 2 "" H 2950 6250 50  0001 C CNN
 F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 6250 50  0001 C CNN
 	5    2950 6250
@@ -944,17 +944,6 @@ Wire Wire Line
 	7400 8050 7400 8150
 Connection ~ 7500 8050
 $Comp
-L Device:R R3
-U 1 1 60661B57
-P 2500 6850
-F 0 "R3" V 2293 6850 50  0000 C CNN
-F 1 "10k" V 2384 6850 50  0000 C CNN
-F 2 "" V 2430 6850 50  0001 C CNN
-F 3 "~" H 2500 6850 50  0001 C CNN
-	1    2500 6850
-	0    1    1    0   
-$EndComp
-$Comp
 L Device:R R2
 U 1 1 60662809
 P 2200 6950
@@ -976,15 +965,6 @@ F 3 "" H 2050 6600 50  0001 C CNN
 	1    2050 6600
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	2050 6600 2050 6850
-Wire Wire Line
-	2350 6850 2050 6850
-Connection ~ 2050 6850
-Wire Wire Line
-	2050 6850 2050 6950
-Wire Wire Line
-	2650 6850 4200 6850
 Wire Wire Line
 	2350 6950 3050 6950
 $Comp
@@ -1223,7 +1203,7 @@ 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 1 "74HC04" 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
@@ -1240,7 +1220,7 @@ 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
+F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 9150 1000 50  0001 C CNN
 	1    9150 1000
 	1    0    0    -1  
 $EndComp
@@ -1882,51 +1862,51 @@ I/O Data transceiver
 $Comp
 L power:GND #PWR010
 U 1 1 60AC0139
-P 4100 2600
-F 0 "#PWR010" H 4100 2350 50  0001 C CNN
-F 1 "GND" H 4105 2427 50  0000 C CNN
-F 2 "" H 4100 2600 50  0001 C CNN
-F 3 "" H 4100 2600 50  0001 C CNN
-	1    4100 2600
+P 3200 10250
+F 0 "#PWR010" H 3200 10000 50  0001 C CNN
+F 1 "GND" H 3205 10077 50  0000 C CNN
+F 2 "" H 3200 10250 50  0001 C CNN
+F 3 "" H 3200 10250 50  0001 C CNN
+	1    3200 10250
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:C C7
 U 1 1 60AC0A76
-P 4100 2150
-F 0 "C7" H 4215 2196 50  0000 L CNN
-F 1 "470uF" H 4215 2105 50  0000 L CNN
-F 2 "" H 4138 2000 50  0001 C CNN
-F 3 "~" H 4100 2150 50  0001 C CNN
-	1    4100 2150
+P 3200 9800
+F 0 "C7" H 3315 9846 50  0000 L CNN
+F 1 "470uF" H 3315 9755 50  0000 L CNN
+F 2 "" H 3238 9650 50  0001 C CNN
+F 3 "~" H 3200 9800 50  0001 C CNN
+	1    3200 9800
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:VCC #PWR09
 U 1 1 60AC1A8F
-P 4100 1650
-F 0 "#PWR09" H 4100 1500 50  0001 C CNN
-F 1 "VCC" H 4117 1823 50  0000 C CNN
-F 2 "" H 4100 1650 50  0001 C CNN
-F 3 "" H 4100 1650 50  0001 C CNN
-	1    4100 1650
+P 3200 9300
+F 0 "#PWR09" H 3200 9150 50  0001 C CNN
+F 1 "VCC" H 3217 9473 50  0000 C CNN
+F 2 "" H 3200 9300 50  0001 C CNN
+F 3 "" H 3200 9300 50  0001 C CNN
+	1    3200 9300
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	4100 1650 4100 2000
+	3200 9300 3200 9650
 Wire Wire Line
-	4100 2300 4100 2600
-Text Notes 2850 2850 0    50   ~ 0
+	3200 9950 3200 10250
+Text Notes 1950 10500 0    50   ~ 0
 Power input
 $Comp
 L Connector:Conn_01x02_Male J2
 U 1 1 60AE4278
-P 1950 2050
-F 0 "J2" H 2058 2231 50  0000 C CNN
-F 1 "Power input" H 2058 2140 50  0000 C CNN
-F 2 "" H 1950 2050 50  0001 C CNN
-F 3 "~" H 1950 2050 50  0001 C CNN
-	1    1950 2050
+P 1050 9700
+F 0 "J2" H 1158 9881 50  0000 C CNN
+F 1 "Power input" H 1158 9790 50  0000 C CNN
+F 2 "" H 1050 9700 50  0001 C CNN
+F 3 "~" H 1050 9700 50  0001 C CNN
+	1    1050 9700
 	1    0    0    -1  
 $EndComp
 $Comp
@@ -1987,71 +1967,271 @@ Wire Wire Line
 $Comp
 L Regulator_Linear:LM7805_TO220 U30
 U 1 1 60B8B756
-P 3050 2000
-F 0 "U30" H 3050 2242 50  0000 C CNN
-F 1 "LM7805_TO220" H 3050 2151 50  0000 C CNN
-F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 3050 2225 50  0001 C CIN
-F 3 "http://www.fairchildsemi.com/ds/LM/LM7805.pdf" H 3050 1950 50  0001 C CNN
-	1    3050 2000
+P 2150 9650
+F 0 "U30" H 2150 9892 50  0000 C CNN
+F 1 "LM7805_TO220" H 2150 9801 50  0000 C CNN
+F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 2150 9875 50  0001 C CIN
+F 3 "http://www.fairchildsemi.com/ds/LM/LM7805.pdf" H 2150 9600 50  0001 C CNN
+	1    2150 9650
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:C C4
 U 1 1 60B9FCED
-P 2500 2150
-F 0 "C4" H 2615 2196 50  0000 L CNN
-F 1 "0,22uF" H 2615 2105 50  0000 L CNN
-F 2 "" H 2538 2000 50  0001 C CNN
-F 3 "~" H 2500 2150 50  0001 C CNN
-	1    2500 2150
+P 1600 9800
+F 0 "C4" H 1715 9846 50  0000 L CNN
+F 1 "0,22uF" H 1715 9755 50  0000 L CNN
+F 2 "" H 1638 9650 50  0001 C CNN
+F 3 "~" H 1600 9800 50  0001 C CNN
+	1    1600 9800
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:C C5
 U 1 1 60BB291F
-P 3600 2150
-F 0 "C5" H 3715 2196 50  0000 L CNN
-F 1 "0,1uF" H 3715 2105 50  0000 L CNN
-F 2 "" H 3638 2000 50  0001 C CNN
-F 3 "~" H 3600 2150 50  0001 C CNN
-	1    3600 2150
+P 2700 9800
+F 0 "C5" H 2815 9846 50  0000 L CNN
+F 1 "0,1uF" H 2815 9755 50  0000 L CNN
+F 2 "" H 2738 9650 50  0001 C CNN
+F 3 "~" H 2700 9800 50  0001 C CNN
+	1    2700 9800
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	2500 2000 2750 2000
+	1600 9650 1850 9650
 Wire Wire Line
-	3350 2000 3600 2000
-Connection ~ 4100 2000
-Connection ~ 3600 2000
+	2450 9650 2700 9650
+Connection ~ 3200 9650
+Connection ~ 2700 9650
 Wire Wire Line
-	3600 2000 4100 2000
+	2700 9650 3200 9650
 Wire Wire Line
-	2150 2150 2150 2300
+	1250 9800 1250 9950
 Wire Wire Line
-	2150 2300 2500 2300
-Connection ~ 4100 2300
-Connection ~ 2500 2300
+	1250 9950 1600 9950
+Connection ~ 3200 9950
+Connection ~ 1600 9950
 Wire Wire Line
-	2500 2300 3050 2300
-Connection ~ 3050 2300
+	1600 9950 2150 9950
+Connection ~ 2150 9950
 Wire Wire Line
-	3050 2300 3600 2300
-Connection ~ 3600 2300
+	2150 9950 2700 9950
+Connection ~ 2700 9950
 Wire Wire Line
-	3600 2300 4100 2300
+	2700 9950 3200 9950
 Wire Wire Line
-	2150 2050 2150 2000
+	1250 9700 1250 9650
 Wire Wire Line
-	2150 2000 2500 2000
-Connection ~ 2500 2000
+	1250 9650 1600 9650
+Connection ~ 1600 9650
+Text GLabel 1550 1150 1    50   BiDi ~ 0
+IOBUS
+Entry Wire Line
+	1550 1700 1650 1800
+Entry Wire Line
+	1550 1800 1650 1900
+Entry Wire Line
+	1550 1900 1650 2000
+Entry Wire Line
+	1550 2000 1650 2100
+Entry Wire Line
+	1550 2100 1650 2200
+Entry Wire Line
+	1550 2200 1650 2300
+Entry Wire Line
+	1550 2300 1650 2400
+Entry Wire Line
+	1550 2400 1650 2500
+Entry Wire Line
+	1550 2500 1650 2600
+Entry Wire Line
+	1550 2600 1650 2700
+Entry Wire Line
+	1550 2700 1650 2800
+Entry Wire Line
+	1550 2800 1650 2900
+Entry Wire Line
+	1550 2900 1650 3000
+Entry Wire Line
+	1550 3000 1650 3100
+Entry Wire Line
+	1550 3100 1650 3200
+Entry Wire Line
+	1550 3200 1650 3300
+Entry Wire Line
+	1550 3300 1650 3400
+Entry Wire Line
+	1550 3400 1650 3500
+Entry Wire Line
+	1550 3500 1650 3600
+Entry Wire Line
+	1550 3600 1650 3700
+Entry Wire Line
+	1550 3700 1650 3800
+Entry Wire Line
+	1550 3800 1650 3900
+Entry Wire Line
+	1550 3900 1650 4000
+Entry Wire Line
+	1550 4000 1650 4100
+Wire Wire Line
+	1650 1800 2000 1800
+Wire Wire Line
+	1650 1900 2000 1900
+Wire Wire Line
+	1650 2000 2000 2000
+Wire Wire Line
+	1650 2100 2000 2100
+Wire Wire Line
+	1650 2200 2000 2200
+Wire Wire Line
+	1650 2300 2000 2300
+Wire Wire Line
+	1650 2400 2000 2400
+Wire Wire Line
+	1650 2500 2000 2500
+Wire Wire Line
+	1650 2600 2000 2600
+Wire Wire Line
+	1650 2700 2000 2700
+Wire Wire Line
+	1650 2800 2000 2800
+Wire Wire Line
+	1650 2900 2000 2900
+Wire Wire Line
+	1650 3000 2000 3000
+Wire Wire Line
+	1650 3100 2000 3100
+Wire Wire Line
+	1650 3200 2000 3200
+Wire Wire Line
+	1650 3300 2000 3300
+Wire Wire Line
+	1650 3400 2000 3400
+Wire Wire Line
+	1650 3500 2000 3500
+Wire Wire Line
+	1650 3600 2000 3600
+Wire Wire Line
+	1650 3700 2000 3700
+Wire Wire Line
+	1650 3800 2000 3800
+Wire Wire Line
+	1650 3900 2000 3900
+Wire Wire Line
+	1650 4000 2000 4000
+Wire Wire Line
+	1650 4100 2000 4100
+$Comp
+L Connector_Generic:Conn_01x26 IOBUS
+U 1 1 60940D54
+P 2200 2800
+F 0 "IOBUS" H 2280 2792 50  0000 L CNN
+F 1 "IO_bus_conn" H 2280 2701 50  0000 L CNN
+F 2 "" H 2200 2800 50  0001 C CNN
+F 3 "~" H 2200 2800 50  0001 C CNN
+	1    2200 2800
+	1    0    0    -1  
+$EndComp
+Entry Wire Line
+	1550 1500 1650 1600
+Entry Wire Line
+	1550 1600 1650 1700
+Wire Wire Line
+	1650 1600 2000 1600
+Wire Wire Line
+	1650 1700 2000 1700
+Text Label 1650 1600 0    50   ~ 0
+IOVCC
+Text Label 1650 1700 0    50   ~ 0
+IOGND
+Text Label 1650 4000 0    50   ~ 0
+IOGND
+Text Label 1650 4100 0    50   ~ 0
+IOVCC
+Text Label 1650 1800 0    50   ~ 0
+IOEN0
+Text Label 1650 1900 0    50   ~ 0
+IOEN1
+Text Label 1650 2000 0    50   ~ 0
+IOEN2
+Text Label 1650 2100 0    50   ~ 0
+IOEN3
+Text Label 1650 2200 0    50   ~ 0
+IOEN4
+Text Label 1650 2300 0    50   ~ 0
+IOEN5
+Text Label 1650 2400 0    50   ~ 0
+IOEN6
+Text Label 1650 2500 0    50   ~ 0
+IOEN7
+Text Label 1650 2600 0    50   ~ 0
+IOADDR0
+Text Label 1650 2700 0    50   ~ 0
+IOADDR1
+Text Label 1650 2800 0    50   ~ 0
+IOADDR2
+Text Label 1650 2900 0    50   ~ 0
+IOADDR3
+Text Label 1650 3000 0    50   ~ 0
+IOADDR4
+Text Label 1650 3100 0    50   ~ 0
+IOD0
+Text Label 1650 3200 0    50   ~ 0
+IOD1
+Text Label 1650 3300 0    50   ~ 0
+IOD2
+Text Label 1650 3400 0    50   ~ 0
+IOD3
+Text Label 1650 3500 0    50   ~ 0
+IOD4
+Text Label 1650 3600 0    50   ~ 0
+IOD5
+Text Label 1650 3700 0    50   ~ 0
+IOD6
+Text Label 1650 3800 0    50   ~ 0
+IOD7
+Text Label 1650 3900 0    50   ~ 0
+IOWR
+Wire Wire Line
+	2650 6850 4200 6850
+Wire Wire Line
+	2050 6850 2050 6950
+Wire Wire Line
+	2050 6600 2050 6850
+Connection ~ 2050 6850
+Wire Wire Line
+	2350 6850 2050 6850
+$Comp
+L Device:R R3
+U 1 1 60661B57
+P 2500 6850
+F 0 "R3" V 2293 6850 50  0000 C CNN
+F 1 "10k" V 2384 6850 50  0000 C CNN
+F 2 "" V 2430 6850 50  0001 C CNN
+F 3 "~" H 2500 6850 50  0001 C CNN
+	1    2500 6850
+	0    1    1    0   
+$EndComp
+$Comp
+L Connector:Conn_01x01_Male J?
+U 1 1 60B92792
+P 2800 6650
+F 0 "J?" V 2862 6694 50  0000 L CNN
+F 1 "nmi" V 2953 6694 50  0000 L CNN
+F 2 "" H 2800 6650 50  0001 C CNN
+F 3 "~" H 2800 6650 50  0001 C CNN
+	1    2800 6650
+	0    1    1    0   
+$EndComp
+Wire Bus Line
+	11450 5900 11450 6650
 Wire Bus Line
 	7800 5900 10350 5900
 Wire Bus Line
 	7800 7450 10350 7450
 Wire Bus Line
 	6000 8050 6000 9150
-Wire Bus Line
-	11450 5900 11450 6650
 Wire Bus Line
 	6000 6350 6000 7850
 Wire Bus Line
@@ -2062,4 +2242,6 @@ Wire Bus Line
 	7100 2150 7100 3650
 Wire Bus Line
 	14150 1700 14150 7600
+Wire Bus Line
+	1550 1150 1550 4000
 $EndSCHEMATC
diff --git a/pat80-computer/hardware/schematics/pat80/pat80.sch-bak b/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
index 1d017aa..ca3d035 100644
--- a/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
+++ b/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
@@ -469,10 +469,10 @@ F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 8600 8050 50
 	0    -1   -1   0   
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR019
 U 1 1 60507104
 P 9700 6500
-F 0 "#PWR?" H 9700 6250 50  0001 C CNN
+F 0 "#PWR019" H 9700 6250 50  0001 C CNN
 F 1 "GND" H 9705 6327 50  0000 C CNN
 F 2 "" H 9700 6500 50  0001 C CNN
 F 3 "" H 9700 6500 50  0001 C CNN
@@ -480,10 +480,10 @@ F 3 "" H 9700 6500 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR020
 U 1 1 6050737A
 P 9700 8050
-F 0 "#PWR?" H 9700 7800 50  0001 C CNN
+F 0 "#PWR020" H 9700 7800 50  0001 C CNN
 F 1 "GND" H 9705 7877 50  0000 C CNN
 F 2 "" H 9700 8050 50  0001 C CNN
 F 3 "" H 9700 8050 50  0001 C CNN
@@ -491,10 +491,10 @@ F 3 "" H 9700 8050 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR013
 U 1 1 605076F8
 P 4900 8950
-F 0 "#PWR?" H 4900 8700 50  0001 C CNN
+F 0 "#PWR013" H 4900 8700 50  0001 C CNN
 F 1 "GND" H 4905 8777 50  0000 C CNN
 F 2 "" H 4900 8950 50  0001 C CNN
 F 3 "" H 4900 8950 50  0001 C CNN
@@ -502,10 +502,10 @@ F 3 "" H 4900 8950 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR012
 U 1 1 60507B8E
 P 4900 5450
-F 0 "#PWR?" H 4900 5300 50  0001 C CNN
+F 0 "#PWR012" H 4900 5300 50  0001 C CNN
 F 1 "VCC" H 4917 5623 50  0000 C CNN
 F 2 "" H 4900 5450 50  0001 C CNN
 F 3 "" H 4900 5450 50  0001 C CNN
@@ -513,10 +513,10 @@ F 3 "" H 4900 5450 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR017
 U 1 1 60507E3C
 P 7500 6500
-F 0 "#PWR?" H 7500 6350 50  0001 C CNN
+F 0 "#PWR017" H 7500 6350 50  0001 C CNN
 F 1 "VCC" H 7517 6673 50  0000 C CNN
 F 2 "" H 7500 6500 50  0001 C CNN
 F 3 "" H 7500 6500 50  0001 C CNN
@@ -524,10 +524,10 @@ F 3 "" H 7500 6500 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR018
 U 1 1 605080EF
 P 7500 8050
-F 0 "#PWR?" H 7500 7900 50  0001 C CNN
+F 0 "#PWR018" H 7500 7900 50  0001 C CNN
 F 1 "VCC" H 7517 8223 50  0000 C CNN
 F 2 "" H 7500 8050 50  0001 C CNN
 F 3 "" H 7500 8050 50  0001 C CNN
@@ -535,10 +535,10 @@ F 3 "" H 7500 8050 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR08
 U 1 1 60508CD5
 P 4050 8550
-F 0 "#PWR?" H 4050 8400 50  0001 C CNN
+F 0 "#PWR08" H 4050 8400 50  0001 C CNN
 F 1 "VCC" H 4067 8723 50  0000 C CNN
 F 2 "" H 4050 8550 50  0001 C CNN
 F 3 "" H 4050 8550 50  0001 C CNN
@@ -559,10 +559,10 @@ $EndComp
 Wire Wire Line
 	4200 7450 4050 7450
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR07
 U 1 1 6050EE1E
 P 4050 7450
-F 0 "#PWR?" H 4050 7300 50  0001 C CNN
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 $EndComp
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 $EndComp
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 $EndComp
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 Wire Wire Line
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 $Comp
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 $EndComp
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 $EndComp
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 $EndComp
 $Comp
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 $EndComp
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 Wire Wire Line
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 $Comp
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 $EndComp
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 $EndComp
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 $EndComp
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 $EndComp
 $Comp
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 $EndComp
 $Comp
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 Wire Wire Line
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 $EndComp
 $Comp
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 $EndComp
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 $Comp
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 $EndComp
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 Wire Wire Line
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 $EndComp
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 $EndComp
 $Comp
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 $EndComp
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 $EndComp
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 $EndComp
 $Comp
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 Wire Wire Line
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 Wire Wire Line
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 $EndComp
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 $EndComp
 $Comp
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 Wire Wire Line
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 F 3 "" H 12350 7350 50  0001 C CNN
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 $EndComp
 $Comp
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 $EndComp
 $Comp
-L Device:C C?
+L Device:C C16
 U 1 1 60853D7B
 P 12750 5250
-F 0 "C?" V 12498 5250 50  0000 C CNN
+F 0 "C16" V 12498 5250 50  0000 C CNN
 F 1 "100nF" V 12589 5250 50  0000 C CNN
 F 2 "" H 12788 5100 50  0001 C CNN
 F 3 "~" H 12750 5250 50  0001 C CNN
@@ -1717,10 +1717,10 @@ F 3 "~" H 12750 5250 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C17
 U 1 1 60853D81
 P 12750 5450
-F 0 "C?" V 12498 5450 50  0000 C CNN
+F 0 "C17" V 12498 5450 50  0000 C CNN
 F 1 "56pF" V 12589 5450 50  0000 C CNN
 F 2 "" H 12788 5300 50  0001 C CNN
 F 3 "~" H 12750 5450 50  0001 C CNN
@@ -1730,10 +1730,10 @@ $EndComp
 Wire Wire Line
 	12900 5250 12900 5350
 $Comp
-L power:GND #PWR?
+L power:GND #PWR029
 U 1 1 60853D88
 P 13000 5350
-F 0 "#PWR?" H 13000 5100 50  0001 C CNN
+F 0 "#PWR029" H 13000 5100 50  0001 C CNN
 F 1 "GND" H 13005 5177 50  0000 C CNN
 F 2 "" H 13000 5350 50  0001 C CNN
 F 3 "" H 13000 5350 50  0001 C CNN
@@ -1880,60 +1880,60 @@ IOD7
 Text Notes 11950 7750 0    50   ~ 0
 I/O Data transceiver
 $Comp
-L power:GND #PWR?
+L power:GND #PWR010
 U 1 1 60AC0139
-P 4100 2600
-F 0 "#PWR?" H 4100 2350 50  0001 C CNN
-F 1 "GND" H 4105 2427 50  0000 C CNN
-F 2 "" H 4100 2600 50  0001 C CNN
-F 3 "" H 4100 2600 50  0001 C CNN
-	1    4100 2600
+P 3200 10250
+F 0 "#PWR010" H 3200 10000 50  0001 C CNN
+F 1 "GND" H 3205 10077 50  0000 C CNN
+F 2 "" H 3200 10250 50  0001 C CNN
+F 3 "" H 3200 10250 50  0001 C CNN
+	1    3200 10250
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C7
 U 1 1 60AC0A76
-P 4100 2150
-F 0 "C?" H 4215 2196 50  0000 L CNN
-F 1 "470uF" H 4215 2105 50  0000 L CNN
-F 2 "" H 4138 2000 50  0001 C CNN
-F 3 "~" H 4100 2150 50  0001 C CNN
-	1    4100 2150
+P 3200 9800
+F 0 "C7" H 3315 9846 50  0000 L CNN
+F 1 "470uF" H 3315 9755 50  0000 L CNN
+F 2 "" H 3238 9650 50  0001 C CNN
+F 3 "~" H 3200 9800 50  0001 C CNN
+	1    3200 9800
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR09
 U 1 1 60AC1A8F
-P 4100 1650
-F 0 "#PWR?" H 4100 1500 50  0001 C CNN
-F 1 "VCC" H 4117 1823 50  0000 C CNN
-F 2 "" H 4100 1650 50  0001 C CNN
-F 3 "" H 4100 1650 50  0001 C CNN
-	1    4100 1650
+P 3200 9300
+F 0 "#PWR09" H 3200 9150 50  0001 C CNN
+F 1 "VCC" H 3217 9473 50  0000 C CNN
+F 2 "" H 3200 9300 50  0001 C CNN
+F 3 "" H 3200 9300 50  0001 C CNN
+	1    3200 9300
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	4100 1650 4100 2000
+	3200 9300 3200 9650
 Wire Wire Line
-	4100 2300 4100 2600
-Text Notes 2850 2850 0    50   ~ 0
+	3200 9950 3200 10250
+Text Notes 1950 10500 0    50   ~ 0
 Power input
 $Comp
-L Connector:Conn_01x02_Male J?
+L Connector:Conn_01x02_Male J2
 U 1 1 60AE4278
-P 1950 2050
-F 0 "J?" H 2058 2231 50  0000 C CNN
-F 1 "Power input" H 2058 2140 50  0000 C CNN
-F 2 "" H 1950 2050 50  0001 C CNN
-F 3 "~" H 1950 2050 50  0001 C CNN
-	1    1950 2050
+P 1050 9700
+F 0 "J2" H 1158 9881 50  0000 C CNN
+F 1 "Power input" H 1158 9790 50  0000 C CNN
+F 2 "" H 1050 9700 50  0001 C CNN
+F 3 "~" H 1050 9700 50  0001 C CNN
+	1    1050 9700
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR032
 U 1 1 60AEC202
 P 13700 2050
-F 0 "#PWR?" H 13700 1800 50  0001 C CNN
+F 0 "#PWR032" H 13700 1800 50  0001 C CNN
 F 1 "GND" H 13705 1877 50  0000 C CNN
 F 2 "" H 13700 2050 50  0001 C CNN
 F 3 "" H 13700 2050 50  0001 C CNN
@@ -1941,10 +1941,10 @@ F 3 "" H 13700 2050 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR031
 U 1 1 60AEC67F
 P 13700 1550
-F 0 "#PWR?" H 13700 1400 50  0001 C CNN
+F 0 "#PWR031" H 13700 1400 50  0001 C CNN
 F 1 "VCC" H 13717 1723 50  0000 C CNN
 F 2 "" H 13700 1550 50  0001 C CNN
 F 3 "" H 13700 1550 50  0001 C CNN
@@ -1952,10 +1952,10 @@ F 3 "" H 13700 1550 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C20
 U 1 1 60AED147
 P 13700 1800
-F 0 "C?" H 13815 1846 50  0000 L CNN
+F 0 "C20" H 13815 1846 50  0000 L CNN
 F 1 "470uF" H 13815 1755 50  0000 L CNN
 F 2 "" H 13738 1650 50  0001 C CNN
 F 3 "~" H 13700 1800 50  0001 C CNN
@@ -1987,71 +1987,238 @@ Wire Wire Line
 $Comp
 L Regulator_Linear:LM7805_TO220 U30
 U 1 1 60B8B756
-P 3050 2000
-F 0 "U30" H 3050 2242 50  0000 C CNN
-F 1 "LM7805_TO220" H 3050 2151 50  0000 C CNN
-F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 3050 2225 50  0001 C CIN
-F 3 "http://www.fairchildsemi.com/ds/LM/LM7805.pdf" H 3050 1950 50  0001 C CNN
-	1    3050 2000
+P 2150 9650
+F 0 "U30" H 2150 9892 50  0000 C CNN
+F 1 "LM7805_TO220" H 2150 9801 50  0000 C CNN
+F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 2150 9875 50  0001 C CIN
+F 3 "http://www.fairchildsemi.com/ds/LM/LM7805.pdf" H 2150 9600 50  0001 C CNN
+	1    2150 9650
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C4
 U 1 1 60B9FCED
-P 2500 2150
-F 0 "C?" H 2615 2196 50  0000 L CNN
-F 1 "0,22uF" H 2615 2105 50  0000 L CNN
-F 2 "" H 2538 2000 50  0001 C CNN
-F 3 "~" H 2500 2150 50  0001 C CNN
-	1    2500 2150
+P 1600 9800
+F 0 "C4" H 1715 9846 50  0000 L CNN
+F 1 "0,22uF" H 1715 9755 50  0000 L CNN
+F 2 "" H 1638 9650 50  0001 C CNN
+F 3 "~" H 1600 9800 50  0001 C CNN
+	1    1600 9800
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C5
 U 1 1 60BB291F
-P 3600 2150
-F 0 "C?" H 3715 2196 50  0000 L CNN
-F 1 "0,1uF" H 3715 2105 50  0000 L CNN
-F 2 "" H 3638 2000 50  0001 C CNN
-F 3 "~" H 3600 2150 50  0001 C CNN
-	1    3600 2150
+P 2700 9800
+F 0 "C5" H 2815 9846 50  0000 L CNN
+F 1 "0,1uF" H 2815 9755 50  0000 L CNN
+F 2 "" H 2738 9650 50  0001 C CNN
+F 3 "~" H 2700 9800 50  0001 C CNN
+	1    2700 9800
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	2500 2000 2750 2000
+	1600 9650 1850 9650
 Wire Wire Line
-	3350 2000 3600 2000
-Connection ~ 4100 2000
-Connection ~ 3600 2000
+	2450 9650 2700 9650
+Connection ~ 3200 9650
+Connection ~ 2700 9650
 Wire Wire Line
-	3600 2000 4100 2000
+	2700 9650 3200 9650
 Wire Wire Line
-	2150 2150 2150 2300
+	1250 9800 1250 9950
 Wire Wire Line
-	2150 2300 2500 2300
-Connection ~ 4100 2300
-Connection ~ 2500 2300
+	1250 9950 1600 9950
+Connection ~ 3200 9950
+Connection ~ 1600 9950
 Wire Wire Line
-	2500 2300 3050 2300
-Connection ~ 3050 2300
+	1600 9950 2150 9950
+Connection ~ 2150 9950
 Wire Wire Line
-	3050 2300 3600 2300
-Connection ~ 3600 2300
+	2150 9950 2700 9950
+Connection ~ 2700 9950
 Wire Wire Line
-	3600 2300 4100 2300
+	2700 9950 3200 9950
 Wire Wire Line
-	2150 2050 2150 2000
+	1250 9700 1250 9650
 Wire Wire Line
-	2150 2000 2500 2000
-Connection ~ 2500 2000
+	1250 9650 1600 9650
+Connection ~ 1600 9650
+Text GLabel 1550 1150 1    50   BiDi ~ 0
+IOBUS
+Entry Wire Line
+	1550 1700 1650 1800
+Entry Wire Line
+	1550 1800 1650 1900
+Entry Wire Line
+	1550 1900 1650 2000
+Entry Wire Line
+	1550 2000 1650 2100
+Entry Wire Line
+	1550 2100 1650 2200
+Entry Wire Line
+	1550 2200 1650 2300
+Entry Wire Line
+	1550 2300 1650 2400
+Entry Wire Line
+	1550 2400 1650 2500
+Entry Wire Line
+	1550 2500 1650 2600
+Entry Wire Line
+	1550 2600 1650 2700
+Entry Wire Line
+	1550 2700 1650 2800
+Entry Wire Line
+	1550 2800 1650 2900
+Entry Wire Line
+	1550 2900 1650 3000
+Entry Wire Line
+	1550 3000 1650 3100
+Entry Wire Line
+	1550 3100 1650 3200
+Entry Wire Line
+	1550 3200 1650 3300
+Entry Wire Line
+	1550 3300 1650 3400
+Entry Wire Line
+	1550 3400 1650 3500
+Entry Wire Line
+	1550 3500 1650 3600
+Entry Wire Line
+	1550 3600 1650 3700
+Entry Wire Line
+	1550 3700 1650 3800
+Entry Wire Line
+	1550 3800 1650 3900
+Entry Wire Line
+	1550 3900 1650 4000
+Entry Wire Line
+	1550 4000 1650 4100
+Wire Wire Line
+	1650 1800 2000 1800
+Wire Wire Line
+	1650 1900 2000 1900
+Wire Wire Line
+	1650 2000 2000 2000
+Wire Wire Line
+	1650 2100 2000 2100
+Wire Wire Line
+	1650 2200 2000 2200
+Wire Wire Line
+	1650 2300 2000 2300
+Wire Wire Line
+	1650 2400 2000 2400
+Wire Wire Line
+	1650 2500 2000 2500
+Wire Wire Line
+	1650 2600 2000 2600
+Wire Wire Line
+	1650 2700 2000 2700
+Wire Wire Line
+	1650 2800 2000 2800
+Wire Wire Line
+	1650 2900 2000 2900
+Wire Wire Line
+	1650 3000 2000 3000
+Wire Wire Line
+	1650 3100 2000 3100
+Wire Wire Line
+	1650 3200 2000 3200
+Wire Wire Line
+	1650 3300 2000 3300
+Wire Wire Line
+	1650 3400 2000 3400
+Wire Wire Line
+	1650 3500 2000 3500
+Wire Wire Line
+	1650 3600 2000 3600
+Wire Wire Line
+	1650 3700 2000 3700
+Wire Wire Line
+	1650 3800 2000 3800
+Wire Wire Line
+	1650 3900 2000 3900
+Wire Wire Line
+	1650 4000 2000 4000
+Wire Wire Line
+	1650 4100 2000 4100
+$Comp
+L Connector_Generic:Conn_01x26 IOBUS
+U 1 1 60940D54
+P 2200 2800
+F 0 "IOBUS" H 2280 2792 50  0000 L CNN
+F 1 "IO_bus_conn" H 2280 2701 50  0000 L CNN
+F 2 "" H 2200 2800 50  0001 C CNN
+F 3 "~" H 2200 2800 50  0001 C CNN
+	1    2200 2800
+	1    0    0    -1  
+$EndComp
+Entry Wire Line
+	1550 1500 1650 1600
+Entry Wire Line
+	1550 1600 1650 1700
+Wire Wire Line
+	1650 1600 2000 1600
+Wire Wire Line
+	1650 1700 2000 1700
+Text Label 1650 1600 0    50   ~ 0
+IOVCC
+Text Label 1650 1700 0    50   ~ 0
+IOGND
+Text Label 1650 4000 0    50   ~ 0
+IOGND
+Text Label 1650 4100 0    50   ~ 0
+IOVCC
+Text Label 1650 1800 0    50   ~ 0
+IOEN0
+Text Label 1650 1900 0    50   ~ 0
+IOEN1
+Text Label 1650 2000 0    50   ~ 0
+IOEN2
+Text Label 1650 2100 0    50   ~ 0
+IOEN3
+Text Label 1650 2200 0    50   ~ 0
+IOEN4
+Text Label 1650 2300 0    50   ~ 0
+IOEN5
+Text Label 1650 2400 0    50   ~ 0
+IOEN6
+Text Label 1650 2500 0    50   ~ 0
+IOEN7
+Text Label 1650 2600 0    50   ~ 0
+IOADDR0
+Text Label 1650 2700 0    50   ~ 0
+IOADDR1
+Text Label 1650 2800 0    50   ~ 0
+IOADDR2
+Text Label 1650 2900 0    50   ~ 0
+IOADDR3
+Text Label 1650 3000 0    50   ~ 0
+IOADDR4
+Text Label 1650 3100 0    50   ~ 0
+IOD0
+Text Label 1650 3200 0    50   ~ 0
+IOD1
+Text Label 1650 3300 0    50   ~ 0
+IOD2
+Text Label 1650 3400 0    50   ~ 0
+IOD3
+Text Label 1650 3500 0    50   ~ 0
+IOD4
+Text Label 1650 3600 0    50   ~ 0
+IOD5
+Text Label 1650 3700 0    50   ~ 0
+IOD6
+Text Label 1650 3800 0    50   ~ 0
+IOD7
+Wire Bus Line
+	11450 5900 11450 6650
 Wire Bus Line
 	7800 5900 10350 5900
 Wire Bus Line
 	7800 7450 10350 7450
 Wire Bus Line
 	6000 8050 6000 9150
-Wire Bus Line
-	11450 5900 11450 6650
 Wire Bus Line
 	6000 6350 6000 7850
 Wire Bus Line
@@ -2062,4 +2229,8 @@ Wire Bus Line
 	7100 2150 7100 3650
 Wire Bus Line
 	14150 1700 14150 7600
+Wire Bus Line
+	1550 1150 1550 4000
+Text Label 1650 3900 0    50   ~ 0
+IOWR
 $EndSCHEMATC