penguin86/pato-z80-home-computer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
2a0750a06e
pato-z80-home-computer/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
Daniele Verducci su MatissePenguin 2a0750a06e Reset circuit
2021-03-15 20:12:23 +01:00

742 lines
14 KiB
Plaintext
Raw Blame History

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Notes 7400 7500 0 50 ~ 0
Pat80 Z80 home computer
Text Notes 8150 7650 0 50 ~ 0
2021-03-15
$Comp
L Memory_EEPROM:28C256 U3
U 1 1 604F6B81
P 6850 1700
F 0 "U3" V 6896 556 50 0000 R CNN
F 1 "256k (32k x 8) EEPROM" V 6805 556 50 0000 R CNN
F 2 "" H 6850 1700 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 6850 1700 50 0001 C CNN
1 6850 1700
0 -1 -1 0
$EndComp
Entry Wire Line
4150 1550 4250 1650
Entry Wire Line
4150 1650 4250 1750
Entry Wire Line
4150 1750 4250 1850
Entry Wire Line
4150 1850 4250 1950
Entry Wire Line
4150 1950 4250 2050
Entry Wire Line
4150 2050 4250 2150
Entry Wire Line
4150 2150 4250 2250
Entry Wire Line
4150 2250 4250 2350
Entry Wire Line
4150 2350 4250 2450
Entry Wire Line
4150 2450 4250 2550
Entry Wire Line
4150 2550 4250 2650
Entry Wire Line
4150 2650 4250 2750
Entry Wire Line
4150 2750 4250 2850
Entry Wire Line
4150 2850 4250 2950
Entry Wire Line
4150 2950 4250 3050
Wire Bus Line
4250 3050 5100 3050
Wire Wire Line
3850 1450 4150 1450
Wire Wire Line
3850 1550 4150 1550
Wire Wire Line
3850 1650 4150 1650
Wire Wire Line
3850 1750 4150 1750
Wire Wire Line
3850 1850 4150 1850
Wire Wire Line
3850 1950 4150 1950
Wire Wire Line
3850 2050 4150 2050
Wire Wire Line
3850 2150 4150 2150
Wire Wire Line
3850 2250 4150 2250
Wire Wire Line
3850 2350 4150 2350
Wire Wire Line
3850 2450 4150 2450
Wire Wire Line
3850 2550 4150 2550
Wire Wire Line
3850 2650 4150 2650
Wire Wire Line
3850 2750 4150 2750
Wire Wire Line
3850 2850 4150 2850
Wire Wire Line
3850 2950 4150 2950
Entry Wire Line
5950 2200 5850 2300
Entry Wire Line
6050 2200 5950 2300
Entry Wire Line
6150 2200 6050 2300
Entry Wire Line
6250 2200 6150 2300
Entry Wire Line
6350 2200 6250 2300
Entry Wire Line
6450 2200 6350 2300
Entry Wire Line
6550 2200 6450 2300
Entry Wire Line
6650 2200 6550 2300
Entry Wire Line
6750 2200 6650 2300
Entry Wire Line
6850 2200 6750 2300
Entry Wire Line
6950 2200 6850 2300
Entry Wire Line
7050 2200 6950 2300
Entry Wire Line
7150 2200 7050 2300
Entry Wire Line
7250 2200 7150 2300
Entry Wire Line
7350 2200 7250 2300
Wire Wire Line
5950 2100 5950 2200
Wire Wire Line
6050 2100 6050 2200
Wire Wire Line
6150 2100 6150 2200
Wire Wire Line
6250 2100 6250 2200
Wire Wire Line
6350 2100 6350 2200
Wire Wire Line
6450 2100 6450 2200
Wire Wire Line
6550 2100 6550 2200
Wire Wire Line
6650 2100 6650 2200
Wire Wire Line
6750 2100 6750 2200
Wire Wire Line
6850 2100 6850 2200
Wire Wire Line
6950 2100 6950 2200
Wire Wire Line
7050 2100 7050 2200
Wire Wire Line
7150 2100 7150 2200
Wire Wire Line
7250 2100 7250 2200
Wire Wire Line
7350 2100 7350 2200
Wire Bus Line
5100 3050 5100 2300
Text Label 3950 1450 0 50 ~ 0
A0
Text Label 3950 1550 0 50 ~ 0
A1
Text Label 3950 1650 0 50 ~ 0
A2
Text Label 3950 1750 0 50 ~ 0
A3
Text Label 3950 1850 0 50 ~ 0
A4
Text Label 3950 1950 0 50 ~ 0
A5
Text Label 3950 2050 0 50 ~ 0
A6
Text Label 3950 2150 0 50 ~ 0
A7
Text Label 3950 2250 0 50 ~ 0
A8
Text Label 3950 2350 0 50 ~ 0
A9
Text Label 3950 2450 0 50 ~ 0
A10
Text Label 3950 2550 0 50 ~ 0
A11
Text Label 3950 2650 0 50 ~ 0
A12
Text Label 3950 2750 0 50 ~ 0
A13
Text Label 3950 2850 0 50 ~ 0
A14
Text Label 3950 2950 0 50 ~ 0
A15
Text Label 5950 2150 3 50 ~ 0
A0
Text Label 6050 2150 3 50 ~ 0
A1
Text Label 6150 2150 3 50 ~ 0
A2
Text Label 6250 2150 3 50 ~ 0
A3
Text Label 6350 2150 3 50 ~ 0
A4
Text Label 6450 2150 3 50 ~ 0
A5
Text Label 6550 2150 3 50 ~ 0
A6
Text Label 6650 2150 3 50 ~ 0
A7
Text Label 6750 2150 3 50 ~ 0
A8
Text Label 6850 2150 3 50 ~ 0
A9
Text Label 6950 2150 3 50 ~ 0
A10
Text Label 7050 2150 3 50 ~ 0
A11
Text Label 7150 2150 3 50 ~ 0
A12
Text Label 7250 2150 3 50 ~ 0
A13
Text Label 7350 2150 3 50 ~ 0
A14
Entry Wire Line
5950 3750 5850 3850
Entry Wire Line
6050 3750 5950 3850
Entry Wire Line
6150 3750 6050 3850
Entry Wire Line
6250 3750 6150 3850
Entry Wire Line
6350 3750 6250 3850
Entry Wire Line
6450 3750 6350 3850
Entry Wire Line
6550 3750 6450 3850
Entry Wire Line
6650 3750 6550 3850
Entry Wire Line
6750 3750 6650 3850
Entry Wire Line
6850 3750 6750 3850
Entry Wire Line
6950 3750 6850 3850
Entry Wire Line
7050 3750 6950 3850
Entry Wire Line
7150 3750 7050 3850
Entry Wire Line
7250 3750 7150 3850
Entry Wire Line
7350 3750 7250 3850
Wire Wire Line
5950 3750 5950 3650
Wire Wire Line
6050 3750 6050 3650
Wire Wire Line
6150 3750 6150 3650
Wire Wire Line
6250 3750 6250 3650
Wire Wire Line
6350 3750 6350 3650
Wire Wire Line
6450 3750 6450 3650
Wire Wire Line
6550 3750 6550 3650
Wire Wire Line
6650 3750 6650 3650
Wire Wire Line
6750 3750 6750 3650
Wire Wire Line
6850 3750 6850 3650
Wire Wire Line
6950 3750 6950 3650
Wire Wire Line
7050 3750 7050 3650
Wire Wire Line
7150 3750 7150 3650
Wire Wire Line
7250 3750 7250 3650
Wire Wire Line
7350 3750 7350 3650
Connection ~ 5100 3050
Text Label 5950 3700 3 50 ~ 0
A0
Text Label 6050 3700 3 50 ~ 0
A1
Text Label 6150 3700 3 50 ~ 0
A2
Text Label 6250 3700 3 50 ~ 0
A3
Text Label 6350 3700 3 50 ~ 0
A4
Text Label 6450 3700 3 50 ~ 0
A5
Text Label 6550 3700 3 50 ~ 0
A6
Text Label 6650 3700 3 50 ~ 0
A7
Text Label 6750 3700 3 50 ~ 0
A8
Text Label 6850 3700 3 50 ~ 0
A9
Text Label 6950 3700 3 50 ~ 0
A10
Text Label 7050 3700 3 50 ~ 0
A11
Text Label 7150 3700 3 50 ~ 0
A12
Text Label 7250 3700 3 50 ~ 0
A13
Text Label 7350 3700 3 50 ~ 0
A14
Entry Wire Line
4150 3150 4250 3250
Entry Wire Line
4150 3150 4250 3250
Entry Wire Line
4150 3250 4250 3350
Entry Wire Line
4150 3350 4250 3450
Entry Wire Line
4150 3450 4250 3550
Entry Wire Line
4150 3550 4250 3650
Entry Wire Line
4150 3650 4250 3750
Entry Wire Line
4150 3750 4250 3850
Entry Wire Line
4150 3850 4250 3950
Wire Wire Line
3850 3150 4150 3150
Wire Wire Line
3850 3250 4150 3250
Wire Wire Line
3850 3350 4150 3350
Wire Wire Line
3850 3450 4150 3450
Wire Wire Line
3850 3550 4150 3550
Wire Wire Line
3850 3650 4150 3650
Wire Wire Line
3850 3750 4150 3750
Wire Wire Line
3850 3850 4150 3850
Wire Bus Line
4250 4350 8600 4350
Entry Wire Line
5950 2750 6050 2650
Entry Wire Line
6150 2650 6050 2750
Entry Wire Line
6250 2650 6150 2750
Entry Wire Line
6350 2650 6250 2750
Entry Wire Line
6450 2650 6350 2750
Entry Wire Line
6550 2650 6450 2750
Entry Wire Line
6650 2650 6550 2750
Entry Wire Line
6750 2650 6650 2750
Wire Wire Line
5950 2850 5950 2750
Wire Wire Line
6050 2850 6050 2750
Wire Wire Line
6150 2850 6150 2750
Wire Wire Line
6250 2850 6250 2750
Wire Wire Line
6350 2850 6350 2750
Wire Wire Line
6450 2850 6450 2750
Wire Wire Line
6550 2850 6550 2750
Wire Wire Line
6650 2850 6650 2750
Wire Bus Line
8600 2650 8600 4350
Entry Wire Line
6050 1100 5950 1200
Entry Wire Line
6150 1100 6050 1200
Entry Wire Line
6250 1100 6150 1200
Entry Wire Line
6350 1100 6250 1200
Entry Wire Line
6450 1100 6350 1200
Entry Wire Line
6550 1100 6450 1200
Entry Wire Line
6650 1100 6550 1200
Entry Wire Line
6750 1100 6650 1200
Wire Wire Line
5950 1300 5950 1200
Wire Wire Line
6050 1300 6050 1200
Wire Wire Line
6150 1300 6150 1200
Wire Wire Line
6250 1300 6250 1200
Wire Wire Line
6350 1300 6350 1200
Wire Wire Line
6450 1300 6450 1200
Wire Wire Line
6550 1300 6550 1200
Wire Wire Line
6650 1300 6650 1200
Wire Bus Line
8600 1100 8600 2650
Connection ~ 8600 2650
Text Label 5950 1200 3 50 ~ 0
D0
Text Label 6050 1200 3 50 ~ 0
D1
Text Label 6150 1200 3 50 ~ 0
D2
Text Label 6250 1200 3 50 ~ 0
D3
Text Label 6350 1200 3 50 ~ 0
D4
Text Label 6450 1200 3 50 ~ 0
D5
Text Label 6550 1200 3 50 ~ 0
D6
Text Label 6650 1200 3 50 ~ 0
D7
Text Label 5950 2750 3 50 ~ 0
D0
Text Label 6050 2750 3 50 ~ 0
D1
Text Label 6150 2750 3 50 ~ 0
D2
Text Label 6250 2750 3 50 ~ 0
D3
Text Label 6350 2750 3 50 ~ 0
D4
Text Label 6450 2750 3 50 ~ 0
D5
Text Label 6550 2750 3 50 ~ 0
D6
Text Label 6650 2750 3 50 ~ 0
D7
Text Label 3950 3150 0 50 ~ 0
D0
Text Label 3950 3250 0 50 ~ 0
D1
Text Label 3950 3350 0 50 ~ 0
D2
Text Label 3950 3450 0 50 ~ 0
D3
Text Label 3950 3550 0 50 ~ 0
D4
Text Label 3950 3650 0 50 ~ 0
D5
Text Label 3950 3750 0 50 ~ 0
D6
Text Label 3950 3850 0 50 ~ 0
D7
Entry Wire Line
4150 1450 4250 1550
$Comp
L Memory_EEPROM:28C256 U4
U 1 1 604FD5C5
P 6850 3250
F 0 "U4" V 6896 2106 50 0000 R CNN
F 1 "256k (32k x 8) SRAM" V 6805 2106 50 0000 R CNN
F 2 "" H 6850 3250 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 6850 3250 50 0001 C CNN
1 6850 3250
0 -1 -1 0
$EndComp
Wire Bus Line
5100 3850 5100 3050
$Comp
L power:GND #PWR?
U 1 1 60507104
P 7950 1700
F 0 "#PWR?" H 7950 1450 50 0001 C CNN
F 1 "GND" H 7955 1527 50 0000 C CNN
F 2 "" H 7950 1700 50 0001 C CNN
F 3 "" H 7950 1700 50 0001 C CNN
1 7950 1700
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 6050737A
P 7950 3250
F 0 "#PWR?" H 7950 3000 50 0001 C CNN
F 1 "GND" H 7955 3077 50 0000 C CNN
F 2 "" H 7950 3250 50 0001 C CNN
F 3 "" H 7950 3250 50 0001 C CNN
1 7950 3250
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 605076F8
P 3150 4150
F 0 "#PWR?" H 3150 3900 50 0001 C CNN
F 1 "GND" H 3155 3977 50 0000 C CNN
F 2 "" H 3150 4150 50 0001 C CNN
F 3 "" H 3150 4150 50 0001 C CNN
1 3150 4150
1 0 0 -1
$EndComp
$Comp
L power:VCC #PWR?
U 1 1 60507B8E
P 3150 650
F 0 "#PWR?" H 3150 500 50 0001 C CNN
F 1 "VCC" H 3167 823 50 0000 C CNN
F 2 "" H 3150 650 50 0001 C CNN
F 3 "" H 3150 650 50 0001 C CNN
1 3150 650
1 0 0 -1
$EndComp
$Comp
L power:VCC #PWR?
U 1 1 60507E3C
P 5750 1700
F 0 "#PWR?" H 5750 1550 50 0001 C CNN
F 1 "VCC" H 5767 1873 50 0000 C CNN
F 2 "" H 5750 1700 50 0001 C CNN
F 3 "" H 5750 1700 50 0001 C CNN
1 5750 1700
1 0 0 -1
$EndComp
$Comp
L power:VCC #PWR?
U 1 1 605080EF
P 5750 3250
F 0 "#PWR?" H 5750 3100 50 0001 C CNN
F 1 "VCC" H 5767 3423 50 0000 C CNN
F 2 "" H 5750 3250 50 0001 C CNN
F 3 "" H 5750 3250 50 0001 C CNN
1 5750 3250
1 0 0 -1
$EndComp
$Comp
L power:VCC #PWR?
U 1 1 60508CD5
P 2450 3750
F 0 "#PWR?" H 2450 3600 50 0001 C CNN
F 1 "VCC" H 2467 3923 50 0000 C CNN
F 2 "" H 2450 3750 50 0001 C CNN
F 3 "" H 2450 3750 50 0001 C CNN
1 2450 3750
1 0 0 -1
$EndComp
$Comp
L CPU:Z80CPU U1
U 1 1 604F040E
P 3150 2650
F 0 "U1" H 3150 4331 50 0000 C CNN
F 1 "Z80CPU" H 3150 4240 50 0000 C CNN
F 2 "" H 3150 3050 50 0001 C CNN
F 3 "www.zilog.com/manage_directlink.php?filepath=docs/z80/um0080" H 3150 3050 50 0001 C CNN
1 3150 2650
1 0 0 -1
$EndComp
Wire Wire Line
2450 2650 2300 2650
$Comp
L power:VCC #PWR?
U 1 1 6050EE1E
P 2300 2650
F 0 "#PWR?" H 2300 2500 50 0001 C CNN
F 1 "VCC" H 2317 2823 50 0000 C CNN
F 2 "" H 2300 2650 50 0001 C CNN
F 3 "" H 2300 2650 50 0001 C CNN
1 2300 2650
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS32 U?
U 1 1 6051C888
P 1700 1450
F 0 "U?" H 1700 1775 50 0000 C CNN
F 1 "74LS32" H 1700 1684 50 0000 C CNN
F 2 "" H 1700 1450 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 1700 1450 50 0001 C CNN
1 1700 1450
1 0 0 -1
$EndComp
$Comp
L Switch:SW_Push SW1
U 1 1 60528DA4
P 950 1750
F 0 "SW1" V 950 1702 50 0000 R CNN
F 1 "SW_Push" V 905 1702 50 0001 R CNN
F 2 "" H 950 1950 50 0001 C CNN
F 3 "" H 950 1950 50 0001 C CNN
1 950 1750
0 -1 -1 0
$EndComp
$Comp
L Device:C C?
U 1 1 6052B4C4
P 1300 1750
F 0 "C?" H 1415 1796 50 0000 L CNN
F 1 "10uF" H 1415 1705 50 0000 L CNN
F 2 "" H 1338 1600 50 0001 C CNN
F 3 "~" H 1300 1750 50 0001 C CNN
1 1300 1750
1 0 0 -1
$EndComp
Wire Wire Line
1300 1600 1300 1450
Wire Wire Line
1300 1450 950 1450
Wire Wire Line
950 1450 950 1550
Wire Wire Line
1300 1900 1300 1950
$Comp
L power:VCC #PWR?
U 1 1 60530F78
P 950 900
F 0 "#PWR?" H 950 750 50 0001 C CNN
F 1 "VCC" H 967 1073 50 0000 C CNN
F 2 "" H 950 900 50 0001 C CNN
F 3 "" H 950 900 50 0001 C CNN
1 950 900
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 605315B7
P 950 2100
F 0 "#PWR?" H 950 1850 50 0001 C CNN
F 1 "GND" H 955 1927 50 0000 C CNN
F 2 "" H 950 2100 50 0001 C CNN
F 3 "" H 950 2100 50 0001 C CNN
1 950 2100
1 0 0 -1
$EndComp
Wire Wire Line
950 1950 950 2100
Wire Wire Line
950 1950 1300 1950
Connection ~ 950 1950
Wire Wire Line
1400 1350 1400 1450
Wire Wire Line
1300 1450 1400 1450
Connection ~ 1300 1450
Connection ~ 1400 1450
Wire Wire Line
1400 1450 1400 1550
Wire Wire Line
2000 1450 2450 1450
$Comp
L Device:C C?
U 1 1 6055A1F9
P 3550 650
F 0 "C?" V 3298 650 50 0000 C CNN
F 1 "100nF" V 3389 650 50 0000 C CNN
F 2 "" H 3588 500 50 0001 C CNN
F 3 "~" H 3550 650 50 0001 C CNN
1 3550 650
0 1 1 0
$EndComp
$Comp
L Device:C C?
U 1 1 6055A9DD
P 3550 850
F 0 "C?" V 3298 850 50 0000 C CNN
F 1 "56pF" V 3389 850 50 0000 C CNN
F 2 "" H 3588 700 50 0001 C CNN
F 3 "~" H 3550 850 50 0001 C CNN
1 3550 850
0 1 1 0
$EndComp
Wire Wire Line
3700 650 3700 750
$Comp
L power:GND #PWR?
U 1 1 60567CC3
P 3800 750
F 0 "#PWR?" H 3800 500 50 0001 C CNN
F 1 "GND" H 3805 577 50 0000 C CNN
F 2 "" H 3800 750 50 0001 C CNN
F 3 "" H 3800 750 50 0001 C CNN
1 3800 750
1 0 0 -1
$EndComp
Wire Wire Line
3800 750 3700 750
Connection ~ 3700 750
Wire Wire Line
3700 750 3700 850
Wire Wire Line
3150 650 3150 750
Wire Wire Line
3400 850 3400 750
Wire Wire Line
3400 750 3150 750
Connection ~ 3400 750
Wire Wire Line
3400 750 3400 650
Connection ~ 3150 750
Wire Wire Line
3150 750 3150 1150
Text Notes 3300 1050 0 50 ~ 0
Smoothing caps
Text Notes 750 2500 0 50 ~ 0
Reset circuit with debouncing\nand power-on-reset
$Comp
L Device:R R?
U 1 1 60584118
P 950 1200
F 0 "R?" H 1020 1246 50 0000 L CNN
F 1 "270k" H 1020 1155 50 0000 L CNN
F 2 "" V 880 1200 50 0001 C CNN
F 3 "~" H 950 1200 50 0001 C CNN
1 950 1200
1 0 0 -1
$EndComp
Wire Wire Line
950 1350 950 1450
Connection ~ 950 1450
Wire Wire Line
950 1050 950 900
Wire Bus Line
6050 1100 8600 1100
Wire Bus Line
6050 2650 8600 2650
Wire Bus Line
4250 3250 4250 4350
Wire Bus Line
4250 1550 4250 3050
Wire Bus Line
5100 2300 7250 2300
Wire Bus Line
5100 3850 7250 3850
$EndSCHEMATC
Reference in New Issue View Git Blame Copy Permalink