Apple-1-HW/RC6502-Apple-1-Replica
1
0
Fork 0
mirror of https://github.com/tebl/RC6502-Apple-1-Replica.git synced 2024-11-24 11:30:55 +00:00
Code Issues Projects Releases Wiki Activity
6b8fa61b8c
RC6502-Apple-1-Replica/RC6502 Terminal/RC6502 Terminal.sch
Tor-Eirik Bakke Lunde 040b2d877d Terminal silkscreen got striped
2020-01-22 00:25:57 +01:00

1806 lines
38 KiB
Plaintext
Raw Blame History

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:mc6821
LIBS:atmega328_mcu
LIBS:rca_plug
LIBS:link_power
LIBS:ps2_connector
LIBS:RC6502 Terminal-cache
EELAYER 25 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L RC6502_Backplane J1
U 1 1 5E248C66
P 14975 6400
F 0 "J1" H 14975 8400 50 0000 C CNN
F 1 "RC6502_Backplane" V 15425 6350 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x39_Pitch2.54mm" H 14975 6400 50 0001 C CNN
F 3 "" H 14975 6400 50 0001 C CNN
1 14975 6400
1 0 0 1
$EndComp
Text Label 14475 6400 0 60 ~ 0
~RESET
Text Label 14475 6500 0 60 ~ 0
PHI2
Text Label 14475 6000 0 60 ~ 0
R/~W
$Comp
L VCC #PWR01
U 1 1 5E248EA0
P 14175 6525
F 0 "#PWR01" H 14175 6375 50 0001 C CNN
F 1 "VCC" H 14175 6675 50 0000 C CNN
F 2 "" H 14175 6525 50 0001 C CNN
F 3 "" H 14175 6525 50 0001 C CNN
1 14175 6525
1 0 0 -1
$EndComp
$Comp
L GND #PWR02
U 1 1 5E248ECA
P 14175 6775
F 0 "#PWR02" H 14175 6525 50 0001 C CNN
F 1 "GND" H 14175 6625 50 0000 C CNN
F 2 "" H 14175 6775 50 0001 C CNN
F 3 "" H 14175 6775 50 0001 C CNN
1 14175 6775
1 0 0 -1
$EndComp
Entry Wire Line
14350 5900 14450 6000
Entry Wire Line
14350 6400 14450 6500
Entry Wire Line
14350 6300 14450 6400
Text Label 14475 5700 0 60 ~ 0
D0
Text Label 14475 5600 0 60 ~ 0
D1
Text Label 14475 5500 0 60 ~ 0
D2
Text Label 14475 5400 0 60 ~ 0
D3
Text Label 14475 5300 0 60 ~ 0
D4
Text Label 14475 5200 0 60 ~ 0
D5
Text Label 14475 5100 0 60 ~ 0
D6
Text Label 14475 5000 0 60 ~ 0
D7
$Comp
L MC6821 U1
U 1 1 5E249286
P 12200 6675
F 0 "U1" H 12200 6775 50 0000 C CNN
F 1 "MC6821" H 12200 6575 50 0000 C CNN
F 2 "Housings_DIP:DIP-40_W15.24mm_Socket_LongPads" H 12200 6675 50 0001 C CNN
F 3 "" H 12200 6675 50 0001 C CNN
1 12200 6675
-1 0 0 -1
$EndComp
Entry Wire Line
14350 4900 14450 5000
Entry Wire Line
14350 5000 14450 5100
Entry Wire Line
14350 5100 14450 5200
Entry Wire Line
14350 5200 14450 5300
Entry Wire Line
14350 5300 14450 5400
Entry Wire Line
14350 5400 14450 5500
Entry Wire Line
14350 5500 14450 5600
Entry Wire Line
14350 5600 14450 5700
Text Label 13150 6825 2 60 ~ 0
D0
Text Label 13150 6925 2 60 ~ 0
D1
Text Label 13150 7025 2 60 ~ 0
D2
Text Label 13150 7125 2 60 ~ 0
D3
Text Label 13150 7225 2 60 ~ 0
D4
Text Label 13150 7325 2 60 ~ 0
D5
Text Label 13150 7425 2 60 ~ 0
D6
Text Label 13150 7525 2 60 ~ 0
D7
Entry Wire Line
13275 7625 13175 7525
Entry Wire Line
13275 7525 13175 7425
Entry Wire Line
13275 7425 13175 7325
Entry Wire Line
13275 7325 13175 7225
Entry Wire Line
13275 7225 13175 7125
Entry Wire Line
13275 7125 13175 7025
Entry Wire Line
13275 7025 13175 6925
Entry Wire Line
13275 6925 13175 6825
Entry Wire Line
13275 6325 13175 6225
Entry Wire Line
13275 6225 13175 6125
Entry Wire Line
13275 6125 13175 6025
Entry Wire Line
13275 6025 13175 5925
Entry Wire Line
13275 5925 13175 5825
Text Label 13150 6125 2 60 ~ 0
R/~W
Text Label 13150 6025 2 60 ~ 0
PHI2
Text Label 13150 6225 2 60 ~ 0
~RESET
$Comp
L VCC #PWR03
U 1 1 5E249690
P 12200 5325
F 0 "#PWR03" H 12200 5175 50 0001 C CNN
F 1 "VCC" H 12200 5475 50 0000 C CNN
F 2 "" H 12200 5325 50 0001 C CNN
F 3 "" H 12200 5325 50 0001 C CNN
1 12200 5325
1 0 0 -1
$EndComp
Text Label 14475 6800 0 60 ~ 0
A0
Text Label 14475 6900 0 60 ~ 0
A1
Text Label 14475 7200 0 60 ~ 0
A4
Text Label 14475 8000 0 60 ~ 0
A12
Text Label 14475 8100 0 60 ~ 0
A13
Text Label 14475 8200 0 60 ~ 0
A14
Text Label 14475 8300 0 60 ~ 0
A15
Entry Wire Line
14350 6900 14450 6800
Entry Wire Line
14350 7000 14450 6900
Entry Wire Line
14350 8100 14450 8000
Entry Wire Line
14350 8200 14450 8100
Entry Wire Line
14350 8300 14450 8200
Entry Wire Line
14350 8400 14450 8300
Entry Wire Line
14350 7300 14450 7200
Text Label 13150 5825 2 60 ~ 0
A0
Text Label 13150 5925 2 60 ~ 0
A1
$Comp
L GND #PWR04
U 1 1 5E249CED
P 12200 8200
F 0 "#PWR04" H 12200 7950 50 0001 C CNN
F 1 "GND" H 12200 8050 50 0000 C CNN
F 2 "" H 12200 8200 50 0001 C CNN
F 3 "" H 12200 8200 50 0001 C CNN
1 12200 8200
1 0 0 -1
$EndComp
NoConn ~ 12850 6425
NoConn ~ 12850 6525
$Comp
L 74LS138 U2
U 1 1 5E249EB5
P 12200 4500
F 0 "U2" H 12300 5000 50 0000 C CNN
F 1 "74LS138" H 12200 4000 50 0000 C CNN
F 2 "Housings_DIP:DIP-16_W7.62mm_Socket_LongPads" H 12200 4500 50 0001 C CNN
F 3 "" H 12200 4500 50 0001 C CNN
1 12200 4500
1 0 0 -1
$EndComp
Text Label 11300 4150 0 60 ~ 0
A12
Text Label 11300 4250 0 60 ~ 0
A13
Text Label 11300 4350 0 60 ~ 0
A14
Text Label 11300 4650 0 60 ~ 0
A15
Entry Wire Line
11175 4250 11275 4150
Entry Wire Line
11175 4350 11275 4250
Entry Wire Line
11175 4450 11275 4350
Entry Wire Line
11175 4750 11275 4650
$Comp
L GND #PWR05
U 1 1 5E24A03F
P 11525 4925
F 0 "#PWR05" H 11525 4675 50 0001 C CNN
F 1 "GND" H 11525 4775 50 0000 C CNN
F 2 "" H 11525 4925 50 0001 C CNN
F 3 "" H 11525 4925 50 0001 C CNN
1 11525 4925
1 0 0 -1
$EndComp
$Comp
L VCC #PWR06
U 1 1 5E25A167
P 13050 5525
F 0 "#PWR06" H 13050 5375 50 0001 C CNN
F 1 "VCC" H 13050 5675 50 0000 C CNN
F 2 "" H 13050 5525 50 0001 C CNN
F 3 "" H 13050 5525 50 0001 C CNN
1 13050 5525
1 0 0 -1
$EndComp
NoConn ~ 12800 4850
NoConn ~ 12800 4750
NoConn ~ 12800 4550
NoConn ~ 12800 4450
NoConn ~ 12800 4350
NoConn ~ 12800 4250
NoConn ~ 12800 4150
NoConn ~ 14775 7900
NoConn ~ 14775 7800
NoConn ~ 14775 7700
NoConn ~ 14775 7600
NoConn ~ 14775 7500
NoConn ~ 14775 7400
NoConn ~ 14775 7300
NoConn ~ 14775 7100
NoConn ~ 14775 7000
NoConn ~ 14775 6100
NoConn ~ 14775 6200
NoConn ~ 14775 5900
NoConn ~ 14775 5800
NoConn ~ 14775 4900
NoConn ~ 14775 4800
NoConn ~ 14775 4700
$Comp
L Link_Power JP1
U 1 1 5E25AF74
P 2575 1400
F 0 "JP1" H 2575 1480 50 0000 C CNN
F 1 "KBD_PWR" H 2585 1340 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 2575 1400 50 0001 C CNN
F 3 "" H 2575 1400 50 0001 C CNN
1 2575 1400
0 -1 -1 0
$EndComp
$Comp
L Conn_01x06 J2
U 1 1 5E25B19C
P 1200 2300
F 0 "J2" H 1200 2600 50 0000 C CNN
F 1 "KBD_SER" V 1300 2300 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x06_Pitch2.54mm" H 1200 2300 50 0001 C CNN
F 3 "" H 1200 2300 50 0001 C CNN
1 1200 2300
-1 0 0 -1
$EndComp
$Comp
L GND #PWR07
U 1 1 5E25B34C
P 2575 5075
F 0 "#PWR07" H 2575 4825 50 0001 C CNN
F 1 "GND" H 2575 4925 50 0000 C CNN
F 2 "" H 2575 5075 50 0001 C CNN
F 3 "" H 2575 5075 50 0001 C CNN
1 2575 5075
1 0 0 -1
$EndComp
$Comp
L Crystal_Small Y1
U 1 1 5E25BD20
P 2575 3375
F 0 "Y1" H 2575 3500 50 0000 C CNN
F 1 "16Mhz" H 2575 3275 50 0000 C CNN
F 2 "Crystals:Crystal_HC49-4H_Vertical" H 2575 3375 50 0001 C CNN
F 3 "" H 2575 3375 50 0001 C CNN
1 2575 3375
0 1 1 0
$EndComp
$Comp
L C_Small C6
U 1 1 5E25C0EA
P 2225 3225
F 0 "C6" V 2275 3275 50 0000 L CNN
F 1 "22pF" V 2100 3125 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2225 3225 50 0001 C CNN
F 3 "" H 2225 3225 50 0001 C CNN
1 2225 3225
0 1 1 0
$EndComp
$Comp
L C_Small C10
U 1 1 5E25C2E6
P 2225 3525
F 0 "C10" V 2275 3575 50 0000 L CNN
F 1 "22pF" V 2100 3450 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2225 3525 50 0001 C CNN
F 3 "" H 2225 3525 50 0001 C CNN
1 2225 3525
0 1 1 0
$EndComp
$Comp
L GND #PWR08
U 1 1 5E25C401
P 2050 3600
F 0 "#PWR08" H 2050 3350 50 0001 C CNN
F 1 "GND" H 2050 3450 50 0000 C CNN
F 2 "" H 2050 3600 50 0001 C CNN
F 3 "" H 2050 3600 50 0001 C CNN
1 2050 3600
1 0 0 -1
$EndComp
$Comp
L GND #PWR09
U 1 1 5E25CE66
P 1475 2675
F 0 "#PWR09" H 1475 2425 50 0001 C CNN
F 1 "GND" H 1475 2525 50 0000 C CNN
F 2 "" H 1475 2675 50 0001 C CNN
F 3 "" H 1475 2675 50 0001 C CNN
1 1475 2675
1 0 0 -1
$EndComp
NoConn ~ 1400 2500
$Comp
L VCC #PWR010
U 1 1 5E25D24B
P 2575 1225
F 0 "#PWR010" H 2575 1075 50 0001 C CNN
F 1 "VCC" H 2575 1375 50 0000 C CNN
F 2 "" H 2575 1225 50 0001 C CNN
F 3 "" H 2575 1225 50 0001 C CNN
1 2575 1225
1 0 0 -1
$EndComp
$Comp
L R R1
U 1 1 5E25D3E9
P 2475 1875
F 0 "R1" V 2555 1875 50 0000 C CNN
F 1 "10k" V 2475 1875 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2405 1875 50 0001 C CNN
F 3 "" H 2475 1875 50 0001 C CNN
1 2475 1875
-1 0 0 1
$EndComp
$Comp
L C_Small C4
U 1 1 5E25D964
P 2075 2100
F 0 "C4" V 2175 2075 50 0000 L CNN
F 1 "100nF" V 1950 2000 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2075 2100 50 0001 C CNN
F 3 "" H 2075 2100 50 0001 C CNN
1 2075 2100
0 -1 -1 0
$EndComp
$Comp
L C_Small C7
U 1 1 5E25F695
P 2850 1800
F 0 "C7" V 2950 1775 50 0000 L CNN
F 1 "100nF" V 2725 1700 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2850 1800 50 0001 C CNN
F 3 "" H 2850 1800 50 0001 C CNN
1 2850 1800
0 -1 -1 0
$EndComp
$Comp
L GND #PWR011
U 1 1 5E25F92F
P 3025 1875
F 0 "#PWR011" H 3025 1625 50 0001 C CNN
F 1 "GND" H 3025 1725 50 0000 C CNN
F 2 "" H 3025 1875 50 0001 C CNN
F 3 "" H 3025 1875 50 0001 C CNN
1 3025 1875
1 0 0 -1
$EndComp
$Comp
L SW_Push SW1
U 1 1 5E260A4C
P 2025 1650
F 0 "SW1" H 2075 1750 50 0000 L CNN
F 1 "KBD_RES" H 2025 1590 50 0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm" H 2025 1850 50 0001 C CNN
F 3 "" H 2025 1850 50 0001 C CNN
1 2025 1650
1 0 0 -1
$EndComp
$Comp
L GND #PWR012
U 1 1 5E260B4B
P 1750 1725
F 0 "#PWR012" H 1750 1475 50 0001 C CNN
F 1 "GND" H 1750 1575 50 0000 C CNN
F 2 "" H 1750 1725 50 0001 C CNN
F 3 "" H 1750 1725 50 0001 C CNN
1 1750 1725
1 0 0 -1
$EndComp
Entry Wire Line
11125 6825 11225 6925
Entry Wire Line
11125 6925 11225 7025
Entry Wire Line
11125 7025 11225 7125
Entry Wire Line
11125 7125 11225 7225
Entry Wire Line
11125 7225 11225 7325
Entry Wire Line
11125 7325 11225 7425
Entry Wire Line
11125 6725 11225 6825
Text Label 11250 6825 0 60 ~ 0
VID0
Text Label 11250 6925 0 60 ~ 0
VID1
Text Label 11250 7025 0 60 ~ 0
VID2
Text Label 11250 7125 0 60 ~ 0
VID3
Text Label 11250 7225 0 60 ~ 0
VID4
Text Label 11250 7325 0 60 ~ 0
VID5
Text Label 11250 7425 0 60 ~ 0
VID6
Entry Wire Line
11125 5525 11225 5625
Entry Wire Line
11125 5625 11225 5725
Entry Wire Line
11125 5725 11225 5825
Entry Wire Line
11125 5825 11225 5925
Entry Wire Line
11125 5925 11225 6025
Entry Wire Line
11125 6025 11225 6125
Entry Wire Line
11125 5425 11225 5525
Text Label 11250 5525 0 60 ~ 0
KBD0
Text Label 11250 5625 0 60 ~ 0
KBD1
Text Label 11250 5725 0 60 ~ 0
KBD2
Text Label 11250 5825 0 60 ~ 0
KBD3
Text Label 11250 5925 0 60 ~ 0
KBD4
Text Label 11250 6025 0 60 ~ 0
KBD5
Text Label 11250 6125 0 60 ~ 0
KBD6
$Comp
L VCC #PWR013
U 1 1 5E26719B
P 11000 6150
F 0 "#PWR013" H 11000 6000 50 0001 C CNN
F 1 "VCC" H 11000 6300 50 0000 C CNN
F 2 "" H 11000 6150 50 0001 C CNN
F 3 "" H 11000 6150 50 0001 C CNN
1 11000 6150
1 0 0 -1
$EndComp
NoConn ~ 11550 6525
Text GLabel 11475 7725 0 60 Input ~ 0
RDA
$Comp
L 74LS00 U3
U 1 1 5E268866
P 10425 7825
F 0 "U3" H 10425 7875 50 0000 C CNN
F 1 "74LS00" H 10425 7725 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket_LongPads" H 10425 7825 50 0001 C CNN
F 3 "" H 10425 7825 50 0001 C CNN
1 10425 7825
-1 0 0 1
$EndComp
Text GLabel 9400 7525 0 60 Output ~ 0
DA
$Comp
L C_Small C9
U 1 1 5E26983F
P 9650 7825
F 0 "C9" V 9750 7800 50 0000 L CNN
F 1 "10nF" V 9525 7725 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 9650 7825 50 0001 C CNN
F 3 "" H 9650 7825 50 0001 C CNN
1 9650 7825
0 -1 -1 0
$EndComp
Text GLabel 11475 6425 0 60 Input ~ 0
STROBE
$Comp
L Conn_02x03_Odd_Even J4
U 1 1 5E26FA0A
P 4975 2000
F 0 "J4" H 5025 2200 50 0000 C CNN
F 1 "KBD_ICSP" H 5025 1800 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_2x03_Pitch2.54mm" H 4975 2000 50 0001 C CNN
F 3 "" H 4975 2000 50 0001 C CNN
1 4975 2000
1 0 0 -1
$EndComp
$Comp
L GND #PWR014
U 1 1 5E27010B
P 5350 2175
F 0 "#PWR014" H 5350 1925 50 0001 C CNN
F 1 "GND" H 5350 2025 50 0000 C CNN
F 2 "" H 5350 2175 50 0001 C CNN
F 3 "" H 5350 2175 50 0001 C CNN
1 5350 2175
1 0 0 -1
$EndComp
NoConn ~ 4550 2675
NoConn ~ 4550 4675
$Comp
L Link_Power JP2
U 1 1 5E27D879
P 2575 6350
F 0 "JP2" H 2575 6430 50 0000 C CNN
F 1 "VID_PWR" H 2585 6290 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 2575 6350 50 0001 C CNN
F 3 "" H 2575 6350 50 0001 C CNN
1 2575 6350
0 -1 -1 0
$EndComp
$Comp
L Conn_01x06 J3
U 1 1 5E27D87F
P 1250 7250
F 0 "J3" H 1250 7550 50 0000 C CNN
F 1 "VID_SER" V 1350 7250 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x06_Pitch2.54mm" H 1250 7250 50 0001 C CNN
F 3 "" H 1250 7250 50 0001 C CNN
1 1250 7250
-1 0 0 -1
$EndComp
$Comp
L GND #PWR015
U 1 1 5E27D889
P 2575 10025
F 0 "#PWR015" H 2575 9775 50 0001 C CNN
F 1 "GND" H 2575 9875 50 0000 C CNN
F 2 "" H 2575 10025 50 0001 C CNN
F 3 "" H 2575 10025 50 0001 C CNN
1 2575 10025
1 0 0 -1
$EndComp
$Comp
L ATMEGA328_MCU U5
U 1 1 5E27D88F
P 3550 8725
F 0 "U5" H 2800 9975 50 0000 L BNN
F 1 "ATMEGA328_MCU" H 3950 7325 50 0000 L BNN
F 2 "Housings_DIP:DIP-28_W7.62mm_Socket" H 3550 8725 50 0001 C CIN
F 3 "" H 3550 8725 50 0001 C CNN
1 3550 8725
1 0 0 -1
$EndComp
$Comp
L Crystal_Small Y2
U 1 1 5E27D895
P 2575 8325
F 0 "Y2" H 2575 8450 50 0000 C CNN
F 1 "16Mhz" H 2575 8225 50 0000 C CNN
F 2 "Crystals:Crystal_HC49-4H_Vertical" H 2575 8325 50 0001 C CNN
F 3 "" H 2575 8325 50 0001 C CNN
1 2575 8325
0 1 1 0
$EndComp
$Comp
L C_Small C11
U 1 1 5E27D89B
P 2225 8175
F 0 "C11" V 2275 8225 50 0000 L CNN
F 1 "22pF" V 2100 8075 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2225 8175 50 0001 C CNN
F 3 "" H 2225 8175 50 0001 C CNN
1 2225 8175
0 1 1 0
$EndComp
$Comp
L C_Small C12
U 1 1 5E27D8A5
P 2225 8475
F 0 "C12" V 2275 8525 50 0000 L CNN
F 1 "22pF" V 2100 8400 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2225 8475 50 0001 C CNN
F 3 "" H 2225 8475 50 0001 C CNN
1 2225 8475
0 1 1 0
$EndComp
$Comp
L GND #PWR016
U 1 1 5E27D8AD
P 2050 8550
F 0 "#PWR016" H 2050 8300 50 0001 C CNN
F 1 "GND" H 2050 8400 50 0000 C CNN
F 2 "" H 2050 8550 50 0001 C CNN
F 3 "" H 2050 8550 50 0001 C CNN
1 2050 8550
1 0 0 -1
$EndComp
$Comp
L GND #PWR017
U 1 1 5E27D8B7
P 1525 7625
F 0 "#PWR017" H 1525 7375 50 0001 C CNN
F 1 "GND" H 1525 7475 50 0000 C CNN
F 2 "" H 1525 7625 50 0001 C CNN
F 3 "" H 1525 7625 50 0001 C CNN
1 1525 7625
1 0 0 -1
$EndComp
NoConn ~ 1450 7450
$Comp
L VCC #PWR018
U 1 1 5E27D8BE
P 2575 6175
F 0 "#PWR018" H 2575 6025 50 0001 C CNN
F 1 "VCC" H 2575 6325 50 0000 C CNN
F 2 "" H 2575 6175 50 0001 C CNN
F 3 "" H 2575 6175 50 0001 C CNN
1 2575 6175
1 0 0 -1
$EndComp
$Comp
L R R2
U 1 1 5E27D8C7
P 2475 6825
F 0 "R2" V 2555 6825 50 0000 C CNN
F 1 "10k" V 2475 6825 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2405 6825 50 0001 C CNN
F 3 "" H 2475 6825 50 0001 C CNN
1 2475 6825
-1 0 0 1
$EndComp
$Comp
L C_Small C5
U 1 1 5E27D8D2
P 2075 7050
F 0 "C5" V 2175 7025 50 0000 L CNN
F 1 "100nF" V 1950 6950 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2075 7050 50 0001 C CNN
F 3 "" H 2075 7050 50 0001 C CNN
1 2075 7050
0 -1 -1 0
$EndComp
$Comp
L C_Small C8
U 1 1 5E27D8E5
P 2850 6750
F 0 "C8" V 2950 6725 50 0000 L CNN
F 1 "100nF" V 2725 6650 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2850 6750 50 0001 C CNN
F 3 "" H 2850 6750 50 0001 C CNN
1 2850 6750
0 -1 -1 0
$EndComp
$Comp
L GND #PWR019
U 1 1 5E27D8EB
P 3025 6825
F 0 "#PWR019" H 3025 6575 50 0001 C CNN
F 1 "GND" H 3025 6675 50 0000 C CNN
F 2 "" H 3025 6825 50 0001 C CNN
F 3 "" H 3025 6825 50 0001 C CNN
1 3025 6825
1 0 0 -1
$EndComp
$Comp
L SW_Push SW2
U 1 1 5E27D8FC
P 2025 6600
F 0 "SW2" H 2075 6700 50 0000 L CNN
F 1 "VID_RES" H 2025 6540 50 0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm" H 2025 6800 50 0001 C CNN
F 3 "" H 2025 6800 50 0001 C CNN
1 2025 6600
1 0 0 -1
$EndComp
$Comp
L GND #PWR020
U 1 1 5E27D902
P 1750 6675
F 0 "#PWR020" H 1750 6425 50 0001 C CNN
F 1 "GND" H 1750 6525 50 0000 C CNN
F 2 "" H 1750 6675 50 0001 C CNN
F 3 "" H 1750 6675 50 0001 C CNN
1 1750 6675
1 0 0 -1
$EndComp
$Comp
L RCA_PLUG J6
U 1 1 5E27D90D
P 5675 8200
F 0 "J6" H 5685 8320 50 0000 C CNN
F 1 "AUDIO" V 5790 8200 50 0000 C CNN
F 2 "rca:rca_yellow" H 5675 8200 50 0001 C CNN
F 3 "" H 5675 8200 50 0001 C CNN
1 5675 8200
1 0 0 -1
$EndComp
$Comp
L GND #PWR021
U 1 1 5E27D914
P 5675 8550
F 0 "#PWR021" H 5675 8300 50 0001 C CNN
F 1 "GND" H 5675 8400 50 0000 C CNN
F 2 "" H 5675 8550 50 0001 C CNN
F 3 "" H 5675 8550 50 0001 C CNN
1 5675 8550
1 0 0 -1
$EndComp
$Comp
L D_Small D2
U 1 1 5E27D91B
P 5825 9925
F 0 "D2" H 5775 10025 50 0000 L CNN
F 1 "1n4148" H 5675 9845 50 0000 L CNN
F 2 "Diodes_THT:D_DO-35_SOD27_P7.62mm_Horizontal" V 5825 9925 50 0001 C CNN
F 3 "" V 5825 9925 50 0001 C CNN
1 5825 9925
-1 0 0 -1
$EndComp
$Comp
L D_Small D1
U 1 1 5E27D921
P 5825 7725
F 0 "D1" H 5775 7825 50 0000 L CNN
F 1 "1n4148" H 5675 7645 50 0000 L CNN
F 2 "Diodes_THT:D_DO-35_SOD27_P7.62mm_Horizontal" V 5825 7725 50 0001 C CNN
F 3 "" V 5825 7725 50 0001 C CNN
1 5825 7725
-1 0 0 -1
$EndComp
$Comp
L R R3
U 1 1 5E27D928
P 6150 7725
F 0 "R3" V 6230 7725 50 0000 C CNN
F 1 "1k" V 6150 7725 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6080 7725 50 0001 C CNN
F 3 "" H 6150 7725 50 0001 C CNN
1 6150 7725
0 1 1 0
$EndComp
$Comp
L R R4
U 1 1 5E27D92F
P 6150 9925
F 0 "R4" V 6230 9925 50 0000 C CNN
F 1 "330" V 6150 9925 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6080 9925 50 0001 C CNN
F 3 "" H 6150 9925 50 0001 C CNN
1 6150 9925
0 1 1 0
$EndComp
$Comp
L RCA_PLUG J7
U 1 1 5E27D936
P 6825 7725
F 0 "J7" H 6835 7845 50 0000 C CNN
F 1 "VIDEO" V 6940 7725 50 0000 C CNN
F 2 "rca:rca_yellow" H 6825 7725 50 0001 C CNN
F 3 "" H 6825 7725 50 0001 C CNN
1 6825 7725
1 0 0 -1
$EndComp
$Comp
L GND #PWR022
U 1 1 5E27D93F
P 6825 8075
F 0 "#PWR022" H 6825 7825 50 0001 C CNN
F 1 "GND" H 6825 7925 50 0000 C CNN
F 2 "" H 6825 8075 50 0001 C CNN
F 3 "" H 6825 8075 50 0001 C CNN
1 6825 8075
1 0 0 -1
$EndComp
$Comp
L R R5
U 1 1 5E27D945
P 6600 8000
F 0 "R5" V 6680 8000 50 0000 C CNN
F 1 "75" V 6600 8000 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6530 8000 50 0001 C CNN
F 3 "" H 6600 8000 50 0001 C CNN
1 6600 8000
0 -1 -1 0
$EndComp
Text GLabel 4625 9425 2 60 Input ~ 0
DA
Text GLabel 4625 9525 2 60 Output ~ 0
RDA
Entry Wire Line
4975 8475 4875 8575
Entry Wire Line
4975 8575 4875 8675
Entry Wire Line
4975 8675 4875 8775
Entry Wire Line
4975 8775 4875 8875
Entry Wire Line
4975 8875 4875 8975
Entry Wire Line
4975 9625 4875 9725
Entry Wire Line
4975 8375 4875 8475
Text Label 4850 8475 2 60 ~ 0
VID0
Text Label 4850 8575 2 60 ~ 0
VID1
Text Label 4850 8675 2 60 ~ 0
VID2
Text Label 4850 8775 2 60 ~ 0
VID3
Text Label 4850 8875 2 60 ~ 0
VID4
Text Label 4850 8975 2 60 ~ 0
VID5
Text Label 4850 9725 2 60 ~ 0
VID6
$Comp
L Conn_02x03_Odd_Even J5
U 1 1 5E27D96B
P 4975 6950
F 0 "J5" H 5025 7150 50 0000 C CNN
F 1 "VID_ICSP" H 5025 6750 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_2x03_Pitch2.54mm" H 4975 6950 50 0001 C CNN
F 3 "" H 4975 6950 50 0001 C CNN
1 4975 6950
1 0 0 -1
$EndComp
$Comp
L GND #PWR023
U 1 1 5E27D973
P 5350 7125
F 0 "#PWR023" H 5350 6875 50 0001 C CNN
F 1 "GND" H 5350 6975 50 0000 C CNN
F 2 "" H 5350 7125 50 0001 C CNN
F 3 "" H 5350 7125 50 0001 C CNN
1 5350 7125
1 0 0 -1
$EndComp
NoConn ~ 4550 7625
NoConn ~ 4550 9625
NoConn ~ 4550 9825
Entry Wire Line
4975 4025 4875 3925
Entry Wire Line
4975 3925 4875 3825
Entry Wire Line
4975 3825 4875 3725
Entry Wire Line
4975 3725 4875 3625
Entry Wire Line
4975 3625 4875 3525
Entry Wire Line
4975 4675 4875 4775
Entry Wire Line
4975 4125 4875 4025
Text Label 4850 3525 2 60 ~ 0
KBD0
Text Label 4850 3625 2 60 ~ 0
KBD1
Text Label 4850 3725 2 60 ~ 0
KBD2
Text Label 4850 3825 2 60 ~ 0
KBD3
Text Label 4850 3925 2 60 ~ 0
KBD4
Text Label 4850 4025 2 60 ~ 0
KBD5
Text Label 4850 4775 2 60 ~ 0
KBD6
Text GLabel 4550 4875 2 60 Output ~ 0
STROBE
$Comp
L 74LS00 U3
U 2 1 5E292967
P 12200 3200
F 0 "U3" H 12200 3250 50 0000 C CNN
F 1 "74LS00" H 12200 3100 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket_LongPads" H 12200 3200 50 0001 C CNN
F 3 "" H 12200 3200 50 0001 C CNN
2 12200 3200
1 0 0 1
$EndComp
$Comp
L 74LS00 U3
U 3 1 5E2929EC
P 9750 10225
F 0 "U3" H 9750 10275 50 0000 C CNN
F 1 "74LS00" H 9750 10125 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket_LongPads" H 9750 10225 50 0001 C CNN
F 3 "" H 9750 10225 50 0001 C CNN
3 9750 10225
0 -1 -1 0
$EndComp
$Comp
L 74LS00 U3
U 4 1 5E292B70
P 10200 10225
F 0 "U3" H 10200 10275 50 0000 C CNN
F 1 "74LS00" H 10200 10125 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket_LongPads" H 10200 10225 50 0001 C CNN
F 3 "" H 10200 10225 50 0001 C CNN
4 10200 10225
0 -1 -1 0
$EndComp
$Comp
L GND #PWR024
U 1 1 5E294B29
P 9975 10975
F 0 "#PWR024" H 9975 10725 50 0001 C CNN
F 1 "GND" H 9975 10825 50 0000 C CNN
F 2 "" H 9975 10975 50 0001 C CNN
F 3 "" H 9975 10975 50 0001 C CNN
1 9975 10975
1 0 0 -1
$EndComp
NoConn ~ 9750 9625
NoConn ~ 10200 9625
$Comp
L C_Small C1
U 1 1 5E295578
P 10850 10750
F 0 "C1" V 10950 10725 50 0000 L CNN
F 1 "100nF" V 10725 10650 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10850 10750 50 0001 C CNN
F 3 "" H 10850 10750 50 0001 C CNN
1 10850 10750
1 0 0 -1
$EndComp
$Comp
L C_Small C2
U 1 1 5E295920
P 11150 10750
F 0 "C2" V 11250 10725 50 0000 L CNN
F 1 "100nF" V 11025 10650 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 11150 10750 50 0001 C CNN
F 3 "" H 11150 10750 50 0001 C CNN
1 11150 10750
1 0 0 -1
$EndComp
$Comp
L C_Small C3
U 1 1 5E296960
P 11450 10750
F 0 "C3" V 11550 10725 50 0000 L CNN
F 1 "100nF" V 11325 10650 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 11450 10750 50 0001 C CNN
F 3 "" H 11450 10750 50 0001 C CNN
1 11450 10750
1 0 0 -1
$EndComp
$Comp
L VCC #PWR025
U 1 1 5E29942C
P 10850 10500
F 0 "#PWR025" H 10850 10350 50 0001 C CNN
F 1 "VCC" H 10850 10650 50 0000 C CNN
F 2 "" H 10850 10500 50 0001 C CNN
F 3 "" H 10850 10500 50 0001 C CNN
1 10850 10500
1 0 0 -1
$EndComp
$Comp
L GND #PWR026
U 1 1 5E299849
P 11450 11000
F 0 "#PWR026" H 11450 10750 50 0001 C CNN
F 1 "GND" H 11450 10850 50 0000 C CNN
F 2 "" H 11450 11000 50 0001 C CNN
F 3 "" H 11450 11000 50 0001 C CNN
1 11450 11000
1 0 0 -1
$EndComp
NoConn ~ 4550 4975
$Comp
L PS/2_Connector J8
U 1 1 5E29DBB0
P 6325 4975
F 0 "J8" H 6325 5225 50 0000 C CNN
F 1 "Keyboard" H 6325 4725 50 0000 C CNN
F 2 "ps2:MINI-DIN-6-FULL-SHIELD" H 6325 4975 50 0001 C CNN
F 3 "" H 6325 4975 50 0001 C CNN
1 6325 4975
1 0 0 -1
$EndComp
Text Label 6525 4475 2 60 ~ 0
PS2_CLK
$Comp
L GND #PWR027
U 1 1 5E29FEFC
P 6800 5150
F 0 "#PWR027" H 6800 4900 50 0001 C CNN
F 1 "GND" H 6800 5000 50 0000 C CNN
F 2 "" H 6800 5150 50 0001 C CNN
F 3 "" H 6800 5150 50 0001 C CNN
1 6800 5150
1 0 0 -1
$EndComp
Wire Wire Line
14450 6000 14775 6000
Wire Wire Line
14450 6400 14775 6400
Wire Wire Line
14450 6500 14775 6500
Wire Wire Line
14175 6525 14175 6600
Wire Wire Line
14175 6600 14775 6600
Wire Wire Line
14175 6700 14775 6700
Wire Wire Line
14175 6700 14175 6775
Wire Wire Line
14450 5000 14775 5000
Wire Wire Line
14450 5100 14775 5100
Wire Wire Line
14450 5200 14775 5200
Wire Wire Line
14450 5300 14775 5300
Wire Wire Line
14450 5400 14775 5400
Wire Wire Line
14450 5500 14775 5500
Wire Wire Line
14450 5600 14775 5600
Wire Wire Line
14450 5700 14775 5700
Wire Wire Line
13175 7525 12850 7525
Wire Wire Line
13175 7425 12850 7425
Wire Wire Line
13175 7325 12850 7325
Wire Wire Line
13175 7225 12850 7225
Wire Wire Line
13175 7125 12850 7125
Wire Wire Line
13175 7025 12850 7025
Wire Wire Line
13175 6925 12850 6925
Wire Wire Line
13175 6825 12850 6825
Wire Wire Line
13175 6225 12850 6225
Wire Wire Line
13175 6125 12850 6125
Wire Wire Line
13175 6025 12850 6025
Wire Wire Line
13175 5925 12850 5925
Wire Wire Line
13175 5825 12850 5825
Wire Wire Line
14450 6800 14775 6800
Wire Wire Line
14450 6900 14775 6900
Wire Wire Line
14450 7200 14775 7200
Wire Wire Line
14450 8000 14775 8000
Wire Wire Line
14450 8100 14775 8100
Wire Wire Line
14450 8200 14775 8200
Wire Wire Line
14450 8300 14775 8300
Wire Wire Line
11275 4150 11600 4150
Wire Wire Line
11275 4250 11600 4250
Wire Wire Line
11275 4350 11600 4350
Wire Wire Line
11275 4650 11600 4650
Wire Wire Line
11525 4750 11525 4925
Wire Wire Line
11525 4750 11600 4750
Wire Wire Line
11600 4850 11525 4850
Connection ~ 11525 4850
Wire Wire Line
12850 5525 12925 5525
Wire Wire Line
12925 4650 12800 4650
Wire Wire Line
12850 5625 13050 5625
Wire Wire Line
13050 5625 13050 5525
Wire Wire Line
12925 5525 12925 4650
Wire Bus Line
13275 5925 13275 7625
Wire Bus Line
11175 3200 11175 4750
Wire Bus Line
14350 4900 14350 6400
Wire Bus Line
14350 6900 14350 8400
Wire Bus Line
14350 5600 13750 5600
Wire Bus Line
13750 3850 13750 7600
Wire Bus Line
13750 7600 14350 7600
Wire Bus Line
13750 6650 13275 6650
Wire Bus Line
11100 4500 11175 4500
Wire Bus Line
11100 2800 11100 4500
Wire Wire Line
2650 4875 2575 4875
Wire Wire Line
2575 4875 2575 5075
Wire Wire Line
2650 4975 2575 4975
Connection ~ 2575 4975
Wire Wire Line
2575 3275 2575 3225
Wire Wire Line
2325 3225 2650 3225
Wire Wire Line
2575 3475 2575 3525
Wire Wire Line
2325 3525 2650 3525
Connection ~ 2575 3525
Connection ~ 2575 3225
Wire Wire Line
2125 3525 2050 3525
Wire Wire Line
2050 3225 2050 3600
Wire Wire Line
2050 3225 2125 3225
Connection ~ 2050 3525
Wire Wire Line
2575 1225 2575 1300
Wire Wire Line
2575 2675 2650 2675
Wire Wire Line
2575 1500 2575 2775
Wire Wire Line
2475 1650 5950 1650
Wire Wire Line
2475 1650 2475 1725
Connection ~ 2575 1650
Wire Wire Line
2475 2025 2475 2975
Wire Wire Line
1400 2100 1975 2100
Wire Wire Line
2175 2100 4775 2100
Connection ~ 2475 2100
Wire Wire Line
1400 2600 1475 2600
Wire Wire Line
1475 2600 1475 2675
Wire Wire Line
1400 2400 2575 2400
Connection ~ 2575 2400
Wire Wire Line
1400 2300 1750 2300
Wire Wire Line
1400 2200 1825 2200
Wire Wire Line
1825 3825 2650 3825
Wire Wire Line
1750 3925 2650 3925
Wire Wire Line
3025 1875 3025 1800
Wire Wire Line
3025 1800 2950 1800
Wire Wire Line
2300 2100 2300 1650
Wire Wire Line
2300 1650 2225 1650
Connection ~ 2300 2100
Wire Wire Line
1750 1725 1750 1650
Wire Wire Line
1750 1650 1825 1650
Wire Wire Line
4550 2975 5450 2975
Wire Wire Line
11225 7425 11550 7425
Wire Wire Line
11225 7325 11550 7325
Wire Wire Line
11225 7225 11550 7225
Wire Wire Line
11225 7125 11550 7125
Wire Wire Line
11225 7025 11550 7025
Wire Wire Line
11225 6925 11550 6925
Wire Wire Line
11225 6825 11550 6825
Wire Wire Line
11225 6125 11550 6125
Wire Wire Line
11225 6025 11550 6025
Wire Wire Line
11225 5925 11550 5925
Wire Wire Line
11225 5825 11550 5825
Wire Wire Line
11225 5725 11550 5725
Wire Wire Line
11225 5625 11550 5625
Wire Wire Line
11225 5525 11550 5525
Wire Wire Line
11000 6225 11550 6225
Wire Wire Line
11000 6150 11000 6225
Wire Wire Line
11025 7725 11100 7725
Wire Wire Line
11100 7725 11100 7925
Wire Wire Line
11100 7825 11550 7825
Wire Wire Line
11100 7925 11025 7925
Connection ~ 11100 7825
Wire Wire Line
11475 7725 11550 7725
Wire Wire Line
9750 7825 9825 7825
Wire Wire Line
9400 7525 11550 7525
Wire Wire Line
9475 7525 9475 7825
Wire Wire Line
9475 7825 9550 7825
Connection ~ 9475 7525
Wire Wire Line
11475 6425 11550 6425
Wire Wire Line
5350 1650 5350 1900
Wire Wire Line
5350 1900 5275 1900
Wire Wire Line
5350 2175 5350 2100
Wire Wire Line
5350 2100 5275 2100
Wire Wire Line
4625 3075 4550 3075
Wire Wire Line
4625 1900 4625 3075
Wire Wire Line
4700 3175 4550 3175
Wire Wire Line
4700 2000 4700 3175
Wire Wire Line
4775 1900 4625 1900
Wire Wire Line
4775 2000 4700 2000
Wire Wire Line
5275 2000 5450 2000
Wire Wire Line
5450 2000 5450 2975
Wire Wire Line
2750 1800 2575 1800
Connection ~ 2575 1800
Wire Wire Line
2650 9825 2575 9825
Wire Wire Line
2575 9825 2575 10025
Wire Wire Line
2650 9925 2575 9925
Connection ~ 2575 9925
Wire Wire Line
2575 8225 2575 8175
Wire Wire Line
2325 8175 2650 8175
Wire Wire Line
2575 8425 2575 8475
Wire Wire Line
2325 8475 2650 8475
Connection ~ 2575 8475
Connection ~ 2575 8175
Wire Wire Line
2125 8475 2050 8475
Wire Wire Line
2050 8175 2050 8550
Wire Wire Line
2050 8175 2125 8175
Connection ~ 2050 8475
Wire Wire Line
2575 6175 2575 6250
Wire Wire Line
2575 7625 2650 7625
Wire Wire Line
2575 6450 2575 7725
Wire Wire Line
2475 6600 5350 6600
Wire Wire Line
2475 6600 2475 6675
Connection ~ 2575 6600
Wire Wire Line
2475 6975 2475 7925
Wire Wire Line
1450 7050 1975 7050
Wire Wire Line
2175 7050 4775 7050
Connection ~ 2475 7050
Wire Wire Line
1450 7550 1525 7550
Wire Wire Line
1525 7550 1525 7625
Wire Wire Line
1450 7350 2575 7350
Connection ~ 2575 7350
Wire Wire Line
1450 7250 1825 7250
Wire Wire Line
1825 7250 1825 8875
Wire Wire Line
1450 7150 1900 7150
Wire Wire Line
1900 7150 1900 8775
Wire Wire Line
1900 8775 2650 8775
Wire Wire Line
1825 8875 2650 8875
Wire Wire Line
3025 6825 3025 6750
Wire Wire Line
3025 6750 2950 6750
Wire Wire Line
2300 7050 2300 6600
Wire Wire Line
2300 6600 2225 6600
Connection ~ 2300 7050
Wire Wire Line
1750 6675 1750 6600
Wire Wire Line
1750 6600 1825 6600
Wire Wire Line
4550 7925 5450 7925
Wire Wire Line
4550 9925 5725 9925
Wire Wire Line
4550 7725 5725 7725
Wire Wire Line
5925 7725 6000 7725
Wire Wire Line
5925 9925 6000 9925
Wire Wire Line
6375 9925 6300 9925
Wire Wire Line
6375 7725 6375 9925
Wire Wire Line
6300 7725 6675 7725
Connection ~ 6375 7725
Wire Wire Line
6825 7925 6825 8075
Wire Wire Line
6750 8000 6825 8000
Connection ~ 6825 8000
Wire Wire Line
6450 8000 6375 8000
Connection ~ 6375 8000
Wire Wire Line
4625 9425 4550 9425
Wire Wire Line
4550 9525 4625 9525
Wire Wire Line
4875 9725 4550 9725
Wire Wire Line
4875 8975 4550 8975
Wire Wire Line
4875 8875 4550 8875
Wire Wire Line
4875 8775 4550 8775
Wire Wire Line
4875 8675 4550 8675
Wire Wire Line
4875 8575 4550 8575
Wire Wire Line
4875 8475 4550 8475
Wire Bus Line
4975 8375 4975 9625
Wire Wire Line
5350 6600 5350 6850
Wire Wire Line
5350 6850 5275 6850
Wire Wire Line
5350 7125 5350 7050
Wire Wire Line
5350 7050 5275 7050
Wire Wire Line
4625 8025 4550 8025
Wire Wire Line
4625 6850 4625 8025
Wire Wire Line
4700 8125 4550 8125
Wire Wire Line
4700 6950 4700 8125
Wire Wire Line
4775 6850 4625 6850
Wire Wire Line
4775 6950 4700 6950
Wire Wire Line
5275 6950 5450 6950
Wire Wire Line
5450 6950 5450 8200
Connection ~ 5450 7925
Wire Wire Line
5450 8200 5525 8200
Wire Wire Line
2750 6750 2575 6750
Connection ~ 2575 6750
Wire Bus Line
11125 6725 11125 7325
Wire Bus Line
11125 5425 11125 6025
Wire Bus Line
11125 7025 8025 7025
Wire Bus Line
8025 7025 8025 9000
Wire Bus Line
8025 9000 4975 9000
Wire Wire Line
4875 4775 4550 4775
Wire Wire Line
4875 4025 4550 4025
Wire Wire Line
4875 3925 4550 3925
Wire Wire Line
4875 3825 4550 3825
Wire Wire Line
4875 3725 4550 3725
Wire Wire Line
4875 3625 4550 3625
Wire Wire Line
4875 3525 4550 3525
Wire Bus Line
4975 3625 4975 4675
Wire Bus Line
11125 5725 8025 5725
Wire Bus Line
8025 5725 8025 4150
Wire Bus Line
8025 4150 4975 4150
Wire Wire Line
9650 10900 10300 10900
Wire Wire Line
9650 10825 9650 10900
Wire Wire Line
9850 10900 9850 10825
Connection ~ 9850 10900
Wire Wire Line
10850 10500 10850 10650
Wire Wire Line
10850 10575 11450 10575
Wire Wire Line
11150 10575 11150 10650
Wire Wire Line
10850 10850 10850 10925
Wire Wire Line
10850 10925 11450 10925
Wire Wire Line
11150 10925 11150 10850
Wire Wire Line
11450 10575 11450 10650
Connection ~ 11150 10575
Wire Wire Line
11450 10850 11450 11000
Connection ~ 11150 10925
Connection ~ 11450 10925
Connection ~ 10850 10575
Wire Wire Line
4550 4475 6700 4475
Wire Wire Line
4550 4575 5850 4575
Text Label 6525 5450 2 60 ~ 0
PS2_DATA
Wire Wire Line
6625 5075 6700 5075
Wire Wire Line
6700 5075 6700 5450
Wire Wire Line
5850 5450 7100 5450
Wire Wire Line
5850 4575 5850 5450
Wire Wire Line
6800 4975 6800 5150
Wire Wire Line
6800 4975 6625 4975
Wire Wire Line
6625 4875 6900 4875
Wire Wire Line
6700 4475 6700 4875
NoConn ~ 6025 4875
Wire Wire Line
5950 4975 6025 4975
Wire Wire Line
5950 1650 5950 4975
Connection ~ 5350 1650
NoConn ~ 4550 2775
NoConn ~ 14775 6300
Text Notes 12175 10925 0 60 ~ 0
RC6502 Terminal
Text Notes 11825 10250 0 60 ~ 0
Implements the Apple1 video and keyboard input section, but uses two Atmega328s in\nplace of the original hardware while working somewhat like two separate Arduino on\nthe board.
$Comp
L R R8
U 1 1 5E2B081B
P 6900 4650
F 0 "R8" V 6980 4650 50 0000 C CNN
F 1 "10k" V 6900 4650 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6830 4650 50 0001 C CNN
F 3 "" H 6900 4650 50 0001 C CNN
1 6900 4650
1 0 0 -1
$EndComp
$Comp
L R R9
U 1 1 5E2B0EDB
P 7100 4650
F 0 "R9" V 7180 4650 50 0000 C CNN
F 1 "10k" V 7100 4650 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 7030 4650 50 0001 C CNN
F 3 "" H 7100 4650 50 0001 C CNN
1 7100 4650
1 0 0 -1
$EndComp
Wire Wire Line
6900 4875 6900 4800
Connection ~ 6700 4875
Wire Wire Line
7100 5450 7100 4800
Connection ~ 6700 5450
Wire Wire Line
6900 4500 6900 4300
Wire Wire Line
5950 4300 7100 4300
Connection ~ 5950 4300
Wire Wire Line
7100 4300 7100 4500
Connection ~ 6900 4300
NoConn ~ 6025 5075
$Comp
L LED D3
U 1 1 5E2B88B6
P 5225 8125
F 0 "D3" H 5225 8225 50 0000 C CNN
F 1 "VID" H 5225 8025 50 0000 C CNN
F 2 "LEDs:LED_D5.0mm" H 5225 8125 50 0001 C CNN
F 3 "" H 5225 8125 50 0001 C CNN
1 5225 8125
-1 0 0 -1
$EndComp
$Comp
L R R6
U 1 1 5E2B8CE9
P 4925 8125
F 0 "R6" V 5005 8125 50 0000 C CNN
F 1 "220" V 4925 8125 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4855 8125 50 0001 C CNN
F 3 "" H 4925 8125 50 0001 C CNN
1 4925 8125
0 1 1 0
$EndComp
Wire Wire Line
4550 7825 4775 7825
Wire Wire Line
4775 7825 4775 8125
Wire Wire Line
5675 8400 5675 8550
Wire Wire Line
5375 8125 5375 8475
Wire Wire Line
5375 8475 5675 8475
Connection ~ 5675 8475
$Comp
L LED D4
U 1 1 5E2BB703
P 5525 3175
F 0 "D4" H 5525 3275 50 0000 C CNN
F 1 "KBD" H 5525 3075 50 0000 C CNN
F 2 "LEDs:LED_D5.0mm" H 5525 3175 50 0001 C CNN
F 3 "" H 5525 3175 50 0001 C CNN
1 5525 3175
-1 0 0 -1
$EndComp
$Comp
L R R7
U 1 1 5E2BB709
P 5225 3175
F 0 "R7" V 5305 3175 50 0000 C CNN
F 1 "220" V 5225 3175 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5155 3175 50 0001 C CNN
F 3 "" H 5225 3175 50 0001 C CNN
1 5225 3175
0 1 1 0
$EndComp
Wire Wire Line
4550 2875 4775 2875
Wire Wire Line
4775 2875 4775 3175
Wire Wire Line
4775 3175 5075 3175
Wire Wire Line
5675 3175 5750 3175
Wire Wire Line
5750 3175 5750 3250
$Comp
L GND #PWR028
U 1 1 5E2BC015
P 5750 3250
F 0 "#PWR028" H 5750 3000 50 0001 C CNN
F 1 "GND" H 5750 3100 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
Wire Wire Line
1750 2300 1750 3925
Wire Wire Line
1825 2200 1825 3825
NoConn ~ 2650 7825
Wire Wire Line
2475 7925 2650 7925
Wire Wire Line
2575 7725 2650 7725
Connection ~ 2575 7625
Wire Wire Line
2575 2775 2650 2775
Connection ~ 2575 2675
NoConn ~ 2650 2875
Wire Wire Line
2475 2975 2650 2975
$Comp
L ATMEGA328_MCU U4
U 1 1 5E25B941
P 3550 3775
F 0 "U4" H 2800 5025 50 0000 L BNN
F 1 "ATMEGA328_MCU" H 3950 2375 50 0000 L BNN
F 2 "Housings_DIP:DIP-28_W7.62mm_Socket" H 3550 3775 50 0001 C CIN
F 3 "" H 3550 3775 50 0001 C CNN
1 3550 3775
1 0 0 -1
$EndComp
$Comp
L Jumper_NC_Dual JP3
U 1 1 5E2D1584
P 12875 3525
F 0 "JP3" H 12925 3425 50 0000 L CNN
F 1 "SELECT" H 12875 3625 50 0000 C BNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 12875 3525 50 0001 C CNN
F 3 "" H 12875 3525 50 0001 C CNN
1 12875 3525
0 -1 -1 0
$EndComp
Wire Wire Line
12875 3275 12875 3200
Wire Wire Line
12875 3200 12800 3200
Entry Wire Line
11175 3200 11275 3100
Text Label 11300 3100 0 60 ~ 0
A4
Wire Wire Line
11275 3100 11600 3100
Wire Wire Line
12875 3775 12875 3850
Wire Wire Line
12875 3850 11525 3850
Wire Wire Line
11525 3850 11525 3100
Wire Wire Line
11525 3300 11600 3300
Connection ~ 11525 3100
Connection ~ 11525 3300
Wire Wire Line
10100 10900 10100 10825
Wire Wire Line
10300 10900 10300 10825
Connection ~ 10100 10900
Wire Wire Line
9975 10900 9975 10975
Connection ~ 9975 10900
Wire Wire Line
12850 5725 13175 5725
Wire Wire Line
13175 5725 13175 3525
Wire Wire Line
13175 3525 12975 3525
Wire Bus Line
11100 2800 13750 2800
Wire Bus Line
13750 2800 13750 3875
Wire Notes Line
10975 5125 13825 5125
Wire Notes Line
13825 5125 13825 2725
Wire Notes Line
13825 2725 10975 2725
Wire Notes Line
10975 2725 10975 5125
Text Notes 11000 2700 0 60 ~ 0
Address decoding places PIA at the expected addresses\n$D010 to $D012, these registers are mirrored across the\nentire $Dxxx range. SELECT should be on 1-2, 2-3 is used\nif this card should instead be placed on $D000 to $D002\n(for debugging).
Text Notes 15400 11075 0 60 ~ 0
A
$EndSCHEMATC
Reference in New Issue View Git Blame Copy Permalink