RC6502-Apple-1-Replica/RC6502 Apple 1 SBC/RC6502 Apple 1 SBC.sch
Unknown 025848c118 SBC Revision B
Revision A still don't work with W65c02 processors, added BE signal pull-up (untested wether this improves 65c02 compatibility).
2017-07-09 19:17:59 +02:00

1417 lines
32 KiB
Plaintext

EESchema Schematic File Version 2
LIBS:power
LIBS:device
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:65xx
LIBS:RC6502 Apple 1 SBC-cache
EELAYER 25 0
EELAYER END
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Title ""
Date ""
Rev ""
Comp ""
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Comment2 ""
Comment3 ""
Comment4 ""
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Text GLabel 5525 2575 2 60 BiDi ~ 0
D2
Text GLabel 5525 2675 2 60 BiDi ~ 0
D3
Text GLabel 5525 2775 2 60 BiDi ~ 0
D4
Text GLabel 5525 2975 2 60 BiDi ~ 0
D6
Text GLabel 5525 3075 2 60 BiDi ~ 0
D7
Text GLabel 900 725 0 60 Input ~ 0
A12
Text GLabel 5525 2175 2 60 Input ~ 0
A1
Text GLabel 5525 2075 2 60 Input ~ 0
A0
Text Notes 8300 7500 2 60 ~ 0
RC6502 Apple 1 SBC
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B
Text GLabel 5525 2875 2 60 BiDi ~ 0
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$Comp
L WD65C21 U8
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F 0 "U8" H 4875 3625 60 0000 C CNN
F 1 "WD65C21" V 4875 2525 60 0000 C CNN
F 2 "Housings_DIP:DIP-40_W15.24mm_Socket" H 4375 2775 60 0001 C CNN
F 3 "" H 4375 2775 60 0000 C CNN
1 4875 2575
1 0 0 -1
$EndComp
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$Comp
L 74LS138 U3
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F 1 "74HCT138" V 1500 1075 50 0000 C CNN
F 2 "Housings_DIP:DIP-16_W7.62mm_Socket" H 1500 1075 50 0001 C CNN
F 3 "" H 1500 1075 50 0001 C CNN
1 1500 1075
1 0 0 -1
$EndComp
Text GLabel 5525 3575 2 60 Input ~ 0
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A13
Text GLabel 900 925 0 60 Input ~ 0
A14
Text GLabel 900 1225 0 60 Input ~ 0
A15
Text GLabel 600 1575 3 60 Output ~ 0
GND
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NoConn ~ 2100 825
NoConn ~ 2100 925
NoConn ~ 2100 1025
NoConn ~ 2100 1125
Text GLabel 4225 3575 0 60 Input ~ 0
VCC
Text GLabel 5525 1675 2 60 Input ~ 0
KBD_STROBE
Text GLabel 5525 1775 2 60 Output ~ 0
KBD_READY
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NoConn ~ 5525 1975
Text GLabel 4225 1675 0 60 Output ~ 0
GND
Text GLabel 6025 3125 1 60 Input ~ 0
VCC
Text GLabel 5525 3475 2 60 Input ~ 0
A4
$Comp
L CP1 C12
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1 2825 3475
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$EndComp
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KBD_D1
Text GLabel 4225 1975 0 60 Input ~ 0
KBD_D2
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KBD_D3
Text GLabel 4225 2175 0 60 Input ~ 0
KBD_D4
Text GLabel 4225 2275 0 60 Input ~ 0
KBD_D5
Text GLabel 4225 2375 0 60 Input ~ 0
KBD_D6
Text GLabel 4225 2575 0 60 Output ~ 0
OUT_D0
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OUT_D1
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OUT_D2
Text GLabel 4225 2875 0 60 Output ~ 0
OUT_D3
Text GLabel 4225 2975 0 60 Output ~ 0
OUT_D4
Text GLabel 4225 3075 0 60 Output ~ 0
OUT_D5
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OUT_D6
$Comp
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1 0 0 -1
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OUT_D2
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OUT_D3
Text GLabel 6775 3025 0 60 Input ~ 0
OUT_D4
Text GLabel 6775 3125 0 60 Input ~ 0
OUT_D5
Text GLabel 6775 3225 0 60 Input ~ 0
OUT_D6
Text GLabel 7925 3675 3 60 Output ~ 0
GND
Text GLabel 7275 1525 1 60 Input ~ 0
VCC
$Comp
L Arduino_Nano_Header J2
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F 2 "Modules:Arduino_Nano" H 9325 2425 60 0001 C CNN
F 3 "" H 9325 2425 60 0000 C CNN
1 9325 2425
1 0 0 -1
$EndComp
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GND
Text GLabel 10550 2025 2 60 Output ~ 0
VCC
$Comp
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F 1 "10k" V 9325 3350 50 0000 C CNN
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1 9325 3350
0 1 1 0
$EndComp
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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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Connection ~ 7925 3225
Connection ~ 7925 3325
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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KBD_READY
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KBD_STROBE
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OUT_DA
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KBD_D0
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KBD_D1
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KBD_D2
Text GLabel 6775 2025 0 60 Output ~ 0
KBD_D3
Text GLabel 6775 2125 0 60 Output ~ 0
KBD_D4
Text GLabel 6775 2225 0 60 Output ~ 0
KBD_D5
Text GLabel 6775 2325 0 60 Output ~ 0
KBD_D6
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KBD_D7
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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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VCC
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Wire Wire Line
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NoConn ~ 7775 2225
NoConn ~ 9675 3025
NoConn ~ 9675 2925
NoConn ~ 9675 2825
NoConn ~ 9675 2725
NoConn ~ 9675 2625
NoConn ~ 9675 2525
NoConn ~ 9675 2425
NoConn ~ 9675 2325
NoConn ~ 9675 2225
NoConn ~ 9675 2125
NoConn ~ 9675 1725
NoConn ~ 8975 1925
NoConn ~ 8975 2025
NoConn ~ 6775 3325
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KBD_D7
Text GLabel 9825 1925 2 60 Output ~ 0
P_RESET
Text GLabel 7925 1725 2 60 Input ~ 0
P_RESET
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Wire Wire Line
7975 3025 7975 2925
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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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 ~ 8975 2825
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 7925 3525
$Comp
L HM62256BLP-7 U2
U 1 1 5941878A
P 4375 4850
F 0 "U2" H 4075 5750 50 0000 C CNN
F 1 "HM62256BLP-7" V 4375 4875 50 0000 C CNN
F 2 "Housings_DIP:DIP-28_W15.24mm_Socket" H 4375 4850 50 0001 C CIN
F 3 "" H 4375 4850 50 0001 C CNN
1 4375 4850
1 0 0 -1
$EndComp
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D1
Text GLabel 4875 4300 2 60 Input ~ 0
D2
Text GLabel 4875 4400 2 60 Input ~ 0
D3
Text GLabel 4875 4500 2 60 Input ~ 0
D4
Text GLabel 4875 4600 2 60 Input ~ 0
D5
Text GLabel 4875 4700 2 60 Input ~ 0
D6
Text GLabel 4875 4800 2 60 Input ~ 0
D7
Text GLabel 3875 5500 0 60 Input ~ 0
A14
Text GLabel 3875 5400 0 60 Input ~ 0
A13
Text GLabel 3875 5300 0 60 Input ~ 0
A12
Text GLabel 3875 5200 0 60 Input ~ 0
A11
Text GLabel 3875 5100 0 60 Input ~ 0
A10
Text GLabel 3875 5000 0 60 Input ~ 0
A9
Text GLabel 3875 4900 0 60 Input ~ 0
A8
Text GLabel 3875 4800 0 60 Input ~ 0
A7
Text GLabel 3875 4700 0 60 Input ~ 0
A6
Text GLabel 3875 4600 0 60 Input ~ 0
A5
Text GLabel 3875 4500 0 60 Input ~ 0
A4
Text GLabel 3875 4400 0 60 Input ~ 0
A3
Text GLabel 3875 4300 0 60 Input ~ 0
A2
Text GLabel 3875 4200 0 60 Input ~ 0
A1
Text GLabel 3875 4100 0 60 Input ~ 0
A0
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 5025 4950
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PHI2
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$Comp
L R R6
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F 1 "3.3k" V 7350 4450 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 7280 4450 50 0001 C CNN
F 3 "" H 7350 4450 50 0001 C CNN
1 7350 4450
0 1 1 0
$EndComp
$Comp
L R R7
U 1 1 5941A3D6
P 7350 4650
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F 1 "3.3k" V 7350 4650 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 7280 4650 50 0001 C CNN
F 3 "" H 7350 4650 50 0001 C CNN
1 7350 4650
0 1 1 0
$EndComp
$Comp
L R R8
U 1 1 5941A3D7
P 7350 4850
F 0 "R8" V 7430 4850 50 0000 C CNN
F 1 "3.3k" V 7350 4850 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 7280 4850 50 0001 C CNN
F 3 "" H 7350 4850 50 0001 C CNN
1 7350 4850
0 1 1 0
$EndComp
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VCC
$Comp
L WD65C02 U1
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P 9125 5250
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F 1 "WD65C02" V 9125 5150 60 0000 C CNN
F 2 "Housings_DIP:DIP-40_W15.24mm_Socket" H 8625 5450 60 0001 C CNN
F 3 "" H 8625 5450 60 0000 C CNN
1 9125 5250
1 0 0 -1
$EndComp
Text GLabel 10225 4225 1 60 Input ~ 0
VCC
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GND
Text GLabel 9775 4950 2 60 Output ~ 0
RW
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 7150 4850
Wire Wire Line
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Connection ~ 7150 4650
Wire Wire Line
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Connection ~ 7150 4450
Wire Wire Line
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A0
Text GLabel 8475 5250 0 60 Output ~ 0
A1
Text GLabel 8475 5350 0 60 Output ~ 0
A2
Text GLabel 8475 5450 0 60 Output ~ 0
A3
Text GLabel 8475 5550 0 60 Output ~ 0
A4
Text GLabel 8475 5650 0 60 Output ~ 0
A5
Text GLabel 8475 5750 0 60 Output ~ 0
A6
Text GLabel 8475 5850 0 60 Output ~ 0
A7
Text GLabel 8475 5950 0 60 Output ~ 0
A8
Text GLabel 8475 6050 0 60 Output ~ 0
A9
Text GLabel 8475 6150 0 60 Output ~ 0
A10
Text GLabel 8475 6250 0 60 Output ~ 0
A11
Text GLabel 9775 5850 2 60 Output ~ 0
A15
Text GLabel 9775 5950 2 60 Output ~ 0
A14
Text GLabel 9775 6050 2 60 Output ~ 0
A13
Text GLabel 9775 6150 2 60 Output ~ 0
A12
Text GLabel 9775 5050 2 60 Output ~ 0
D0
Text GLabel 9775 5150 2 60 Output ~ 0
D1
Text GLabel 9775 5250 2 60 Output ~ 0
D2
Text GLabel 9775 5350 2 60 Output ~ 0
D3
Text GLabel 9775 5450 2 60 Output ~ 0
D4
Text GLabel 9775 5550 2 60 Output ~ 0
D5
Text GLabel 9775 5750 2 60 Output ~ 0
D7
Text GLabel 9775 5650 2 60 Output ~ 0
D6
NoConn ~ 9775 4850
NoConn ~ 8475 4750
Text GLabel 9775 4650 2 60 Input ~ 0
CLOCK
Text GLabel 7875 4350 0 60 Output ~ 0
GND
$Comp
L CONN_01X02 J1
U 1 1 5941A3E0
P 8125 4150
F 0 "J1" H 8125 4300 50 0000 C CNN
F 1 "VP GND" V 8225 4150 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 8125 4150 50 0001 C CNN
F 3 "" H 8125 4150 50 0001 C CNN
1 8125 4150
0 -1 -1 0
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
9775 4550 10400 4550
Wire Wire Line
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Wire Wire Line
7500 4650 8475 4650
NoConn ~ 8475 4550
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D0
Text GLabel 3100 3925 2 60 Input ~ 0
D1
Text GLabel 3100 4025 2 60 Input ~ 0
D2
Text GLabel 3100 4125 2 60 Input ~ 0
D3
Text GLabel 3100 4225 2 60 Input ~ 0
D4
Text GLabel 3100 4425 2 60 Input ~ 0
D6
Text GLabel 3100 4525 2 60 Input ~ 0
D7
Text GLabel 1700 5025 0 60 Input ~ 0
A12
Text GLabel 1700 4925 0 60 Input ~ 0
A11
Text GLabel 1700 4825 0 60 Input ~ 0
A10
Text GLabel 1700 4725 0 60 Input ~ 0
A9
Text GLabel 1700 4625 0 60 Input ~ 0
A8
Text GLabel 1700 4525 0 60 Input ~ 0
A7
Text GLabel 1700 4425 0 60 Input ~ 0
A6
Text GLabel 1700 4325 0 60 Input ~ 0
A5
Text GLabel 1700 4225 0 60 Input ~ 0
A4
Text GLabel 1700 4125 0 60 Input ~ 0
A3
Text GLabel 1700 4025 0 60 Input ~ 0
A2
Text GLabel 1700 3925 0 60 Input ~ 0
A1
Text GLabel 1700 3825 0 60 Input ~ 0
A0
Text GLabel 3100 4325 2 60 Input ~ 0
D5
$Comp
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U 1 1 5941C8BB
P 2400 4725
F 0 "U4" H 2600 5725 50 0000 C CNN
F 1 "28C256" H 2700 3725 50 0000 C CNN
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F 3 "" H 2400 4725 50 0001 C CNN
1 2400 4725
1 0 0 -1
$EndComp
$Comp
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U 1 1 5941C8BC
P 1475 2350
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F 3 "" H 1475 2350 50 0001 C CNN
1 1475 2350
1 0 0 -1
$EndComp
$Comp
L Jumper_NC_Dual A14
U 1 1 5941C8BD
P 2550 2350
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F 1 "A14 Select" H 2550 2450 50 0000 C BNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 2550 2350 50 0001 C CNN
F 3 "" H 2550 2350 50 0001 C CNN
1 2550 2350
1 0 0 -1
$EndComp
Text GLabel 1700 5125 0 60 Input ~ 0
A13_W
Text GLabel 1700 5225 0 60 Input ~ 0
A14_W
Text GLabel 1225 2350 0 60 Input ~ 0
VCC
Text GLabel 2300 2350 0 60 Input ~ 0
VCC
Text GLabel 2800 2350 2 60 Input ~ 0
GND
Text GLabel 1725 2350 2 60 Input ~ 0
GND
Text GLabel 1475 2450 3 60 Output ~ 0
A13_W
Text GLabel 2550 2450 3 60 Output ~ 0
A14_W
Wire Wire Line
1700 5525 1600 5525
Wire Wire Line
1600 5525 1600 5625
Wire Wire Line
1450 5625 1700 5625
Connection ~ 1600 5625
$Comp
L R R1
U 1 1 5941C8C9
P 1425 5425
F 0 "R1" V 1505 5425 50 0000 C CNN
F 1 "3.3k" V 1425 5425 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 1355 5425 50 0001 C CNN
F 3 "" H 1425 5425 50 0001 C CNN
1 1425 5425
0 1 1 0
$EndComp
Text GLabel 1275 5425 0 60 Input ~ 0
VCC
Wire Wire Line
1575 5425 1700 5425
$Comp
L NE555 U6
U 1 1 59421FC7
P 3175 6575
F 0 "U6" H 2775 6925 50 0000 L CNN
F 1 "NE555" H 2775 6225 50 0000 L CNN
F 2 "Housings_DIP:DIP-8_W7.62mm" H 3175 6575 50 0001 C CNN
F 3 "" H 3175 6575 50 0001 C CNN
1 3175 6575
1 0 0 -1
$EndComp
Text GLabel 750 5725 1 60 Input ~ 0
VCC
Text GLabel 750 7500 3 60 Output ~ 0
GND
$Comp
L R R2
U 1 1 59421FC8
P 2175 6125
F 0 "R2" V 2100 6125 50 0000 C CNN
F 1 "1M" V 2175 6125 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2105 6125 50 0001 C CNN
F 3 "" H 2175 6125 50 0001 C CNN
1 2175 6125
1 0 0 -1
$EndComp
$Comp
L C C6
U 1 1 59421FC9
P 2175 7025
F 0 "C6" H 2200 7125 50 0000 L CNN
F 1 "100nF" H 2200 6925 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 2213 6875 50 0001 C CNN
F 3 "" H 2175 7025 50 0001 C CNN
1 2175 7025
1 0 0 -1
$EndComp
$Comp
L C C11
U 1 1 59421FCA
P 4475 7000
F 0 "C11" H 4500 7100 50 0000 L CNN
F 1 "100nF" H 4500 6900 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 4513 6850 50 0001 C CNN
F 3 "" H 4475 7000 50 0001 C CNN
1 4475 7000
1 0 0 -1
$EndComp
$Comp
L R R3
U 1 1 59421FCB
P 4100 6425
F 0 "R3" V 4025 6425 50 0000 C CNN
F 1 "47k" V 4100 6425 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4030 6425 50 0001 C CNN
F 3 "" H 4100 6425 50 0001 C CNN
1 4100 6425
1 0 0 -1
$EndComp
$Comp
L CP C10
U 1 1 59421FCC
P 4100 7000
F 0 "C10" H 4125 7100 50 0000 L CNN
F 1 "10uF" H 4125 6900 50 0000 L CNN
F 2 "Capacitors_THT:CP_Radial_D4.0mm_P2.00mm" H 4138 6850 50 0001 C CNN
F 3 "" H 4100 7000 50 0001 C CNN
1 4100 7000
1 0 0 -1
$EndComp
$Comp
L SW_SPST SW1
U 1 1 59421FCE
P 1725 6850
F 0 "SW1" H 1725 6975 50 0000 C CNN
F 1 "RESET" H 1725 6750 50 0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm" H 1725 6850 50 0001 C CNN
F 3 "" H 1725 6850 50 0001 C CNN
1 1725 6850
0 -1 -1 0
$EndComp
NoConn ~ 2675 6575
$Comp
L ACO-xxxMHz X1
U 1 1 59421FD0
P 750 6600
F 0 "X1" H 550 6850 50 0000 L CNN
F 1 "1MHz" H 800 6350 50 0000 L CNN
F 2 "Oscillators:Oscillator_DIP-14" H 1200 6250 50 0001 C CNN
F 3 "" H 650 6600 50 0001 C CNN
1 750 6600
1 0 0 -1
$EndComp
Text GLabel 1175 6600 2 60 Output ~ 0
CLOCK
$Comp
L LED D1
U 1 1 59421FD7
P 6375 6950
F 0 "D1" H 6375 7050 50 0000 C CNN
F 1 "Power" H 6375 6850 50 0000 C CNN
F 2 "LEDs:LED_D5.0mm" H 6375 6950 50 0001 C CNN
F 3 "" H 6375 6950 50 0001 C CNN
1 6375 6950
0 -1 -1 0
$EndComp
Wire Wire Line
3175 5850 3175 6175
Wire Wire Line
3175 7350 3175 6975
Wire Wire Line
2175 5975 2175 5850
Connection ~ 3175 5850
Wire Wire Line
1725 6375 2675 6375
Wire Wire Line
2175 7350 2175 7175
Connection ~ 3175 7350
Connection ~ 2175 6375
Wire Wire Line
2175 6275 2175 6875
Connection ~ 2175 7350
Wire Wire Line
2675 6775 2525 6775
Wire Wire Line
2525 6775 2525 5850
Connection ~ 2525 5850
Connection ~ 4100 5850
Wire Wire Line
4100 7350 4100 7150
Connection ~ 4100 7350
Wire Wire Line
4100 6575 4100 6850
Wire Wire Line
3675 6575 3875 6575
Wire Wire Line
750 7350 4475 7350
Wire Wire Line
3875 6575 3875 6775
Wire Wire Line
3875 6650 4100 6650
Connection ~ 4100 6650
Wire Wire Line
3875 6775 3675 6775
Connection ~ 3875 6650
Wire Wire Line
3800 6375 3675 6375
Wire Wire Line
1725 6375 1725 6650
Wire Wire Line
1725 7050 1725 7350
Wire Wire Line
750 6900 750 7500
Connection ~ 1725 7350
Connection ~ 2175 5850
Wire Wire Line
750 5725 750 6300
Wire Wire Line
1050 6600 1175 6600
$Comp
L R R5
U 1 1 59421FD8
P 6375 6575
F 0 "R5" V 6455 6575 50 0000 C CNN
F 1 "330" V 6375 6575 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6305 6575 50 0001 C CNN
F 3 "" H 6375 6575 50 0001 C CNN
1 6375 6575
1 0 0 -1
$EndComp
Text GLabel 6375 6300 1 60 Input ~ 0
VCC
Text GLabel 6375 7225 3 60 Output ~ 0
GND
Wire Wire Line
6375 6300 6375 6425
Wire Wire Line
6375 6725 6375 6800
Wire Wire Line
6375 7100 6375 7225
$Comp
L 74LS04 U7
U 2 1 5942DAF5
P 5225 6075
F 0 "U7" H 5420 6190 50 0000 C CNN
F 1 "74HCT04" H 5415 5950 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 5225 6075 50 0001 C CNN
F 3 "" H 5225 6075 50 0001 C CNN
2 5225 6075
1 0 0 -1
$EndComp
Text GLabel 5800 6600 3 60 Output ~ 0
RESET
$Comp
L R R4
U 1 1 5942DC01
P 5250 6475
F 0 "R4" V 5330 6475 50 0000 C CNN
F 1 "1k" V 5250 6475 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5180 6475 50 0001 C CNN
F 3 "" H 5250 6475 50 0001 C CNN
1 5250 6475
0 1 1 0
$EndComp
Wire Wire Line
4475 7350 4475 7150
Wire Wire Line
5675 6075 5800 6075
Wire Wire Line
5800 6075 5800 6600
Wire Wire Line
4100 5850 4100 6275
Wire Wire Line
4475 5850 4475 6850
Connection ~ 4475 6475
Wire Wire Line
4775 6075 3800 6075
Wire Wire Line
3800 6075 3800 6375
Wire Wire Line
750 5850 4475 5850
Wire Wire Line
5100 6475 4475 6475
Wire Wire Line
5800 6475 5400 6475
Wire Wire Line
7875 4350 8075 4350
Connection ~ 750 5850
Connection ~ 750 7350
Connection ~ 5800 6475
Text GLabel 5525 3375 2 60 Input ~ 0
CS_PIA
Text GLabel 2150 1225 2 60 Output ~ 0
CS_PIA
$Comp
L 74HCT00 U5
U 2 1 5944A207
P 3150 1375
F 0 "U5" H 3150 1425 50 0000 C CNN
F 1 "74HCT00" H 3150 1275 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 3150 1375 50 0001 C CNN
F 3 "" H 3150 1375 50 0001 C CNN
2 3150 1375
1 0 0 -1
$EndComp
$Comp
L 74HCT00 U5
U 1 1 5944BF60
P 3150 825
F 0 "U5" H 3150 875 50 0000 C CNN
F 1 "74HCT00" H 3150 725 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 3150 825 50 0001 C CNN
F 3 "" H 3150 825 50 0001 C CNN
1 3150 825
1 0 0 -1
$EndComp
Wire Wire Line
2100 1325 2550 1325
Wire Wire Line
2550 1325 2550 1275
Wire Wire Line
2100 1425 2550 1425
Wire Wire Line
2550 1425 2550 1475
Wire Wire Line
2450 825 2550 825
Wire Wire Line
2550 725 2550 925
Connection ~ 2550 825
Text GLabel 3750 825 2 60 Output ~ 0
CS_ROM
Wire Wire Line
2450 825 2450 1100
Wire Wire Line
2450 1100 3750 1100
Wire Wire Line
3750 1100 3750 1375
Wire Wire Line
2100 1225 2150 1225
Text GLabel 1450 5625 0 60 Input ~ 0
CS_ROM
$Comp
L 74HCT00 U5
U 3 1 5945BB1F
P 6175 4525
F 0 "U5" H 6175 4575 50 0000 C CNN
F 1 "74HCT00" H 6175 4425 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 6175 4525 50 0001 C CNN
F 3 "" H 6175 4525 50 0001 C CNN
3 6175 4525
1 0 0 -1
$EndComp
$Comp
L 74HCT00 U5
U 4 1 5945BB97
P 6175 5050
F 0 "U5" H 6175 5100 50 0000 C CNN
F 1 "74HCT00" H 6175 4950 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 6175 5050 50 0001 C CNN
F 3 "" H 6175 5050 50 0001 C CNN
4 6175 5050
-1 0 0 1
$EndComp
Text GLabel 5425 4350 1 60 Input ~ 0
RW
Wire Wire Line
5575 4425 5575 4625
Connection ~ 5575 4525
Text GLabel 6900 4950 1 60 Input ~ 0
PHI2
Wire Wire Line
4875 5050 5575 5050
Wire Wire Line
6775 4525 6775 4950
Wire Wire Line
5425 4525 5575 4525
Wire Wire Line
5425 4350 5425 4525
$Comp
L 74LS04 U7
U 6 1 5946AD55
P 10750 1000
F 0 "U7" H 10945 1115 50 0000 C CNN
F 1 "74HCT04" H 10940 875 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 10750 1000 50 0001 C CNN
F 3 "" H 10750 1000 50 0001 C CNN
6 10750 1000
0 1 1 0
$EndComp
$Comp
L 74LS04 U7
U 5 1 5946B119
P 10400 1000
F 0 "U7" H 10595 1115 50 0000 C CNN
F 1 "74HCT04" H 10590 875 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 10400 1000 50 0001 C CNN
F 3 "" H 10400 1000 50 0001 C CNN
5 10400 1000
0 1 1 0
$EndComp
$Comp
L 74LS04 U7
U 4 1 5946B1A2
P 10050 1000
F 0 "U7" H 10245 1115 50 0000 C CNN
F 1 "74HCT04" H 10240 875 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 10050 1000 50 0001 C CNN
F 3 "" H 10050 1000 50 0001 C CNN
4 10050 1000
0 1 1 0
$EndComp
$Comp
L 74LS04 U7
U 3 1 5946B22E
P 9700 1000
F 0 "U7" H 9895 1115 50 0000 C CNN
F 1 "74HCT04" H 9890 875 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 9700 1000 50 0001 C CNN
F 3 "" H 9700 1000 50 0001 C CNN
3 9700 1000
0 1 1 0
$EndComp
Wire Wire Line
9700 550 11125 550
Connection ~ 10050 550
Connection ~ 10400 550
Wire Wire Line
11125 550 11125 850
Connection ~ 10750 550
Text GLabel 11125 850 3 60 Output ~ 0
GND
NoConn ~ 9700 1450
NoConn ~ 10050 1450
NoConn ~ 10400 1450
NoConn ~ 10750 1450
Text GLabel 8300 750 1 60 Input ~ 0
VCC
$Comp
L C C8
U 1 1 5946F39E
P 8000 1025
F 0 "C8" H 8025 1125 50 0000 L CNN
F 1 "100nF" H 8025 925 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 8038 875 50 0001 C CNN
F 3 "" H 8000 1025 50 0001 C CNN
1 8000 1025
1 0 0 -1
$EndComp
Text GLabel 8300 1300 3 60 Output ~ 0
GND
Wire Wire Line
8300 750 8300 875
Wire Wire Line
8300 1175 8300 1300
$Comp
L C C7
U 1 1 594709B1
P 7700 1025
F 0 "C7" H 7725 1125 50 0000 L CNN
F 1 "100nF" H 7725 925 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 7738 875 50 0001 C CNN
F 3 "" H 7700 1025 50 0001 C CNN
1 7700 1025
1 0 0 -1
$EndComp
$Comp
L C C5
U 1 1 59470A42
P 7400 1025
F 0 "C5" H 7425 1125 50 0000 L CNN
F 1 "100nF" H 7425 925 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 7438 875 50 0001 C CNN
F 3 "" H 7400 1025 50 0001 C CNN
1 7400 1025
1 0 0 -1
$EndComp
$Comp
L C C4
U 1 1 59470AD4
P 7100 1025
F 0 "C4" H 7125 1125 50 0000 L CNN
F 1 "100nF" H 7125 925 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 7138 875 50 0001 C CNN
F 3 "" H 7100 1025 50 0001 C CNN
1 7100 1025
1 0 0 -1
$EndComp
$Comp
L C C3
U 1 1 59470B69
P 6800 1025
F 0 "C3" H 6825 1125 50 0000 L CNN
F 1 "100nF" H 6825 925 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 6838 875 50 0001 C CNN
F 3 "" H 6800 1025 50 0001 C CNN
1 6800 1025
1 0 0 -1
$EndComp
$Comp
L C C2
U 1 1 59470C05
P 6500 1025
F 0 "C2" H 6525 1125 50 0000 L CNN
F 1 "100nF" H 6525 925 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 6538 875 50 0001 C CNN
F 3 "" H 6500 1025 50 0001 C CNN
1 6500 1025
1 0 0 -1
$EndComp
$Comp
L C C1
U 1 1 59470CA0
P 6200 1025
F 0 "C1" H 6225 1125 50 0000 L CNN
F 1 "100nF" H 6225 925 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 6238 875 50 0001 C CNN
F 3 "" H 6200 1025 50 0001 C CNN
1 6200 1025
1 0 0 -1
$EndComp
Wire Wire Line
6200 825 8300 825
Wire Wire Line
6500 825 6500 875
Connection ~ 8300 825
Wire Wire Line
6800 875 6800 825
Connection ~ 6800 825
Wire Wire Line
7100 875 7100 825
Connection ~ 7100 825
Wire Wire Line
7400 875 7400 825
Connection ~ 7400 825
Wire Wire Line
7700 875 7700 825
Connection ~ 7700 825
Wire Wire Line
8000 875 8000 825
Connection ~ 8000 825
Wire Wire Line
6500 1175 6500 1225
Wire Wire Line
6200 1225 8300 1225
Connection ~ 8300 1225
Wire Wire Line
8000 1175 8000 1225
Connection ~ 8000 1225
Wire Wire Line
7700 1175 7700 1225
Connection ~ 7700 1225
Wire Wire Line
7400 1175 7400 1225
Connection ~ 7400 1225
Wire Wire Line
7100 1175 7100 1225
Connection ~ 7100 1225
Wire Wire Line
6800 1175 6800 1225
Connection ~ 6800 1225
Text GLabel 10775 4050 0 60 Input ~ 0
GND
Text GLabel 10775 4150 0 60 Output ~ 0
VCC
Text GLabel 10775 4250 0 60 Input ~ 0
PHI2
Text GLabel 10775 4350 0 60 Output ~ 0
RESET
$Comp
L CONN_01X39 J3
U 1 1 594828B6
P 10975 4350
F 0 "J3" H 10975 6350 50 0000 C CNN
F 1 "Backplane" V 11075 4350 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x39_Pitch2.54mm" H 10975 4350 50 0001 C CNN
F 3 "" H 10975 4350 50 0001 C CNN
1 10975 4350
1 0 0 -1
$EndComp
Text GLabel 10775 4750 0 60 Input ~ 0
RW
Text GLabel 10775 2450 0 60 Input ~ 0
A15
Text GLabel 10775 2550 0 60 Input ~ 0
A14
Text GLabel 10775 2650 0 60 Input ~ 0
A13
Text GLabel 10775 2750 0 60 Input ~ 0
A12
Text GLabel 10775 2850 0 60 Input ~ 0
A11
Text GLabel 10775 2950 0 60 Input ~ 0
A10
Text GLabel 10775 3050 0 60 Input ~ 0
A9
Text GLabel 10775 3150 0 60 Input ~ 0
A8
Text GLabel 10775 3250 0 60 Input ~ 0
A7
Text GLabel 10775 3350 0 60 Input ~ 0
A6
Text GLabel 10775 3450 0 60 Input ~ 0
A5
Text GLabel 10775 3550 0 60 Input ~ 0
A4
Text GLabel 10775 3650 0 60 Input ~ 0
A3
Text GLabel 10775 3750 0 60 Input ~ 0
A2
Text GLabel 10775 3850 0 60 Input ~ 0
A1
Text GLabel 10775 3950 0 60 Input ~ 0
A0
Text GLabel 10775 4450 0 60 BiDi ~ 0
CLOCK
Text GLabel 10775 4550 0 60 Output ~ 0
IRQ
Text GLabel 10775 5050 0 60 BiDi ~ 0
D0
Text GLabel 10775 5150 0 60 BiDi ~ 0
D1
Text GLabel 10775 5250 0 60 BiDi ~ 0
D2
Text GLabel 10775 5350 0 60 BiDi ~ 0
D3
Text GLabel 10775 5450 0 60 BiDi ~ 0
D4
Text GLabel 10775 5550 0 60 BiDi ~ 0
D5
Text GLabel 10775 5650 0 60 BiDi ~ 0
D6
Text GLabel 10775 5750 0 60 BiDi ~ 0
D7
NoConn ~ 10775 6150
NoConn ~ 10775 6250
Text GLabel 10775 6050 0 60 Input ~ 0
NMI
NoConn ~ 10775 4650
Text GLabel 10775 4850 0 60 Input ~ 0
RDY
Text GLabel 10775 4950 0 60 Input ~ 0
SYNC
Text GLabel 8475 4950 0 60 Output ~ 0
SYNC
Text GLabel 8025 5125 3 60 Output ~ 0
RDY
Connection ~ 2575 3275
Text GLabel 1950 1650 0 60 Input ~ 0
A15
Text GLabel 2150 1650 2 60 Output ~ 0
CS_RAM
Wire Wire Line
1950 1650 2150 1650
Text GLabel 5175 4950 2 60 Input ~ 0
CS_RAM
Wire Wire Line
6900 4950 6900 5150
Wire Wire Line
6900 5150 6775 5150
Wire Wire Line
8025 5125 8025 4450
Connection ~ 8025 4450
Text GLabel 7875 5125 3 60 Output ~ 0
IRQ
Wire Wire Line
7875 5125 7875 4650
Connection ~ 7875 4650
Text GLabel 7725 5125 3 60 Output ~ 0
NMI
Wire Wire Line
7725 5125 7725 4850
Connection ~ 7725 4850
Text GLabel 10775 5950 0 60 Output ~ 0
RX
Text GLabel 10775 5850 0 60 Input ~ 0
TX
NoConn ~ 8975 2525
NoConn ~ 8975 2625
Text GLabel 8975 1725 0 60 Output ~ 0
TX
Text GLabel 8975 1825 0 60 Input ~ 0
RX
$Comp
L 74LS04 U7
U 1 1 5941BFB6
P 3425 3475
F 0 "U7" H 3620 3590 50 0000 C CNN
F 1 "74HCT04" H 3615 3350 50 0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm" H 3425 3475 50 0001 C CNN
F 3 "" H 3425 3475 50 0001 C CNN
1 3425 3475
-1 0 0 1
$EndComp
$Comp
L C C9
U 1 1 59427DE2
P 8300 1025
F 0 "C9" H 8325 1125 50 0000 L CNN
F 1 "100nF" H 8325 925 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 8338 875 50 0001 C CNN
F 3 "" H 8300 1025 50 0001 C CNN
1 8300 1025
1 0 0 -1
$EndComp
Wire Wire Line
6200 825 6200 875
Connection ~ 6500 825
Wire Wire Line
6200 1175 6200 1225
Connection ~ 6500 1225
$Comp
L CONN_01X01 J4
U 1 1 59430185
P 4975 775
F 0 "J4" V 5075 775 50 0000 C CNN
F 1 "Hole" V 5075 775 50 0001 C CNN
F 2 "rc6502:Mounting" H 4975 775 50 0001 C CNN
F 3 "" H 4975 775 50 0001 C CNN
1 4975 775
0 1 1 0
$EndComp
NoConn ~ 4975 575
$Comp
L CONN_01X01 J6
U 1 1 59430E09
P 5225 775
F 0 "J6" V 5325 775 50 0000 C CNN
F 1 "Hole" V 5325 775 50 0001 C CNN
F 2 "rc6502:Mounting" H 5225 775 50 0001 C CNN
F 3 "" H 5225 775 50 0001 C CNN
1 5225 775
0 1 1 0
$EndComp
NoConn ~ 5225 575
$Comp
L CONN_01X01 J5
U 1 1 59430FAB
P 5100 775
F 0 "J5" V 5200 775 50 0000 C CNN
F 1 "Hole" V 5200 775 50 0001 C CNN
F 2 "rc6502:Mounting" H 5100 775 50 0001 C CNN
F 3 "" H 5100 775 50 0001 C CNN
1 5100 775
0 1 1 0
$EndComp
NoConn ~ 5100 575
$Comp
L CONN_01X01 J7
U 1 1 59431023
P 5350 775
F 0 "J7" V 5450 775 50 0000 C CNN
F 1 "Hole" V 5450 775 50 0001 C CNN
F 2 "rc6502:Mounting" H 5350 775 50 0001 C CNN
F 3 "" H 5350 775 50 0001 C CNN
1 5350 775
0 1 1 0
$EndComp
NoConn ~ 5350 575
$Comp
L CONN_01X02 J8
U 1 1 5943DE2E
P 10400 2225
F 0 "J8" H 10400 2375 50 0000 C CNN
F 1 "Power" V 10500 2225 50 0000 C CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm" H 10400 2225 50 0001 C CNN
F 3 "" H 10400 2225 50 0001 C CNN
1 10400 2225
0 -1 1 0
$EndComp
Wire Wire Line
10550 2025 10450 2025
$Comp
L R R10
U 1 1 596284F8
P 10250 4750
F 0 "R10" V 10330 4750 50 0000 C CNN
F 1 "3.3k" V 10250 4750 50 0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 10180 4750 50 0001 C CNN
F 3 "" H 10250 4750 50 0001 C CNN
1 10250 4750
0 -1 -1 0
$EndComp
Wire Wire Line
10100 4750 9775 4750
Wire Wire Line
10400 4550 10400 4750
Connection ~ 10225 4550
$EndSCHEMATC