Apple-1-HW/RC6502-Apple-1-Replica
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RC6502-Apple-1-Replica/RC6502 RIOT/RC6502 RIOT.sch
Unknown 03aca8ac9c RIOT module layout done
2019-02-14 13:47:24 +01:00

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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:atari_riot
LIBS:atari_joystick
LIBS:RC6502 RIOT-cache
EELAYER 25 0
EELAYER END
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Rev ""
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Comment2 ""
Comment3 ""
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Text Notes 10650 7650 2 60 ~ 0
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NoConn ~ 10400 5950
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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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NoConn ~ 2650 1700
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 ~ 3525 1300
Wire Wire Line
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Connection ~ 3525 1200
Wire Wire Line
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Connection ~ 3525 1100
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ROM
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$C000
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$B000
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$A000
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$9000
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1 0 0 -1
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Wire Wire Line
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$D000
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$E000
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Wire Wire Line
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Text Label 10375 3650 2 60 ~ 0
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Text Label 10375 2650 2 60 ~ 0
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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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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Wire Wire Line
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Wire Wire Line
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A2
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A3
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A4
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Wire Wire Line
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Wire Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry 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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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Text Label 10375 5450 2 60 ~ 0
D4
Text Label 10375 5550 2 60 ~ 0
D5
Text Label 10375 5650 2 60 ~ 0
D6
Text Label 10375 5750 2 60 ~ 0
D7
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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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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Entry Wire Line
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D0
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D1
Text Label 6975 1325 0 60 ~ 0
D2
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D3
Text Label 6975 1525 0 60 ~ 0
D4
Text Label 6975 1625 0 60 ~ 0
D5
Text Label 6975 1725 0 60 ~ 0
D6
Text Label 6975 1825 0 60 ~ 0
D7
Wire Wire Line
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Entry Wire Line
7475 2725 7375 2625
Text Label 6975 2625 0 60 ~ 0
R/~W
Wire Wire Line
9700 4750 10400 4750
Entry Wire Line
9700 4750 9600 4650
Text Label 10375 4750 2 60 ~ 0
R/~W
NoConn ~ 10400 4950
Wire Wire Line
9700 4250 10400 4250
Entry Wire Line
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Text Label 10375 4250 2 60 ~ 0
PHI2
Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Wire Wire Line
5225 2725 5650 2725
Entry Wire Line
5225 2725 5125 2625
Wire Wire Line
5650 2625 5225 2625
Entry Wire Line
5225 2625 5125 2525
Wire Wire Line
10400 4150 10000 4150
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U 1 1 5C634111
P 10300 6150
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F 1 "T0_EN" H 10310 6090 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 10300 6150 50 0001 C CNN
F 3 "" H 10300 6150 50 0001 C CNN
1 10300 6150
1 0 0 -1
$EndComp
$Comp
L Jumper_NO_Small JP4
U 1 1 5C6341DF
P 10075 6300
F 0 "JP4" H 10075 6350 50 0000 C CNN
F 1 "T1_EN" H 10085 6240 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 10075 6300 50 0001 C CNN
F 3 "" H 10075 6300 50 0001 C CNN
1 10075 6300
1 0 0 -1
$EndComp
Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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T0
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T1
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
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U 1 1 5C63AB60
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F 3 "" H 8800 1000 50 0001 C CNN
1 8800 1000
0 1 1 0
$EndComp
$Comp
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F 3 "" H 9125 1825 50 0001 C CNN
1 9125 1825
0 1 1 0
$EndComp
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Entry Wire Line
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Wire Wire Line
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Wire Wire Line
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A7
Wire Wire Line
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Entry Wire Line
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~CS2
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Wire Wire Line
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Wire Wire Line
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Entry 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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Entry Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Notes Line
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Wire Notes 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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Entry Wire Line
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Adressing
Wire Bus Line
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Wire Bus Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 6475 7350
Wire Wire Line
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Entry Wire Line
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A12
Wire Wire Line
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Entry Wire Line
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A13
Wire Wire Line
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Entry Wire Line
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A14
Wire Wire Line
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Entry Wire Line
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A15
Wire Bus Line
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NoConn ~ 10400 3150
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Wire Wire Line
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Wire Wire Line
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F 3 "" H 6175 6825 50 0001 C CNN
1 6175 6825
1 0 0 -1
$EndComp
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NoConn ~ 10400 4850
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$Comp
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$EndComp
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Entry Wire Line
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PA0
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PA1
Text Label 5625 1325 2 60 ~ 0
PA2
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PA3
Text Label 5625 1525 2 60 ~ 0
PA4
Text Label 5625 1625 2 60 ~ 0
PA5
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PA6
Text Label 5625 1825 2 60 ~ 0
PA7
Text Label 5625 2025 2 60 ~ 0
PB0
Text Label 5625 2125 2 60 ~ 0
PB1
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PB2
Text Label 5625 2325 2 60 ~ 0
PB3
Text Label 5625 2425 2 60 ~ 0
PB4
Text Label 5625 2525 2 60 ~ 0
PB5
Text Label 5625 2625 2 60 ~ 0
PB6
Text Label 5625 2725 2 60 ~ 0
PB7
Text Label 5625 2925 2 60 ~ 0
PHI2
$Comp
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F 3 "" H 8675 3825 50 0001 C CNN
1 8675 3825
1 0 0 -1
$EndComp
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Entry Wire Line
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~RES
Text Label 6975 3025 0 60 ~ 0
~RES
Wire Wire Line
7375 3025 6950 3025
Entry Wire Line
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$Comp
L VCC #PWR08
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P 8675 3675
F 0 "#PWR08" H 8675 3525 50 0001 C CNN
F 1 "VCC" H 8675 3825 50 0000 C CNN
F 2 "" H 8675 3675 50 0001 C CNN
F 3 "" H 8675 3675 50 0001 C CNN
1 8675 3675
1 0 0 -1
$EndComp
$Comp
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U 1 1 5C64756E
P 8675 4225
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F 3 "" H 8675 4225 50 0001 C CNN
1 8675 4225
0 -1 1 0
$EndComp
Wire Wire Line
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Entry Wire Line
9500 4225 9600 4325
Text Label 5625 3025 2 60 ~ 0
~IRQ
Text Label 9350 4225 2 60 ~ 0
~IRQ
Wire Wire Line
8675 4475 8675 4875
Entry Wire Line
9500 2400 9600 2500
Text Label 8400 2725 0 60 ~ 0
~RS
Entry Wire Line
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Wire Notes Line
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Text Label 9350 1500 2 60 ~ 0
A12
Text Label 9350 2400 2 60 ~ 0
A9
Wire Wire Line
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Entry Wire Line
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Wire Wire Line
7375 2925 6950 2925
Entry Wire Line
7475 3025 7375 2925
Wire Wire Line
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Entry Wire Line
7475 2825 7375 2725
Text Label 6975 2825 0 60 ~ 0
CS1
Text Label 6975 2725 0 60 ~ 0
~CS2
Text Label 6975 2925 0 60 ~ 0
~RS
Text Label 10375 3350 2 60 ~ 0
A6
Wire Wire Line
9700 3350 10400 3350
Entry Wire Line
9600 3250 9700 3350
Text GLabel 9050 2150 0 60 Input ~ 0
RIOT_BASE
Wire Wire Line
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Wire Wire Line
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Text GLabel 3600 1000 2 60 Output ~ 0
RIOT_BASE
$Comp
L VCC #PWR09
U 1 1 5C64CDBB
P 9125 1250
F 0 "#PWR09" H 9125 1100 50 0001 C CNN
F 1 "VCC" H 9125 1400 50 0000 C CNN
F 2 "" H 9125 1250 50 0001 C CNN
F 3 "" H 9125 1250 50 0001 C CNN
1 9125 1250
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Entry Wire Line
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Text Label 9350 3050 2 60 ~ 0
A11
Wire Wire Line
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Entry Wire Line
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Text Label 10375 2850 2 60 ~ 0
A11
Wire Wire Line
9700 3050 10400 3050
Entry Wire Line
9600 2950 9700 3050
Text Label 10375 3050 2 60 ~ 0
A9
Wire Bus Line
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$Comp
L Jumper_NC_Dual JP7
U 1 1 5C64ECF6
P 8850 4875
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F 1 "IRQ_SEL" H 8850 4975 50 0000 C BNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 8850 4875 50 0001 C CNN
F 3 "" H 8850 4875 50 0001 C CNN
1 8850 4875
0 1 1 0
$EndComp
Wire Wire Line
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Wire Wire Line
8675 4875 8750 4875
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
9725 5900 8850 5900
Wire Wire Line
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Text Label 10375 4550 2 60 ~ 0
IRQ_IN
Text Label 10375 6050 2 60 ~ 0
NMI_IN
Wire Notes Line
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Wire Notes Line
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Wire Notes Line
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Wire Notes Line
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Text Notes 8100 4900 1 60 ~ 0
IRQ Select
$Comp
L Atari_Joystick J4
U 1 1 5C65088B
P 6975 5025
F 0 "J4" H 6975 5575 50 0000 C CNN
F 1 "RIGHT PLAYER" H 6975 4450 50 0000 C CNN
F 2 "RND_DSUB:DSUB-9_Male_Vertical_Pitch2.77x2.84mm" H 6975 5025 50 0001 C CNN
F 3 "" H 6975 5025 50 0001 C CNN
1 6975 5025
1 0 0 -1
$EndComp
$Comp
L Atari_Joystick J1
U 1 1 5C6508D7
P 5225 5025
F 0 "J1" H 5225 5575 50 0000 C CNN
F 1 "LEFT PLAYER" H 5225 4450 50 0000 C CNN
F 2 "RND_DSUB:DSUB-9_Male_Vertical_Pitch2.77x2.84mm" H 5225 5025 50 0001 C CNN
F 3 "" H 5225 5025 50 0001 C CNN
1 5225 5025
1 0 0 -1
$EndComp
$Comp
L Conn_01x04 J3
U 1 1 5C650F09
P 6875 3975
F 0 "J3" H 6875 4175 50 0000 C CNN
F 1 "Analog" H 6875 3675 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm" H 6875 3975 50 0001 C CNN
F 3 "" H 6875 3975 50 0001 C CNN
1 6875 3975
1 0 0 -1
$EndComp
Wire Wire Line
6250 5225 6675 5225
Entry Wire Line
6250 3875 6150 3775
Wire Wire Line
6250 5425 6675 5425
Entry Wire Line
6250 4075 6150 3975
Entry Wire Line
6250 4175 6150 4075
Wire Wire Line
6250 5025 6675 5025
Entry Wire Line
6250 3975 6150 3875
Text Label 6650 5425 2 60 ~ 0
PA0
Text Label 6650 5225 2 60 ~ 0
PA1
Text Label 6650 5025 2 60 ~ 0
PA2
Text Label 6650 4825 2 60 ~ 0
PA3
Text Label 4900 5425 2 60 ~ 0
PA4
Text Label 4900 5225 2 60 ~ 0
PA5
Text Label 4900 5025 2 60 ~ 0
PA6
Text Label 4900 4825 2 60 ~ 0
PA7
Wire Wire Line
6250 4825 6675 4825
Wire Wire Line
6250 4625 6675 4625
Wire Wire Line
6250 4725 6675 4725
Wire Wire Line
6250 5325 6675 5325
Wire Wire Line
4500 5225 4925 5225
Wire Wire Line
4925 5425 4500 5425
Wire Wire Line
4500 5025 4925 5025
Wire Wire Line
4500 4825 4925 4825
Wire Wire Line
4500 4625 4925 4625
Wire Wire Line
4500 4725 4925 4725
Wire Wire Line
4500 5325 4925 5325
$Comp
L C C3
U 1 1 5C652694
P 6325 5650
F 0 "C3" H 6350 5750 50 0000 L CNN
F 1 "1nF" H 6350 5550 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 6363 5500 50 0001 C CNN
F 3 "" H 6325 5650 50 0001 C CNN
1 6325 5650
1 0 0 -1
$EndComp
Wire Wire Line
6325 5500 6325 5425
Connection ~ 6325 5425
$Comp
L GND #PWR010
U 1 1 5C652BF2
P 6325 5800
F 0 "#PWR010" H 6325 5550 50 0001 C CNN
F 1 "GND" H 6325 5650 50 0000 C CNN
F 2 "" H 6325 5800 50 0001 C CNN
F 3 "" H 6325 5800 50 0001 C CNN
1 6325 5800
1 0 0 -1
$EndComp
Text Label 6650 4625 2 60 ~ 0
P0
Text Label 6650 4725 2 60 ~ 0
P1
Text Label 4900 4625 2 60 ~ 0
P2
Text Label 4900 4725 2 60 ~ 0
P3
Text Label 6650 5325 2 60 ~ 0
T0
Text Label 4900 5325 2 60 ~ 0
T1
Wire Wire Line
6250 3875 6675 3875
Wire Wire Line
6250 3975 6675 3975
Text Label 6650 3875 2 60 ~ 0
P0
Text Label 6650 3975 2 60 ~ 0
P1
Wire Wire Line
6250 4075 6675 4075
Wire Wire Line
6250 4175 6675 4175
Text Label 6650 4075 2 60 ~ 0
P2
Text Label 6650 4175 2 60 ~ 0
P3
Entry Wire Line
6150 4625 6250 4725
Entry Wire Line
6150 4525 6250 4625
Entry Wire Line
6150 4725 6250 4825
Entry Wire Line
6150 5225 6250 5325
Entry Wire Line
6150 4925 6250 5025
Entry Wire Line
6150 5125 6250 5225
Entry Wire Line
6150 5325 6250 5425
Entry Wire Line
4400 4625 4500 4725
Entry Wire Line
4400 4525 4500 4625
Entry Wire Line
4400 4725 4500 4825
Entry Wire Line
4400 5225 4500 5325
Entry Wire Line
4400 4925 4500 5025
Entry Wire Line
4400 5125 4500 5225
Entry Wire Line
4400 5325 4500 5425
Wire Bus Line
6150 3775 6150 6200
Wire Bus Line
4400 4525 4400 6200
Wire Wire Line
6675 4925 6250 4925
Wire Wire Line
6250 4925 6250 4875
Wire Wire Line
6250 4875 6050 4875
$Comp
L GND #PWR011
U 1 1 5C657931
P 6050 4875
F 0 "#PWR011" H 6050 4625 50 0001 C CNN
F 1 "GND" H 6050 4725 50 0000 C CNN
F 2 "" H 6050 4875 50 0001 C CNN
F 3 "" H 6050 4875 50 0001 C CNN
1 6050 4875
1 0 0 -1
$EndComp
Wire Wire Line
6675 5125 6250 5125
Wire Wire Line
6250 5125 6250 5075
Wire Wire Line
6250 5075 5950 5075
Wire Wire Line
5950 5075 5950 4875
$Comp
L VCC #PWR012
U 1 1 5C657F0D
P 5950 4875
F 0 "#PWR012" H 5950 4725 50 0001 C CNN
F 1 "VCC" H 5950 5025 50 0000 C CNN
F 2 "" H 5950 4875 50 0001 C CNN
F 3 "" H 5950 4875 50 0001 C CNN
1 5950 4875
1 0 0 -1
$EndComp
Wire Wire Line
4500 4875 4300 4875
$Comp
L GND #PWR013
U 1 1 5C658111
P 4300 4875
F 0 "#PWR013" H 4300 4625 50 0001 C CNN
F 1 "GND" H 4300 4725 50 0000 C CNN
F 2 "" H 4300 4875 50 0001 C CNN
F 3 "" H 4300 4875 50 0001 C CNN
1 4300 4875
1 0 0 -1
$EndComp
Wire Wire Line
4500 5075 4200 5075
Wire Wire Line
4200 5075 4200 4875
$Comp
L VCC #PWR014
U 1 1 5C658119
P 4200 4875
F 0 "#PWR014" H 4200 4725 50 0001 C CNN
F 1 "VCC" H 4200 5025 50 0000 C CNN
F 2 "" H 4200 4875 50 0001 C CNN
F 3 "" H 4200 4875 50 0001 C CNN
1 4200 4875
1 0 0 -1
$EndComp
Wire Wire Line
4500 4875 4500 4925
Wire Wire Line
4500 4925 4925 4925
Wire Wire Line
4500 5075 4500 5125
Wire Wire Line
4500 5125 4925 5125
Wire Notes Line
7775 5950 4075 5950
Wire Notes Line
4075 5950 4075 3500
Wire Notes Line
7775 3500 7775 5950
Text Notes 4100 3475 0 60 ~ 0
LEFT/RIGHT Joystick and paddles
Wire Notes Line
4075 3500 7775 3500
$Comp
L Jumper_NC_Dual JP8
U 1 1 5C65BFA4
P 3175 3875
F 0 "JP8" H 3225 3775 50 0000 L CNN
F 1 "B/W" H 3175 3975 50 0000 C BNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 3175 3875 50 0001 C CNN
F 3 "" H 3175 3875 50 0001 C CNN
1 3175 3875
0 1 1 0
$EndComp
$Comp
L GND #PWR015
U 1 1 5C65C1C1
P 3175 4125
F 0 "#PWR015" H 3175 3875 50 0001 C CNN
F 1 "GND" H 3175 3975 50 0000 C CNN
F 2 "" H 3175 4125 50 0001 C CNN
F 3 "" H 3175 4125 50 0001 C CNN
1 3175 4125
1 0 0 -1
$EndComp
Wire Wire Line
2650 3875 3075 3875
Entry Wire Line
2650 3875 2550 3775
Text Label 3050 3875 2 60 ~ 0
PB3
NoConn ~ 3175 3625
$Comp
L Jumper_NC_Dual JP9
U 1 1 5C65C817
P 3175 4650
F 0 "JP9" H 3225 4550 50 0000 L CNN
F 1 "L_DIFF" H 3175 4750 50 0000 C BNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 3175 4650 50 0001 C CNN
F 3 "" H 3175 4650 50 0001 C CNN
1 3175 4650
0 1 1 0
$EndComp
$Comp
L GND #PWR016
U 1 1 5C65C81D
P 3175 4900
F 0 "#PWR016" H 3175 4650 50 0001 C CNN
F 1 "GND" H 3175 4750 50 0000 C CNN
F 2 "" H 3175 4900 50 0001 C CNN
F 3 "" H 3175 4900 50 0001 C CNN
1 3175 4900
1 0 0 -1
$EndComp
Wire Wire Line
2650 4650 3075 4650
Entry Wire Line
2650 4650 2550 4550
NoConn ~ 3175 4400
Text Label 3050 4650 2 60 ~ 0
PB6
$Comp
L Jumper_NC_Dual JP10
U 1 1 5C65CC4B
P 3175 5400
F 0 "JP10" H 3225 5300 50 0000 L CNN
F 1 "R_DIFF" H 3175 5500 50 0000 C BNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 3175 5400 50 0001 C CNN
F 3 "" H 3175 5400 50 0001 C CNN
1 3175 5400
0 1 1 0
$EndComp
$Comp
L GND #PWR017
U 1 1 5C65CC51
P 3175 5650
F 0 "#PWR017" H 3175 5400 50 0001 C CNN
F 1 "GND" H 3175 5500 50 0000 C CNN
F 2 "" H 3175 5650 50 0001 C CNN
F 3 "" H 3175 5650 50 0001 C CNN
1 3175 5650
1 0 0 -1
$EndComp
Wire Wire Line
2650 5400 3075 5400
Entry Wire Line
2650 5400 2550 5300
NoConn ~ 3175 5150
Text Label 3050 5400 2 60 ~ 0
PB7
$Comp
L SW_Push SW1
U 1 1 5C65D4C5
P 1750 3950
F 0 "SW1" H 1800 4050 50 0000 L CNN
F 1 "SELECT" H 1750 3890 50 0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm" H 1750 4150 50 0001 C CNN
F 3 "" H 1750 4150 50 0001 C CNN
1 1750 3950
0 1 1 0
$EndComp
Text Label 2425 3675 2 60 ~ 0
PB1
Wire Wire Line
1750 3675 2450 3675
Entry Wire Line
2550 3775 2450 3675
Wire Bus Line
2550 3775 2550 6200
$Comp
L GND #PWR018
U 1 1 5C65DF89
P 1750 4150
F 0 "#PWR018" H 1750 3900 50 0001 C CNN
F 1 "GND" H 1750 4000 50 0000 C CNN
F 2 "" H 1750 4150 50 0001 C CNN
F 3 "" H 1750 4150 50 0001 C CNN
1 1750 4150
1 0 0 -1
$EndComp
$Comp
L SW_Push SW2
U 1 1 5C65E10D
P 1750 4725
F 0 "SW2" H 1800 4825 50 0000 L CNN
F 1 "START" H 1750 4665 50 0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm" H 1750 4925 50 0001 C CNN
F 3 "" H 1750 4925 50 0001 C CNN
1 1750 4725
0 1 1 0
$EndComp
Wire Wire Line
1750 4450 2450 4450
Entry Wire Line
2550 4550 2450 4450
$Comp
L GND #PWR019
U 1 1 5C65E116
P 1750 4925
F 0 "#PWR019" H 1750 4675 50 0001 C CNN
F 1 "GND" H 1750 4775 50 0000 C CNN
F 2 "" H 1750 4925 50 0001 C CNN
F 3 "" H 1750 4925 50 0001 C CNN
1 1750 4925
1 0 0 -1
$EndComp
Text Label 2425 4450 2 60 ~ 0
PB0
Wire Wire Line
2025 4525 2025 4450
$Comp
L C C4
U 1 1 5C65F1AC
P 2025 4675
F 0 "C4" H 2050 4775 50 0000 L CNN
F 1 "1nF" H 2050 4575 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2063 4525 50 0001 C CNN
F 3 "" H 2025 4675 50 0001 C CNN
1 2025 4675
1 0 0 -1
$EndComp
$Comp
L GND #PWR020
U 1 1 5C65F1B2
P 2025 4825
F 0 "#PWR020" H 2025 4575 50 0001 C CNN
F 1 "GND" H 2025 4675 50 0000 C CNN
F 2 "" H 2025 4825 50 0001 C CNN
F 3 "" H 2025 4825 50 0001 C CNN
1 2025 4825
1 0 0 -1
$EndComp
Wire Wire Line
1750 4525 1750 4450
Connection ~ 2025 4450
Wire Wire Line
1750 3750 1750 3675
Wire Notes Line
3725 5950 3725 3500
Wire Notes Line
3725 3500 1325 3500
Wire Notes Line
1325 3500 1325 5950
Wire Notes Line
1325 5950 3725 5950
Wire Bus Line
2550 6200 9600 6200
$Comp
L Conn_01x03 J5
U 1 1 5C662E55
P 1825 5600
F 0 "J5" H 1825 5800 50 0000 C CNN
F 1 "AUX" H 1825 5400 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 1825 5600 50 0001 C CNN
F 3 "" H 1825 5600 50 0001 C CNN
1 1825 5600
-1 0 0 1
$EndComp
Wire Wire Line
2025 5500 2450 5500
Entry Wire Line
2550 5600 2450 5500
Wire Wire Line
2025 5600 2450 5600
Entry Wire Line
2550 5700 2450 5600
Wire Wire Line
2025 5700 2450 5700
Entry Wire Line
2550 5800 2450 5700
Text Label 2425 5500 2 60 ~ 0
PB2
Text Label 2425 5600 2 60 ~ 0
PB4
Text Label 2425 5700 2 60 ~ 0
PB5
Text Notes 1350 3500 0 60 ~ 0
Input switches
Text Notes 7025 6975 0 60 ~ 0
RIOT card for the RC6502 computer, modelled after the input side of the Atari 2600 -\ntherefore features the same switches and joystick ports. Addressing can be jumpered to\nAtari 2600-mode, when doing so it assumes the presence of the corresponding\nTIA-module.
$Comp
L Jumper_NC_Dual JP6
U 1 1 5C669D81
P 9075 2725
F 0 "JP6" H 9125 2625 50 0000 L CNN
F 1 "RAM_SEL" H 9075 2825 50 0000 C BNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 9075 2725 50 0001 C CNN
F 3 "" H 9075 2725 50 0001 C CNN
1 9075 2725
0 1 1 0
$EndComp
Wire Wire Line
9075 2475 9075 2400
Wire Wire Line
9075 2975 9075 3050
Wire Wire Line
9075 3050 9500 3050
Wire Wire Line
9075 2400 9500 2400
$Comp
L Jumper_NC_Dual JP11
U 1 1 5C66BB42
P 8700 2725
F 0 "JP11" H 8750 2625 50 0000 L CNN
F 1 "RAM_EN" H 8700 2825 50 0000 C BNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 8700 2725 50 0001 C CNN
F 3 "" H 8700 2725 50 0001 C CNN
1 8700 2725
0 1 1 0
$EndComp
Wire Wire Line
8375 2725 8600 2725
Wire Wire Line
8975 2725 8900 2725
Wire Wire Line
8900 2725 8900 3050
Wire Wire Line
8900 3050 8700 3050
Wire Wire Line
8700 3050 8700 2975
$Comp
L VCC #PWR021
U 1 1 5C66C811
P 8700 2475
F 0 "#PWR021" H 8700 2325 50 0001 C CNN
F 1 "VCC" H 8700 2625 50 0000 C CNN
F 2 "" H 8700 2475 50 0001 C CNN
F 3 "" H 8700 2475 50 0001 C CNN
1 8700 2475
1 0 0 -1
$EndComp
$EndSCHEMATC
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