penguin86/pato-z80-home-computer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Reset circuit

Browse Source
This commit is contained in:
Daniele Verducci su MatissePenguin
2021-03-15 20:12:23 +01:00
parent d2c3aa9bb2
commit 2a0750a06e
6 changed files with 968 additions and 322 deletions
Download Patch File Download Diff File Expand all files Collapse all files

380
pat80-computer/hardware/schematics/pat80/pat80.sch-bak
View File

@ -18,28 +18,6 @@ Pat80 Z80 home computer
Text Notes 8150 7650 0 50 ~ 0
2021-03-15
$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
$Comp
L idleengineer:HM62256BLP-7 U2
U 1 1 604FA19C
P 6700 3350
F 0 "U2" V 6746 2506 50 0000 R CNN
F 1 "256k (32k x 8) SRAM" V 6655 2506 50 0000 R CNN
F 2 "DIP28" H 6700 3350 50 0001 C CIN
F 3 "" H 6700 3350 50 0001 C CNN
1 6700 3350
0 -1 -1 0
$EndComp
$Comp
L Memory_EEPROM:28C256 U3
U 1 1 604F6B81
P 6850 1700
@ -239,97 +217,95 @@ A13
Text Label 7350 2150 3 50 ~ 0
A14
Entry Wire Line
5950 3950 5850 4050
5950 3750 5850 3850
Entry Wire Line
6050 3950 5950 4050
6050 3750 5950 3850
Entry Wire Line
6150 3950 6050 4050
6150 3750 6050 3850
Entry Wire Line
6250 3950 6150 4050
6250 3750 6150 3850
Entry Wire Line
6350 3950 6250 4050
6350 3750 6250 3850
Entry Wire Line
6450 3950 6350 4050
6450 3750 6350 3850
Entry Wire Line
6550 3950 6450 4050
6550 3750 6450 3850
Entry Wire Line
6650 3950 6550 4050
6650 3750 6550 3850
Entry Wire Line
6750 3950 6650 4050
6750 3750 6650 3850
Entry Wire Line
6850 3950 6750 4050
6850 3750 6750 3850
Entry Wire Line
6950 3950 6850 4050
6950 3750 6850 3850
Entry Wire Line
7050 3950 6950 4050
7050 3750 6950 3850
Entry Wire Line
7150 3950 7050 4050
7150 3750 7050 3850
Entry Wire Line
7250 3950 7150 4050
7250 3750 7150 3850
Entry Wire Line
7350 3950 7250 4050
7350 3750 7250 3850
Wire Wire Line
5950 3950 5950 3850
5950 3750 5950 3650
Wire Wire Line
6050 3950 6050 3850
6050 3750 6050 3650
Wire Wire Line
6150 3950 6150 3850
6150 3750 6150 3650
Wire Wire Line
6250 3950 6250 3850
6250 3750 6250 3650
Wire Wire Line
6350 3950 6350 3850
6350 3750 6350 3650
Wire Wire Line
6450 3950 6450 3850
6450 3750 6450 3650
Wire Wire Line
6550 3950 6550 3850
6550 3750 6550 3650
Wire Wire Line
6650 3950 6650 3850
6650 3750 6650 3650
Wire Wire Line
6750 3950 6750 3850
6750 3750 6750 3650
Wire Wire Line
6850 3950 6850 3850
6850 3750 6850 3650
Wire Wire Line
6950 3950 6950 3850
6950 3750 6950 3650
Wire Wire Line
7050 3950 7050 3850
7050 3750 7050 3650
Wire Wire Line
7150 3950 7150 3850
7150 3750 7150 3650
Wire Wire Line
7250 3950 7250 3850
7250 3750 7250 3650
Wire Wire Line
7350 3950 7350 3850
Wire Bus Line
5100 4050 5100 3050
7350 3750 7350 3650
Connection ~ 5100 3050
Text Label 5950 3900 3 50 ~ 0
Text Label 5950 3700 3 50 ~ 0
A0
Text Label 6050 3900 3 50 ~ 0
Text Label 6050 3700 3 50 ~ 0
A1
Text Label 6150 3900 3 50 ~ 0
Text Label 6150 3700 3 50 ~ 0
A2
Text Label 6250 3900 3 50 ~ 0
Text Label 6250 3700 3 50 ~ 0
A3
Text Label 6350 3900 3 50 ~ 0
Text Label 6350 3700 3 50 ~ 0
A4
Text Label 6450 3900 3 50 ~ 0
Text Label 6450 3700 3 50 ~ 0
A5
Text Label 6550 3900 3 50 ~ 0
Text Label 6550 3700 3 50 ~ 0
A6
Text Label 6650 3900 3 50 ~ 0
Text Label 6650 3700 3 50 ~ 0
A7
Text Label 6750 3900 3 50 ~ 0
Text Label 6750 3700 3 50 ~ 0
A8
Text Label 6850 3900 3 50 ~ 0
Text Label 6850 3700 3 50 ~ 0
A9
Text Label 6950 3900 3 50 ~ 0
Text Label 6950 3700 3 50 ~ 0
A10
Text Label 7050 3900 3 50 ~ 0
Text Label 7050 3700 3 50 ~ 0
A11
Text Label 7150 3900 3 50 ~ 0
Text Label 7150 3700 3 50 ~ 0
A12
Text Label 7250 3900 3 50 ~ 0
Text Label 7250 3700 3 50 ~ 0
A13
Text Label 7350 3900 3 50 ~ 0
Text Label 7350 3700 3 50 ~ 0
A14
Entry Wire Line
4150 3150 4250 3250
@ -486,6 +462,270 @@ 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
@ -497,5 +737,5 @@ Wire Bus Line
Wire Bus Line
5100 2300 7250 2300
Wire Bus Line
5100 4050 7250 4050
5100 3850 7250 3850
$EndSCHEMATC