RC6502-Apple-1-Replica/RC6502 VDU/RC6502 VDU.sch

1739 lines
39 KiB
Plaintext

EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:switches
LIBS:relays
LIBS:motors
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:rc6502_backplane
LIBS:mounting
LIBS:oscillator
LIBS:mc6847
LIBS:rca_plug
LIBS:RC6502 VDU-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
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Date ""
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Comp ""
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A
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Wire Wire Line
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1 0 0 -1
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Wire Wire Line
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Wire Wire Line
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Connection ~ 6025 6900
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Connection ~ 4525 6900
Wire Wire Line
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Connection ~ 4825 6900
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Connection ~ 5125 6900
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Connection ~ 5425 6900
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Connection ~ 5725 6900
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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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Connection ~ 5725 7300
Wire Wire Line
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Connection ~ 5425 7300
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Connection ~ 5125 7300
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1 6025 7100
1 0 0 -1
$EndComp
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Wire Wire Line
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Connection ~ 4225 7300
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0 1 1 0
$EndComp
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1 10500 1975
0 1 1 0
$EndComp
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0 1 1 0
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0 1 1 0
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1 0 0 -1
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1 9650 4050
1 0 0 -1
$EndComp
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NoConn ~ 10400 4850
NoConn ~ 10400 4950
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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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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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1 8350 2425
-1 0 0 1
$EndComp
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1 0 0 -1
$EndComp
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1 0 0 -1
$EndComp
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1 0 0 -1
$EndComp
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$EndComp
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Text GLabel 7650 1125 0 60 Output ~ 0
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Text GLabel 7650 1225 0 60 Output ~ 0
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Text GLabel 7650 1325 0 60 Output ~ 0
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Text GLabel 7650 1425 0 60 Output ~ 0
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Text GLabel 7650 1525 0 60 Output ~ 0
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Text GLabel 7650 1625 0 60 Output ~ 0
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Text GLabel 7650 1725 0 60 Output ~ 0
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$Comp
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F 3 "" H 8350 5400 50 0001 C CNN
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-1 0 0 1
$EndComp
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Text GLabel 9050 5300 2 60 Input ~ 0
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Text GLabel 9050 5400 2 60 Input ~ 0
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Text GLabel 9050 5500 2 60 Input ~ 0
D4
Text GLabel 9050 5600 2 60 Input ~ 0
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Text GLabel 9050 5700 2 60 Input ~ 0
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Text GLabel 9050 5800 2 60 Input ~ 0
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Text GLabel 9050 5900 2 60 Input ~ 0
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$Comp
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F 0 "#PWR06" H 600 1325 50 0001 C CNN
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F 3 "" H 600 1575 50 0001 C CNN
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1 0 0 -1
$EndComp
$Comp
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F 3 "" H 9800 4975 50 0001 C CNN
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1 0 0 -1
$EndComp
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VD4
Text GLabel 7650 3825 0 60 BiDi ~ 0
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$Comp
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F 1 "MC6847" V 5600 1950 60 0000 C CNN
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$EndComp
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Text GLabel 4800 1350 0 60 Output ~ 0
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Text GLabel 4800 1450 0 60 Output ~ 0
VA3
Text GLabel 4800 1550 0 60 Output ~ 0
VA4
Text GLabel 4800 1650 0 60 Output ~ 0
VA5
Text GLabel 4800 1750 0 60 Output ~ 0
VA6
Text GLabel 4800 1850 0 60 Output ~ 0
VA7
Text GLabel 4800 2350 0 60 Output ~ 0
VA12
Text GLabel 4800 2250 0 60 Output ~ 0
VA11
Text GLabel 4800 2150 0 60 Output ~ 0
VA10
Text GLabel 4800 2050 0 60 Output ~ 0
VA9
Text GLabel 4800 1950 0 60 Output ~ 0
VA8
Text GLabel 925 6050 0 60 Input ~ 0
VA0
Text GLabel 925 6150 0 60 Input ~ 0
VA1
Text GLabel 925 6250 0 60 Input ~ 0
VA2
Text GLabel 925 6350 0 60 Input ~ 0
VA3
Text GLabel 925 6450 0 60 Input ~ 0
VA4
Text GLabel 925 6550 0 60 Input ~ 0
VA5
Text GLabel 925 6650 0 60 Input ~ 0
VA6
Text GLabel 925 6750 0 60 Input ~ 0
VA7
Text GLabel 925 7250 0 60 Input ~ 0
VA12
Text GLabel 925 7150 0 60 Input ~ 0
VA11
Text GLabel 925 7050 0 60 Input ~ 0
VA10
Text GLabel 925 6950 0 60 Input ~ 0
VA9
Text GLabel 925 6850 0 60 Input ~ 0
VA8
Text GLabel 7500 5800 0 60 Output ~ 0
VA14
Text GLabel 7500 5900 0 60 Output ~ 0
VA13
Text GLabel 925 7450 0 60 Input ~ 0
VA14
Text GLabel 925 7350 0 60 Input ~ 0
VA13
Wire Wire Line
925 7450 1075 7450
Wire Wire Line
925 7350 1075 7350
Wire Wire Line
925 7250 1075 7250
Wire Wire Line
925 7150 1075 7150
Wire Wire Line
925 7050 1075 7050
Wire Wire Line
925 6950 1075 6950
Wire Wire Line
925 6850 1075 6850
Wire Wire Line
925 6750 1075 6750
Wire Wire Line
925 6650 1075 6650
Wire Wire Line
925 6550 1075 6550
Wire Wire Line
925 6450 1075 6450
Wire Wire Line
925 6350 1075 6350
Wire Wire Line
925 6250 1075 6250
Wire Wire Line
925 6150 1075 6150
Wire Wire Line
925 6050 1075 6050
Text GLabel 2225 6750 2 60 BiDi ~ 0
VD7
Text GLabel 2225 6650 2 60 BiDi ~ 0
VD6
Text GLabel 2225 6550 2 60 BiDi ~ 0
VD5
Text GLabel 2225 6450 2 60 BiDi ~ 0
VD4
Text GLabel 2225 6350 2 60 BiDi ~ 0
VD3
Text GLabel 2225 6250 2 60 BiDi ~ 0
VD2
Text GLabel 2225 6150 2 60 BiDi ~ 0
VD1
Text GLabel 2225 6050 2 60 BiDi ~ 0
VD0
Wire Wire Line
2075 6650 2225 6650
Wire Wire Line
2075 6750 2225 6750
Wire Wire Line
2075 6550 2225 6550
Wire Wire Line
2075 6450 2225 6450
Wire Wire Line
2075 6350 2225 6350
Wire Wire Line
2075 6250 2225 6250
Wire Wire Line
2075 6150 2225 6150
Wire Wire Line
2075 6050 2225 6050
Text GLabel 6775 1850 2 60 Input ~ 0
VD7
Text GLabel 6400 1750 2 60 Input ~ 0
VD6
Text GLabel 6400 1650 2 60 Input ~ 0
VD5
Text GLabel 6400 1550 2 60 Input ~ 0
VD4
Text GLabel 6400 1450 2 60 Input ~ 0
VD3
Text GLabel 6400 1350 2 60 Input ~ 0
VD2
Text GLabel 6400 1250 2 60 Input ~ 0
VD1
Text GLabel 6400 1150 2 60 Input ~ 0
VD0
Wire Wire Line
6250 1750 6400 1750
Wire Wire Line
6250 1850 6700 1850
Wire Wire Line
6700 1850 6775 1850
Wire Wire Line
6250 1650 6400 1650
Wire Wire Line
6250 1550 6400 1550
Wire Wire Line
6250 1450 6400 1450
Wire Wire Line
6250 1350 6400 1350
Wire Wire Line
6250 1250 6400 1250
Wire Wire Line
6250 1150 6400 1150
Text GLabel 4400 2650 0 60 Input ~ 0
VDU_CLK
Wire Wire Line
4400 2650 4475 2650
Wire Wire Line
4475 2650 4950 2650
Wire Wire Line
4800 1750 4950 1750
Wire Wire Line
4800 1850 4950 1850
Wire Wire Line
4800 1650 4950 1650
Wire Wire Line
4800 1550 4950 1550
Wire Wire Line
4800 1450 4950 1450
Wire Wire Line
4800 1350 4950 1350
Wire Wire Line
4800 1250 4950 1250
Wire Wire Line
4800 1150 4950 1150
Wire Wire Line
4800 2250 4950 2250
Wire Wire Line
4800 2350 4950 2350
Wire Wire Line
4800 2150 4950 2150
Wire Wire Line
4800 2050 4950 2050
Wire Wire Line
4800 1950 4950 1950
NoConn ~ 6250 3050
NoConn ~ 6250 2950
Wire Wire Line
7500 5800 7650 5800
Wire Wire Line
7500 5900 7650 5900
Text GLabel 10400 4450 0 60 Input ~ 0
PHI0
$Comp
L Jumper_NO_Small JP2
U 1 1 5C05E5BB
P 3775 5775
F 0 "JP2" H 3775 5855 50 0000 C CNN
F 1 "PHI0_OUT" H 3785 5715 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 3775 5775 50 0001 C CNN
F 3 "" H 3775 5775 50 0001 C CNN
1 3775 5775
1 0 0 -1
$EndComp
Wire Wire Line
3575 6000 3575 5775
Connection ~ 3575 6000
Wire Wire Line
3575 5775 3675 5775
Text GLabel 3975 5775 2 60 Output ~ 0
PHI0
Wire Wire Line
3875 5775 3975 5775
$Comp
L GND #PWR08
U 1 1 5C0636E6
P 5600 3400
F 0 "#PWR08" H 5600 3150 50 0001 C CNN
F 1 "GND" H 5600 3250 50 0000 C CNN
F 2 "" H 5600 3400 50 0001 C CNN
F 3 "" H 5600 3400 50 0001 C CNN
1 5600 3400
1 0 0 -1
$EndComp
Wire Wire Line
6250 2250 6625 2250
Wire Wire Line
6700 1850 6700 2750
Wire Wire Line
6700 2750 6250 2750
Connection ~ 6700 1850
Text GLabel 6250 2050 2 60 Input ~ 0
G/~A
Text GLabel 7500 5700 0 60 Output ~ 0
G/~A
Text GLabel 6250 2150 2 60 Input ~ 0
S/~A
Text GLabel 7500 5600 0 60 Output ~ 0
S/~A
Text GLabel 6250 2350 2 60 Input ~ 0
GM2
Text GLabel 6250 2450 2 60 Input ~ 0
GM1
Text GLabel 6250 2550 2 60 Input ~ 0
GM0
Text GLabel 6250 2650 2 60 Input ~ 0
CSS
Text GLabel 7500 5200 0 60 Output ~ 0
CSS
Text GLabel 7500 5300 0 60 Output ~ 0
GM0
Text GLabel 7500 5400 0 60 Output ~ 0
GM1
Text GLabel 7500 5500 0 60 Output ~ 0
GM2
Wire Wire Line
7500 5200 7650 5200
Wire Wire Line
7650 5300 7500 5300
Wire Wire Line
7500 5400 7650 5400
Wire Wire Line
7650 5500 7500 5500
Wire Wire Line
7500 5600 7650 5600
Wire Wire Line
7650 5700 7500 5700
$Comp
L GND #PWR09
U 1 1 5C06A7C5
P 6625 2325
F 0 "#PWR09" H 6625 2075 50 0001 C CNN
F 1 "GND" H 6625 2175 50 0000 C CNN
F 2 "" H 6625 2325 50 0001 C CNN
F 3 "" H 6625 2325 50 0001 C CNN
1 6625 2325
1 0 0 -1
$EndComp
Wire Wire Line
6625 2250 6625 2325
$Comp
L VCC #PWR010
U 1 1 5C06AFB8
P 5600 750
F 0 "#PWR010" H 5600 600 50 0001 C CNN
F 1 "VCC" H 5600 900 50 0000 C CNN
F 2 "" H 5600 750 50 0001 C CNN
F 3 "" H 5600 750 50 0001 C CNN
1 5600 750
1 0 0 -1
$EndComp
Text GLabel 4800 2450 0 60 Input ~ 0
~VDU_DISABLE
Wire Wire Line
4800 2450 4950 2450
Text GLabel 3575 925 2 60 Output ~ 0
~VDU_DISABLE
Text Notes 3275 1225 0 60 ~ 0
Disable VDU when\naccessed externally
Wire Wire Line
3300 925 3150 925
Wire Wire Line
3150 925 3150 725
Connection ~ 3150 725
$Comp
L Jumper_NC_Small JP1
U 1 1 5C086A5B
P 3400 925
F 0 "JP1" H 3400 1005 50 0000 C CNN
F 1 "VDU_EN" H 3410 865 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 3400 925 50 0001 C CNN
F 3 "" H 3400 925 50 0001 C CNN
1 3400 925
1 0 0 -1
$EndComp
Wire Wire Line
3500 925 3575 925
Text GLabel 9050 5000 2 60 Input ~ 0
~CS_CTRL_EXT
Text GLabel 9200 725 2 60 Input ~ 0
~CS_RAM_EXT
Wire Wire Line
9050 725 9125 725
Wire Wire Line
9125 725 9200 725
Wire Wire Line
9125 725 9125 825
Wire Wire Line
9125 825 9050 825
Connection ~ 9125 725
Text GLabel 9200 1925 2 60 Input ~ 0
~CS_RAM_EXT
Wire Wire Line
9050 1925 9125 1925
Wire Wire Line
9125 1925 9200 1925
Wire Wire Line
9125 1925 9125 2025
Wire Wire Line
9125 2025 9050 2025
Connection ~ 9125 1925
Text GLabel 7650 4425 0 60 Input ~ 0
~CS_RAM_EXT
Text GLabel 2375 7000 2 60 Input ~ 0
RAM_RW
Wire Wire Line
2075 6900 2225 6900
Wire Wire Line
2375 7000 2075 7000
$Comp
L 74LS04 U8
U 2 1 5C0AA6EC
P 1575 5050
F 0 "U8" H 1770 5165 50 0000 C CNN
F 1 "74HCT04" H 1765 4925 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 1575 5050 50 0001 C CNN
F 3 "" H 1575 5050 50 0001 C CNN
2 1575 5050
1 0 0 -1
$EndComp
$Comp
L 74LS04 U8
U 4 1 5C0AA829
P 10450 1125
F 0 "U8" H 10645 1240 50 0000 C CNN
F 1 "74HCT04" H 10640 1000 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 10450 1125 50 0001 C CNN
F 3 "" H 10450 1125 50 0001 C CNN
4 10450 1125
0 1 1 0
$EndComp
$Comp
L GND #PWR011
U 1 1 5C0ADFE0
P 10775 975
F 0 "#PWR011" H 10775 725 50 0001 C CNN
F 1 "GND" H 10775 825 50 0000 C CNN
F 2 "" H 10775 975 50 0001 C CNN
F 3 "" H 10775 975 50 0001 C CNN
1 10775 975
1 0 0 -1
$EndComp
Wire Wire Line
2075 7150 2225 7150
Wire Wire Line
2225 6900 2225 7150
Wire Wire Line
2225 7150 2225 7225
NoConn ~ 10250 4350
$Comp
L 74HCT00 U9
U 1 1 5C0B0DF2
P 1425 3050
F 0 "U9" H 1425 3100 50 0000 C CNN
F 1 "74HCT00" H 1425 2950 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 1425 3050 50 0001 C CNN
F 3 "" H 1425 3050 50 0001 C CNN
1 1425 3050
1 0 0 -1
$EndComp
$Comp
L 74HCT00 U9
U 2 1 5C0B0E8A
P 2850 2475
F 0 "U9" H 2850 2525 50 0000 C CNN
F 1 "74HCT00" H 2850 2375 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 2850 2475 50 0001 C CNN
F 3 "" H 2850 2475 50 0001 C CNN
2 2850 2475
1 0 0 -1
$EndComp
$Comp
L 74HCT00 U9
U 3 1 5C0B0F08
P 2825 3525
F 0 "U9" H 2825 3575 50 0000 C CNN
F 1 "74HCT00" H 2825 3425 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 2825 3525 50 0001 C CNN
F 3 "" H 2825 3525 50 0001 C CNN
3 2825 3525
1 0 0 -1
$EndComp
$Comp
L 74HCT00 U9
U 4 1 5C0B0F8B
P 2325 4075
F 0 "U9" H 2325 4125 50 0000 C CNN
F 1 "74HCT00" H 2325 3975 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 2325 4075 50 0001 C CNN
F 3 "" H 2325 4075 50 0001 C CNN
4 2325 4075
1 0 0 -1
$EndComp
$Comp
L 74HCT00 U10
U 1 1 5C0B1035
P 2700 4850
F 0 "U10" H 2700 4900 50 0000 C CNN
F 1 "74HCT00" H 2700 4750 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 2700 4850 50 0001 C CNN
F 3 "" H 2700 4850 50 0001 C CNN
1 2700 4850
1 0 0 -1
$EndComp
$Comp
L 74HCT00 U10
U 2 1 5C0B10C6
P 4625 4325
F 0 "U10" H 4625 4375 50 0000 C CNN
F 1 "74HCT00" H 4625 4225 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 4625 4325 50 0001 C CNN
F 3 "" H 4625 4325 50 0001 C CNN
2 4625 4325
1 0 0 -1
$EndComp
$Comp
L 74HCT00 U10
U 3 1 5C0B1156
P 4625 3825
F 0 "U10" H 4625 3875 50 0000 C CNN
F 1 "74HCT00" H 4625 3725 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 4625 3825 50 0001 C CNN
F 3 "" H 4625 3825 50 0001 C CNN
3 4625 3825
1 0 0 -1
$EndComp
$Comp
L 74HCT00 U10
U 4 1 5C0B11E1
P 5950 4075
F 0 "U10" H 5950 4125 50 0000 C CNN
F 1 "74HCT00" H 5950 3975 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 5950 4075 50 0001 C CNN
F 3 "" H 5950 4075 50 0001 C CNN
4 5950 4075
1 0 0 -1
$EndComp
Text GLabel 975 2375 0 60 Input ~ 0
VDU_BASE
Text GLabel 825 2950 0 60 Input ~ 0
A10
Text GLabel 825 3150 0 60 Input ~ 0
A11
Text GLabel 825 3975 0 60 Input ~ 0
PHI2
Text GLabel 825 4175 0 60 Input ~ 0
R/~W
Wire Wire Line
2025 3050 2100 3050
Wire Wire Line
2100 3050 2175 3050
Wire Wire Line
2250 2575 2175 2575
Wire Wire Line
2175 2575 2175 2775
Wire Wire Line
2175 2775 3150 2775
Wire Wire Line
3150 2775 3150 3050
Wire Wire Line
3150 3050 3075 3050
Connection ~ 2100 3050
Wire Wire Line
2225 3425 2100 3425
Wire Wire Line
2100 3425 2100 3050
Wire Wire Line
1950 3625 2225 3625
Wire Wire Line
1950 3625 1950 2375
Wire Wire Line
1875 2375 1950 2375
Wire Wire Line
1950 2375 2250 2375
Connection ~ 1950 2375
Text GLabel 3575 3525 2 60 Output ~ 0
~CS_RAM_EXT
Text GLabel 3450 2475 2 60 Output ~ 0
~VDU_CTRL
Wire Wire Line
825 3975 1725 3975
Text GLabel 3075 4075 2 60 Output ~ 0
~VDU_WRITE
Wire Wire Line
9800 4900 9800 4975
Wire Wire Line
2025 5050 2100 5050
Wire Wire Line
2100 4650 2025 4650
Wire Wire Line
2100 5050 2100 4950
Wire Wire Line
2100 4750 2100 4650
Text GLabel 3300 4850 2 60 Output ~ 0
~CS_CTRL_EXT
Text GLabel 1125 4650 0 60 Input ~ 0
~VDU_CTRL
Text GLabel 1125 5050 0 60 Input ~ 0
~VDU_WRITE
Wire Wire Line
3425 3525 3500 3525
Wire Wire Line
3500 3525 3575 3525
Wire Wire Line
2925 4075 3000 4075
Wire Wire Line
3000 4075 3075 4075
Wire Wire Line
3000 4075 3000 4325
Connection ~ 3000 4075
Connection ~ 3500 3525
Wire Wire Line
5225 4325 5300 4325
Wire Wire Line
5300 4325 5300 4175
Wire Wire Line
5225 3825 5300 3825
Wire Wire Line
5300 3825 5300 3975
Wire Wire Line
5300 3975 5350 3975
Wire Wire Line
5300 4175 5350 4175
Text GLabel 6625 4075 2 60 Output ~ 0
RAM_RW
Wire Wire Line
10450 675 10775 675
$Comp
L C C9
U 1 1 5C0C5965
P 6325 7100
F 0 "C9" H 6350 7200 50 0000 L CNN
F 1 "100nF" H 6350 7000 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 6363 6950 50 0001 C CNN
F 3 "" H 6325 7100 50 0001 C CNN
1 6325 7100
1 0 0 -1
$EndComp
$Comp
L C C10
U 1 1 5C0C59F4
P 6600 7100
F 0 "C10" H 6625 7200 50 0000 L CNN
F 1 "100nF" H 6625 7000 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 6638 6950 50 0001 C CNN
F 3 "" H 6600 7100 50 0001 C CNN
1 6600 7100
1 0 0 -1
$EndComp
Wire Wire Line
6600 7250 6600 7300
Wire Wire Line
6600 7300 6600 7375
Connection ~ 6600 7300
Wire Wire Line
6600 6825 6600 6900
Wire Wire Line
6600 6900 6600 6950
Connection ~ 6600 6900
Wire Wire Line
6325 6900 6325 6950
Connection ~ 6325 6900
Wire Wire Line
6325 7250 6325 7300
Connection ~ 6325 7300
Wire Wire Line
3950 3925 4025 3925
Wire Wire Line
3950 3725 3950 3825
Wire Wire Line
3950 3825 3950 3925
Wire Wire Line
3950 3725 4025 3725
Wire Wire Line
3950 3825 3500 3825
Wire Wire Line
3500 3825 3500 3525
Connection ~ 3950 3825
Wire Wire Line
3950 4425 4025 4425
Wire Wire Line
3950 4225 3950 4325
Wire Wire Line
3950 4325 3950 4425
Wire Wire Line
3950 4225 4025 4225
Wire Wire Line
3000 4325 3950 4325
Connection ~ 3950 4325
Wire Wire Line
6625 4075 6550 4075
NoConn ~ 7650 1025
$Comp
L Jumper_NO_Small JP3
U 1 1 5C0D03FF
P 9375 4425
F 0 "JP3" H 9375 4505 50 0000 C CNN
F 1 "INT_ON_FS" H 9385 4365 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 9375 4425 50 0001 C CNN
F 3 "" H 9375 4425 50 0001 C CNN
1 9375 4425
1 0 0 -1
$EndComp
Wire Wire Line
9200 4425 9275 4425
Wire Wire Line
9475 4425 9675 4425
Wire Wire Line
9675 4425 9675 4550
Text GLabel 4800 2550 0 60 Output ~ 0
~FS
Wire Wire Line
4800 2550 4950 2550
$Comp
L Conn_01x05 J3
U 1 1 5C0D33B4
P 4675 3325
F 0 "J3" H 4675 3625 50 0000 C CNN
F 1 "VIDEO" H 4675 3025 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x05_Pitch2.54mm" H 4675 3325 50 0001 C CNN
F 3 "" H 4675 3325 50 0001 C CNN
1 4675 3325
0 1 1 0
$EndComp
Wire Wire Line
4950 3050 4875 3050
Wire Wire Line
4875 3050 4875 3125
Wire Wire Line
4775 3125 4775 2950
Wire Wire Line
4775 2950 4950 2950
Wire Wire Line
4675 3125 4675 2850
Wire Wire Line
4675 2850 4950 2850
Wire Wire Line
4575 3125 4575 2750
Wire Wire Line
4400 2750 4575 2750
Wire Wire Line
4575 2750 4950 2750
Wire Wire Line
4475 3125 4475 2650
Connection ~ 4475 2650
Connection ~ 4575 2750
Text GLabel 4400 2750 0 60 Output ~ 0
Y
$Comp
L PN2222A Q2
U 1 1 5C0D8044
P 6200 5600
F 0 "Q2" H 6400 5675 50 0000 L CNN
F 1 "PN2222A" H 6400 5600 50 0000 L CNN
F 2 "TO_SOT_Packages_THT:TO-92_Molded_Narrow" H 6400 5525 50 0001 L CIN
F 3 "" H 6200 5600 50 0001 L CNN
1 6200 5600
0 1 1 0
$EndComp
$Comp
L PN2222A Q1
U 1 1 5C0D851A
P 5400 5750
F 0 "Q1" H 5600 5825 50 0000 L CNN
F 1 "PN2222A" H 5600 5750 50 0000 L CNN
F 2 "TO_SOT_Packages_THT:TO-92_Molded_Narrow" H 5600 5675 50 0001 L CIN
F 3 "" H 5400 5750 50 0001 L CNN
1 5400 5750
0 1 1 0
$EndComp
Text GLabel 6650 5325 2 60 Input ~ 0
Y
$Comp
L R R5
U 1 1 5C0D8B35
P 6425 5325
F 0 "R5" V 6505 5325 50 0000 C CNN
F 1 "1k" V 6425 5325 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical" V 6355 5325 50 0001 C CNN
F 3 "" H 6425 5325 50 0001 C CNN
1 6425 5325
0 1 1 0
$EndComp
Wire Wire Line
6575 5325 6650 5325
Wire Wire Line
6125 5325 6200 5325
Wire Wire Line
6200 5325 6275 5325
Wire Wire Line
6200 5325 6200 5400
Wire Wire Line
6000 5700 5925 5700
Wire Wire Line
5925 5700 5925 5775
$Comp
L R R3
U 1 1 5C0D9C99
P 5925 5925
F 0 "R3" V 6005 5925 50 0000 C CNN
F 1 "180" V 5925 5925 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical" V 5855 5925 50 0001 C CNN
F 3 "" H 5925 5925 50 0001 C CNN
1 5925 5925
1 0 0 -1
$EndComp
$Comp
L GND #PWR013
U 1 1 5C0DA1BF
P 5925 6150
F 0 "#PWR013" H 5925 5900 50 0001 C CNN
F 1 "GND" H 5925 6000 50 0000 C CNN
F 2 "" H 5925 6150 50 0001 C CNN
F 3 "" H 5925 6150 50 0001 C CNN
1 5925 6150
1 0 0 -1
$EndComp
Wire Wire Line
5925 6150 5925 6075
$Comp
L R R4
U 1 1 5C0DAB87
P 5975 5325
F 0 "R4" V 6055 5325 50 0000 C CNN
F 1 "6.2k" V 5975 5325 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical" V 5905 5325 50 0001 C CNN
F 3 "" H 5975 5325 50 0001 C CNN
1 5975 5325
0 1 1 0
$EndComp
$Comp
L R R2
U 1 1 5C0DACBD
P 5750 5100
F 0 "R2" V 5830 5100 50 0000 C CNN
F 1 "1k" V 5750 5100 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical" V 5680 5100 50 0001 C CNN
F 3 "" H 5750 5100 50 0001 C CNN
1 5750 5100
-1 0 0 1
$EndComp
Connection ~ 6200 5325
$Comp
L VCC #PWR014
U 1 1 5C0DBAFF
P 5750 4875
F 0 "#PWR014" H 5750 4725 50 0001 C CNN
F 1 "VCC" H 5750 5025 50 0000 C CNN
F 2 "" H 5750 4875 50 0001 C CNN
F 3 "" H 5750 4875 50 0001 C CNN
1 5750 4875
1 0 0 -1
$EndComp
Wire Wire Line
5750 4875 5750 4950
Wire Wire Line
6400 5700 6450 5700
Wire Wire Line
6450 5700 6450 5475
Wire Wire Line
6450 5475 5750 5475
Wire Wire Line
5750 5475 5400 5475
Wire Wire Line
5750 5250 5750 5325
Wire Wire Line
5750 5325 5750 5475
Wire Wire Line
5750 5325 5825 5325
Connection ~ 5750 5325
Wire Wire Line
5400 5475 5400 5550
Connection ~ 5750 5475
$Comp
L VCC #PWR015
U 1 1 5C0DD54D
P 5675 5775
F 0 "#PWR015" H 5675 5625 50 0001 C CNN
F 1 "VCC" H 5675 5925 50 0000 C CNN
F 2 "" H 5675 5775 50 0001 C CNN
F 3 "" H 5675 5775 50 0001 C CNN
1 5675 5775
1 0 0 -1
$EndComp
Wire Wire Line
5600 5850 5675 5850
Wire Wire Line
5675 5850 5675 5775
$Comp
L R R1
U 1 1 5C0DDB64
P 5125 6075
F 0 "R1" V 5205 6075 50 0000 C CNN
F 1 "1k" V 5125 6075 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical" V 5055 6075 50 0001 C CNN
F 3 "" H 5125 6075 50 0001 C CNN
1 5125 6075
-1 0 0 1
$EndComp
Wire Wire Line
5125 5925 5125 5850
Wire Wire Line
5050 5850 5125 5850
Wire Wire Line
5125 5850 5200 5850
Wire Wire Line
5125 6225 5125 6300
$Comp
L GND #PWR016
U 1 1 5C0DE051
P 5125 6300
F 0 "#PWR016" H 5125 6050 50 0001 C CNN
F 1 "GND" H 5125 6150 50 0000 C CNN
F 2 "" H 5125 6300 50 0001 C CNN
F 3 "" H 5125 6300 50 0001 C CNN
1 5125 6300
1 0 0 -1
$EndComp
$Comp
L RCA_PLUG J8
U 1 1 5C0DE558
P 4900 5850
F 0 "J8" H 4910 5970 50 0000 C CNN
F 1 "RCA_PLUG" V 5015 5850 50 0000 C CNN
F 2 "rca:rca_yellow" H 4900 5850 50 0001 C CNN
F 3 "" H 4900 5850 50 0001 C CNN
1 4900 5850
-1 0 0 1
$EndComp
Connection ~ 5125 5850
$Comp
L GND #PWR017
U 1 1 5C0DF101
P 4625 5725
F 0 "#PWR017" H 4625 5475 50 0001 C CNN
F 1 "GND" H 4625 5575 50 0000 C CNN
F 2 "" H 4625 5725 50 0001 C CNN
F 3 "" H 4625 5725 50 0001 C CNN
1 4625 5725
1 0 0 -1
$EndComp
Wire Wire Line
4625 5725 4625 5575
Wire Wire Line
4625 5575 4900 5575
Wire Wire Line
4900 5575 4900 5650
Text Notes 7025 6875 0 60 ~ 0
Display adapter based on the Motorola 6847 Video Display Generator (VDG), this maps\ninto the memory space and does not follow the designs of the Apple 1 computer,\ninstead it is only intended for use with the RC6502 computer.
Wire Wire Line
9825 4050 10400 4050
$Comp
L GND #PWR?
U 1 1 5C0ECDB6
P 2225 7225
F 0 "#PWR?" H 2225 6975 50 0001 C CNN
F 1 "GND" H 2225 7075 50 0000 C CNN
F 2 "" H 2225 7225 50 0001 C CNN
F 3 "" H 2225 7225 50 0001 C CNN
1 2225 7225
1 0 0 -1
$EndComp
Connection ~ 2225 7150
Wire Wire Line
9825 4050 9825 4225
$Comp
L GND #PWR?
U 1 1 5C0EE352
P 9825 4225
F 0 "#PWR?" H 9825 3975 50 0001 C CNN
F 1 "GND" H 9825 4075 50 0000 C CNN
F 2 "" H 9825 4225 50 0001 C CNN
F 3 "" H 9825 4225 50 0001 C CNN
1 9825 4225
1 0 0 -1
$EndComp
$EndSCHEMATC