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pato-z80-home-computer/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
Daniele Verducci (ZenPenguin) 0727b793c3 Connector description
2021-03-21 17:59:52 +01:00

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A3 16535 11693
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Title ""
Date ""
Rev ""
Comp ""
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$EndDescr
Text Notes 12250 10950 0 79 ~ 0
Pat80 Z80 home computer
Text Notes 13000 11050 0 50 ~ 0
2021-03-15
$Comp
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F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 8600 6500 50 0001 C CNN
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$EndComp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
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F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 8600 8050 50 0001 C CNN
1 8600 8050
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$EndComp
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$EndComp
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$EndComp
$Comp
L Device:C C9
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Smoothing caps
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0.1 alpha
$Comp
L 74xx:74HC04 U11
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$EndComp
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$Comp
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Text Notes 3300 4950 0 50 ~ 0
Reset circuit with\ndebouncing and\npower-on-reset
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$Comp
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$Comp
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$EndComp
$Comp
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$EndComp
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$EndComp
$Comp
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System clock\n 4Mhz
$Comp
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$EndComp
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$Comp
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$Comp
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P 7100 6400
F 0 "C10" V 6848 6400 50 0000 C CNN
F 1 "56pF" V 6939 6400 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" H 7138 6250 50 0001 C CNN
F 3 "~" H 7100 6400 50 0001 C CNN
1 7100 6400
0 -1 -1 0
$EndComp
Wire Wire Line
6950 6600 6950 6500
$Comp
L power:GND #PWR015
U 1 1 606345BB
P 6850 6500
F 0 "#PWR015" H 6850 6250 50 0001 C CNN
F 1 "GND" H 6855 6327 50 0000 C CNN
F 2 "" H 6850 6500 50 0001 C CNN
F 3 "" H 6850 6500 50 0001 C CNN
1 6850 6500
-1 0 0 1
$EndComp
Wire Wire Line
6850 6500 6950 6500
Connection ~ 6950 6500
Wire Wire Line
6950 6500 6950 6400
Wire Wire Line
7250 6400 7250 6500
Wire Wire Line
7250 6500 7500 6500
Connection ~ 7250 6500
Wire Wire Line
7250 6500 7250 6600
Text Notes 7350 6250 2 50 ~ 0
Smoothing caps
$Comp
L Device:C C13
U 1 1 60649CA8
P 7250 8150
F 0 "C13" V 6998 8150 50 0000 C CNN
F 1 "100nF" V 7089 8150 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" H 7288 8000 50 0001 C CNN
F 3 "~" H 7250 8150 50 0001 C CNN
1 7250 8150
0 -1 -1 0
$EndComp
$Comp
L Device:C C12
U 1 1 60649CAE
P 7250 7950
F 0 "C12" V 6998 7950 50 0000 C CNN
F 1 "56pF" V 7089 7950 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" H 7288 7800 50 0001 C CNN
F 3 "~" H 7250 7950 50 0001 C CNN
1 7250 7950
0 -1 -1 0
$EndComp
Wire Wire Line
7100 8150 7100 8050
$Comp
L power:GND #PWR016
U 1 1 60649CB5
P 7000 8050
F 0 "#PWR016" H 7000 7800 50 0001 C CNN
F 1 "GND" H 7005 7877 50 0000 C CNN
F 2 "" H 7000 8050 50 0001 C CNN
F 3 "" H 7000 8050 50 0001 C CNN
1 7000 8050
-1 0 0 1
$EndComp
Wire Wire Line
7000 8050 7100 8050
Connection ~ 7100 8050
Wire Wire Line
7100 8050 7100 7950
Wire Wire Line
7400 7950 7400 8050
Wire Wire Line
7400 8050 7500 8050
Connection ~ 7400 8050
Wire Wire Line
7400 8050 7400 8150
Connection ~ 7500 8050
$Comp
L Device:R R2
U 1 1 60662809
P 2200 6950
F 0 "R2" V 1993 6950 50 0000 C CNN
F 1 "10k" V 2084 6950 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 2130 6950 50 0001 C CNN
F 3 "~" H 2200 6950 50 0001 C CNN
1 2200 6950
0 1 1 0
$EndComp
$Comp
L power:VCC #PWR04
U 1 1 60663175
P 2050 6600
F 0 "#PWR04" H 2050 6450 50 0001 C CNN
F 1 "VCC" H 2067 6773 50 0000 C CNN
F 2 "" H 2050 6600 50 0001 C CNN
F 3 "" H 2050 6600 50 0001 C CNN
1 2050 6600
1 0 0 -1
$EndComp
Wire Wire Line
2350 6950 3050 6950
$Comp
L Switch:SW_Push SW2
U 1 1 6067F418
P 1600 7050
F 0 "SW2" H 1600 7335 50 0000 C CNN
F 1 "Break" H 1600 7244 50 0000 C CNN
F 2 "Button_Switch_THT:SW_Tactile_Straight_KSA0Axx1LFTR" H 1600 7250 50 0001 C CNN
F 3 "" H 1600 7250 50 0001 C CNN
1 1600 7050
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR01
U 1 1 60681E2A
P 1300 7050
F 0 "#PWR01" H 1300 6800 50 0001 C CNN
F 1 "GND" H 1305 6877 50 0000 C CNN
F 2 "" H 1300 7050 50 0001 C CNN
F 3 "" H 1300 7050 50 0001 C CNN
1 1300 7050
1 0 0 -1
$EndComp
$Comp
L Device:C C1
U 1 1 6068233C
P 1600 6600
F 0 "C1" V 1348 6600 50 0000 C CNN
F 1 "10uF" V 1439 6600 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" H 1638 6450 50 0001 C CNN
F 3 "~" H 1600 6600 50 0001 C CNN
1 1600 6600
0 1 1 0
$EndComp
Wire Wire Line
1450 6600 1400 6600
Wire Wire Line
1400 6600 1400 7050
Wire Wire Line
1300 7050 1400 7050
Connection ~ 1400 7050
Wire Wire Line
1750 6600 1800 6600
Wire Wire Line
1800 6600 1800 7050
Wire Wire Line
1800 7050 3050 7050
Wire Wire Line
3050 7050 3050 6950
Connection ~ 1800 7050
Connection ~ 3050 6950
Wire Wire Line
3050 6950 4200 6950
Text Notes 1250 7500 0 50 ~ 0
"Break" button
$Comp
L Connector:Conn_01x01_Male J4
U 1 1 606A5B44
P 4100 4700
F 0 "J4" V 4162 4744 50 0000 L CNN
F 1 "panel_btn_rst" V 4253 4744 50 0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 4100 4700 50 0001 C CNN
F 3 "~" H 4100 4700 50 0001 C CNN
1 4100 4700
0 1 1 0
$EndComp
Wire Wire Line
4100 4900 4100 5150
$Comp
L Connector:Conn_01x01_Male J1
U 1 1 606C1179
P 1800 7350
F 0 "J1" V 1954 7262 50 0000 R CNN
F 1 "panel_btn_brk" V 1863 7262 50 0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 1800 7350 50 0001 C CNN
F 3 "~" H 1800 7350 50 0001 C CNN
1 1800 7350
0 -1 -1 0
$EndComp
Wire Wire Line
1800 7150 1800 7050
$Comp
L Device:LED D1
U 1 1 606D4ECC
P 3050 7550
F 0 "D1" H 3043 7295 50 0000 C CNN
F 1 "LED" H 3043 7386 50 0000 C CNN
F 2 "LED_THT:LED_D5.0mm" H 3050 7550 50 0001 C CNN
F 3 "~" H 3050 7550 50 0001 C CNN
1 3050 7550
-1 0 0 1
$EndComp
Wire Wire Line
3200 7550 3350 7550
$Comp
L Device:R R4
U 1 1 606E9AF9
P 2750 7550
F 0 "R4" V 2543 7550 50 0000 C CNN
F 1 "470" V 2634 7550 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 2680 7550 50 0001 C CNN
F 3 "~" H 2750 7550 50 0001 C CNN
1 2750 7550
0 1 1 0
$EndComp
$Comp
L power:VCC #PWR05
U 1 1 606EA531
P 2500 7550
F 0 "#PWR05" H 2500 7400 50 0001 C CNN
F 1 "VCC" H 2517 7723 50 0000 C CNN
F 2 "" H 2500 7550 50 0001 C CNN
F 3 "" H 2500 7550 50 0001 C CNN
1 2500 7550
1 0 0 -1
$EndComp
Wire Wire Line
2500 7550 2600 7550
$Comp
L Connector:Conn_01x01_Male J3
U 1 1 60701566
P 3350 7150
F 0 "J3" V 3412 7194 50 0000 L CNN
F 1 "panel_led_halt" V 3503 7194 50 0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 3350 7150 50 0001 C CNN
F 3 "~" H 3350 7150 50 0001 C CNN
1 3350 7150
0 1 1 0
$EndComp
Wire Wire Line
3350 7350 3350 7550
Connection ~ 3350 7550
Wire Wire Line
3350 7550 4200 7550
NoConn ~ 4200 7350
NoConn ~ 4200 7250
NoConn ~ 4200 8150
NoConn ~ 4200 8650
Wire Bus Line
6000 7850 6550 7850
Wire Bus Line
6550 7850 6550 7100
Wire Bus Line
6550 8650 6550 7850
Connection ~ 6550 7850
Connection ~ 7500 6500
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 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
Wire Bus Line
7100 2150 6550 2150
Text HLabel 4200 8250 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 "74HC04" H 9150 2226 50 0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" 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 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" 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
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 "74HC32" H 10800 1674 50 0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" 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 "74HC32" H 9150 1274 50 0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" 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 8650 3 50 Input ~ 0
RAMEN
Wire Wire Line
9500 8450 9500 8650
Text HLabel 9500 7100 3 50 Input ~ 0
ROMEN
Wire Wire Line
9500 6900 9500 7100
Text HLabel 4200 7950 0 50 Output ~ 0
RD
Text HLabel 4200 8050 0 50 Output ~ 0
WR
Text HLabel 9400 7100 3 50 Input ~ 0
RD
Text HLabel 9300 7100 3 50 Input ~ 0
WR
Wire Wire Line
9300 7100 9300 6900
Wire Wire Line
9400 7100 9400 6900
Text HLabel 9400 8650 3 50 Input ~ 0
RD
Text HLabel 9300 8650 3 50 Input ~ 0
WR
Wire Wire Line
9300 8650 9300 8450
Wire Wire Line
9400 8650 9400 8450
Text Notes 10750 5250 0 50 ~ 0
I/O Decoding logic
Text Notes 8500 9400 0 50 ~ 0
Memory
$Comp
L 74xx:74LS138 U20
U 1 1 60832D85
P 12450 2800
F 0 "U20" H 12450 3581 50 0000 C CNN
F 1 "74HC138" H 12450 3490 50 0000 C CNN
F 2 "Package_DIP:DIP-16_W7.62mm_Socket_LongPads" 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 #PWR028
U 1 1 608389FF
P 12450 3500
F 0 "#PWR028" 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 #PWR027
U 1 1 6084DC47
P 12450 1700
F 0 "#PWR027" 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 C18
U 1 1 6084DC4D
P 12850 1700
F 0 "C18" V 12598 1700 50 0000 C CNN
F 1 "100nF" V 12689 1700 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" 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 C19
U 1 1 6084DC53
P 12850 1900
F 0 "C19" V 12598 1900 50 0000 C CNN
F 1 "56pF" V 12689 1900 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" 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 #PWR030
U 1 1 6084DC5A
P 13100 1800
F 0 "#PWR030" 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 #PWR024
U 1 1 608D60DB
P 11650 3000
F 0 "#PWR024" 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 7600 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
$Comp
L 74xx:74HC244 U21
U 1 1 6057058E
P 9850 4350
F 0 "U21" H 9850 5331 50 0000 C CNN
F 1 "74HC244" H 9850 5240 50 0000 C CNN
F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 9850 4350 50 0001 C CNN
F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT244.pdf" H 9850 4350 50 0001 C CNN
1 9850 4350
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR022
U 1 1 60571DDE
P 9850 5150
F 0 "#PWR022" H 9850 4900 50 0001 C CNN
F 1 "GND" H 9855 4977 50 0000 C CNN
F 2 "" H 9850 5150 50 0001 C CNN
F 3 "" H 9850 5150 50 0001 C CNN
1 9850 5150
1 0 0 -1
$EndComp
Wire Bus Line
6550 2150 6550 7100
Connection ~ 6550 7100
$Comp
L power:VCC #PWR021
U 1 1 6062D6E7
P 9850 3050
F 0 "#PWR021" H 9850 2900 50 0001 C CNN
F 1 "VCC" H 9867 3223 50 0000 C CNN
F 2 "" H 9850 3050 50 0001 C CNN
F 3 "" H 9850 3050 50 0001 C CNN
1 9850 3050
1 0 0 -1
$EndComp
$Comp
L Device:C C14
U 1 1 6062D6ED
P 10250 3050
F 0 "C14" V 9998 3050 50 0000 C CNN
F 1 "100nF" V 10089 3050 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" H 10288 2900 50 0001 C CNN
F 3 "~" H 10250 3050 50 0001 C CNN
1 10250 3050
0 1 1 0
$EndComp
$Comp
L Device:C C15
U 1 1 6062D6F3
P 10250 3250
F 0 "C15" V 9998 3250 50 0000 C CNN
F 1 "56pF" V 10089 3250 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" H 10288 3100 50 0001 C CNN
F 3 "~" H 10250 3250 50 0001 C CNN
1 10250 3250
0 1 1 0
$EndComp
Wire Wire Line
10400 3050 10400 3150
$Comp
L power:GND #PWR023
U 1 1 6062D6FA
P 10500 3150
F 0 "#PWR023" H 10500 2900 50 0001 C CNN
F 1 "GND" H 10505 2977 50 0000 C CNN
F 2 "" H 10500 3150 50 0001 C CNN
F 3 "" H 10500 3150 50 0001 C CNN
1 10500 3150
1 0 0 -1
$EndComp
Wire Wire Line
10500 3150 10400 3150
Connection ~ 10400 3150
Wire Wire Line
10400 3150 10400 3250
Wire Wire Line
9850 3050 9850 3150
Wire Wire Line
10100 3250 10100 3150
Wire Wire Line
10100 3150 9850 3150
Connection ~ 10100 3150
Wire Wire Line
10100 3150 10100 3050
Connection ~ 9850 3150
Wire Wire Line
9850 3150 9850 3550
Text Notes 10000 3450 0 50 ~ 0
Smoothing caps
Wire Wire Line
9350 4850 9350 4800
Text HLabel 9050 4800 0 50 Input ~ 0
IORQ
Wire Wire Line
9050 4800 9350 4800
Connection ~ 9350 4800
Wire Wire Line
9350 4800 9350 4750
Wire Wire Line
8000 3750 8000 4250
Wire Wire Line
8000 4250 9350 4250
Wire Wire Line
7200 3750 8000 3750
Wire Wire Line
8150 3650 8150 4350
Wire Wire Line
8150 4350 9350 4350
Wire Wire Line
7200 3650 8150 3650
Wire Wire Line
8300 3550 8300 4450
Wire Wire Line
8300 4450 9350 4450
Wire Wire Line
7200 3550 8300 3550
Wire Wire Line
8450 3450 8450 4150
Wire Wire Line
8450 4150 9350 4150
Wire Wire Line
7200 3450 8450 3450
Wire Wire Line
8600 3350 8600 4050
Wire Wire Line
8600 4050 9350 4050
Wire Wire Line
7200 3350 8600 3350
NoConn ~ 7500 2950
NoConn ~ 7500 2850
NoConn ~ 7500 2750
NoConn ~ 7500 2650
NoConn ~ 7500 2550
NoConn ~ 7500 2450
NoConn ~ 7500 2350
NoConn ~ 9350 3850
NoConn ~ 9350 3950
NoConn ~ 10350 3850
NoConn ~ 10350 3950
Text HLabel 9050 4550 0 50 Input ~ 0
WR
Wire Wire Line
9050 4550 9350 4550
Wire Wire Line
10350 4050 14050 4050
Entry Wire Line
14050 4050 14150 4150
Wire Wire Line
10350 4150 14050 4150
Entry Wire Line
14050 4150 14150 4250
Wire Wire Line
10350 4250 14050 4250
Entry Wire Line
14050 4250 14150 4350
Wire Wire Line
10350 4350 14050 4350
Entry Wire Line
14050 4350 14150 4450
Wire Wire Line
10350 4450 14050 4450
Entry Wire Line
14050 4450 14150 4550
Wire Wire Line
10350 4550 14050 4550
Entry Wire Line
14050 4550 14150 4650
Text Label 10450 4050 0 50 ~ 0
IOADDR4
Text Label 10450 4150 0 50 ~ 0
IOADDR3
Text Label 10450 4250 0 50 ~ 0
IOADDR2
Text Label 10450 4350 0 50 ~ 0
IOADDR1
Text Label 10450 4450 0 50 ~ 0
IOADDR0
Text Label 10450 4550 0 50 ~ 0
IOWR
$Comp
L power:GND #PWR026
U 1 1 6084A0EA
P 12350 7350
F 0 "#PWR026" H 12350 7100 50 0001 C CNN
F 1 "GND" H 12355 7177 50 0000 C CNN
F 2 "" H 12350 7350 50 0001 C CNN
F 3 "" H 12350 7350 50 0001 C CNN
1 12350 7350
1 0 0 -1
$EndComp
$Comp
L power:VCC #PWR025
U 1 1 60853D75
P 12350 5250
F 0 "#PWR025" H 12350 5100 50 0001 C CNN
F 1 "VCC" H 12367 5423 50 0000 C CNN
F 2 "" H 12350 5250 50 0001 C CNN
F 3 "" H 12350 5250 50 0001 C CNN
1 12350 5250
1 0 0 -1
$EndComp
$Comp
L Device:C C16
U 1 1 60853D7B
P 12750 5250
F 0 "C16" V 12498 5250 50 0000 C CNN
F 1 "100nF" V 12589 5250 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" H 12788 5100 50 0001 C CNN
F 3 "~" H 12750 5250 50 0001 C CNN
1 12750 5250
0 1 1 0
$EndComp
$Comp
L Device:C C17
U 1 1 60853D81
P 12750 5450
F 0 "C17" V 12498 5450 50 0000 C CNN
F 1 "56pF" V 12589 5450 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" H 12788 5300 50 0001 C CNN
F 3 "~" H 12750 5450 50 0001 C CNN
1 12750 5450
0 1 1 0
$EndComp
Wire Wire Line
12900 5250 12900 5350
$Comp
L power:GND #PWR029
U 1 1 60853D88
P 13000 5350
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
1 13000 5350
1 0 0 -1
$EndComp
Wire Wire Line
13000 5350 12900 5350
Connection ~ 12900 5350
Wire Wire Line
12900 5350 12900 5450
Wire Wire Line
12350 5250 12350 5350
Wire Wire Line
12600 5450 12600 5350
Wire Wire Line
12600 5350 12350 5350
Connection ~ 12600 5350
Wire Wire Line
12600 5350 12600 5250
Connection ~ 12350 5350
Wire Wire Line
12350 5350 12350 5750
Text Notes 12500 5650 0 50 ~ 0
Smoothing caps
Text HLabel 13150 6950 2 50 Input ~ 0
WR
Wire Wire Line
12850 6950 13150 6950
Text HLabel 13150 7050 2 50 Input ~ 0
IORQ
Wire Wire Line
12850 7050 13150 7050
$Comp
L 74xx:74HC245 U22
U 1 1 608489B5
P 12350 6550
F 0 "U22" H 12350 7531 50 0000 C CNN
F 1 "74HC245" H 12350 7440 50 0000 C CNN
F 2 "Package_DIP:DIP-20_W7.62mm_Socket_LongPads" H 12350 6550 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74HC245" H 12350 6550 50 0001 C CNN
1 12350 6550
-1 0 0 -1
$EndComp
Entry Wire Line
11450 5950 11550 6050
Wire Wire Line
11550 6050 11850 6050
Entry Wire Line
11450 6050 11550 6150
Wire Wire Line
11550 6150 11850 6150
Entry Wire Line
11450 6150 11550 6250
Wire Wire Line
11550 6250 11850 6250
Entry Wire Line
11450 6250 11550 6350
Wire Wire Line
11550 6350 11850 6350
Entry Wire Line
11450 6350 11550 6450
Wire Wire Line
11550 6450 11850 6450
Entry Wire Line
11450 6450 11550 6550
Wire Wire Line
11550 6550 11850 6550
Entry Wire Line
11450 6550 11550 6650
Wire Wire Line
11550 6650 11850 6650
Entry Wire Line
11450 6650 11550 6750
Wire Wire Line
11550 6750 11850 6750
Wire Bus Line
10350 5900 11450 5900
Connection ~ 10350 5900
Text Label 11550 6050 0 50 ~ 0
D0
Text Label 11550 6150 0 50 ~ 0
D1
Text Label 11550 6250 0 50 ~ 0
D2
Text Label 11550 6350 0 50 ~ 0
D3
Text Label 11550 6450 0 50 ~ 0
D4
Text Label 11550 6550 0 50 ~ 0
D5
Text Label 11550 6650 0 50 ~ 0
D6
Text Label 11550 6750 0 50 ~ 0
D7
Entry Wire Line
14050 6050 14150 6150
Wire Wire Line
14050 6050 12850 6050
Entry Wire Line
14050 6150 14150 6250
Wire Wire Line
14050 6150 12850 6150
Entry Wire Line
14050 6250 14150 6350
Wire Wire Line
14050 6250 12850 6250
Entry Wire Line
14050 6350 14150 6450
Wire Wire Line
14050 6350 12850 6350
Entry Wire Line
14050 6450 14150 6550
Wire Wire Line
14050 6450 12850 6450
Entry Wire Line
14050 6550 14150 6650
Wire Wire Line
14050 6550 12850 6550
Entry Wire Line
14050 6650 14150 6750
Wire Wire Line
14050 6650 12850 6650
Entry Wire Line
14050 6750 14150 6850
Wire Wire Line
14050 6750 12850 6750
Text Label 12900 6050 0 50 ~ 0
IOD0
Text Label 12900 6150 0 50 ~ 0
IOD1
Text Label 12900 6250 0 50 ~ 0
IOD2
Text Label 12900 6350 0 50 ~ 0
IOD3
Text Label 12900 6450 0 50 ~ 0
IOD4
Text Label 12900 6550 0 50 ~ 0
IOD5
Text Label 12900 6650 0 50 ~ 0
IOD6
Text Label 12900 6750 0 50 ~ 0
IOD7
Text Notes 11950 7750 0 50 ~ 0
I/O Data transceiver
$Comp
L power:GND #PWR010
U 1 1 60AC0139
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 3200 9800
F 0 "C7" H 3315 9846 50 0000 L CNN
F 1 "470uF" H 3315 9755 50 0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" 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 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
3200 9300 3200 9650
Wire Wire Line
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 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 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" 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 #PWR032
U 1 1 60AEC202
P 13700 2050
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
1 13700 2050
1 0 0 -1
$EndComp
$Comp
L power:VCC #PWR031
U 1 1 60AEC67F
P 13700 1550
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
1 13700 1550
1 0 0 -1
$EndComp
$Comp
L Device:C C20
U 1 1 60AED147
P 13700 1800
F 0 "C20" H 13815 1846 50 0000 L CNN
F 1 "470uF" H 13815 1755 50 0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" H 13738 1650 50 0001 C CNN
F 3 "~" H 13700 1800 50 0001 C CNN
1 13700 1800
1 0 0 -1
$EndComp
Wire Wire Line
13700 1550 13700 1600
Wire Wire Line
13700 1950 13700 2000
Connection ~ 13700 2000
Wire Wire Line
13700 2000 13700 2050
Connection ~ 13700 1600
Wire Wire Line
13700 1600 13700 1650
Entry Wire Line
14050 1600 14150 1700
Entry Wire Line
14050 2000 14150 2100
Text Label 13750 1600 0 50 ~ 0
IOVCC
Text Label 13750 2000 0 50 ~ 0
IOGND
Wire Wire Line
13700 2000 14050 2000
Wire Wire Line
13700 1600 14050 1600
$Comp
L Regulator_Linear:LM7805_TO220 U30
U 1 1 60B8B756
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 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 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" 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 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 "Capacitor_THT:CP_Radial_Tantal_D6.0mm_P5.00mm" 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
1600 9650 1850 9650
Wire Wire Line
2450 9650 2700 9650
Connection ~ 3200 9650
Connection ~ 2700 9650
Wire Wire Line
2700 9650 3200 9650
Wire Wire Line
1250 9800 1250 9950
Wire Wire Line
1250 9950 1600 9950
Connection ~ 3200 9950
Connection ~ 1600 9950
Wire Wire Line
1600 9950 2150 9950
Connection ~ 2150 9950
Wire Wire Line
2150 9950 2700 9950
Connection ~ 2700 9950
Wire Wire Line
2700 9950 3200 9950
Wire Wire Line
1250 9700 1250 9650
Wire Wire Line
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 IOBUS1
U 1 1 60940D54
P 2200 2800
F 0 "IOBUS1" H 2280 2792 50 0000 L CNN
F 1 "IO_bus_conn" H 2280 2701 50 0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x26_P2.54mm_Horizontal" 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 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" 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 J5
U 1 1 60B92792
P 2800 6650
F 0 "J5" V 2862 6694 50 0000 L CNN
F 1 "nmi" V 2953 6694 50 0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" 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
6000 6350 6000 7850
Wire Bus Line
6550 7100 9000 7100
Wire Bus Line
6550 8650 9000 8650
Wire Bus Line
7100 2150 7100 3650
Wire Bus Line
14150 1700 14150 7600
Wire Bus Line
1550 1150 1550 4000
$EndSCHEMATC
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