RC6502-Apple-1-Replica/RC6502 Serial IO/RC6502 Serial IO.sch

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:w_connectors
LIBS:switches
LIBS:RC6502 Serial IO-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text GLabel 10600 3800 0    60   Input ~ 0
GND
Text GLabel 10600 3900 0    60   Output ~ 0
VCC
Text GLabel 10600 2200 0    60   Output ~ 0
A15
Text GLabel 10600 2500 0    60   Output ~ 0
A12
Text GLabel 10600 3300 0    60   Output ~ 0
A4
Text GLabel 10600 3600 0    60   Output ~ 0
A1
Text GLabel 10600 3700 0    60   Output ~ 0
A0
Text GLabel 10600 4800 0    60   BiDi ~ 0
D0
Text GLabel 10600 4900 0    60   BiDi ~ 0
D1
Text GLabel 10600 5000 0    60   BiDi ~ 0
D2
Text GLabel 10600 5100 0    60   BiDi ~ 0
D3
Text GLabel 10600 5200 0    60   BiDi ~ 0
D4
Text GLabel 10600 5300 0    60   BiDi ~ 0
D5
Text GLabel 10600 5400 0    60   BiDi ~ 0
D6
Text GLabel 10600 5500 0    60   BiDi ~ 0
D7
Text GLabel 3950 1650 2    60   BiDi ~ 0
D0
Text GLabel 3950 1750 2    60   BiDi ~ 0
D1
Text GLabel 3950 1850 2    60   BiDi ~ 0
D2
Text GLabel 3950 1950 2    60   BiDi ~ 0
D3
Text GLabel 3950 2050 2    60   BiDi ~ 0
D4
Text GLabel 3950 2250 2    60   BiDi ~ 0
D6
Text GLabel 3950 2350 2    60   BiDi ~ 0
D7
NoConn ~ 10600 5800
NoConn ~ 10600 4300
NoConn ~ 10600 4700
Text GLabel 2700 3450 0    60   Input ~ 0
A12
Text GLabel 3950 1450 2    60   Input ~ 0
A1
Text GLabel 3950 1350 2    60   Input ~ 0
A0
Text Notes 8150 7500 2    60   ~ 0
RC6502 Serial IO
Text Notes 10625 7650 2    60   ~ 0
B
NoConn ~ -500 7850
$Comp
L CONN_01X39 J1
U 1 1 590B4CA1
P 10800 4100
F 0 "J1" H 10800 6100 50  0000 C CNN
F 1 "CONN_01X39" V 10900 4100 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x39_Pitch2.54mm" H 10800 4100 50  0001 C CNN
F 3 "" H 10800 4100 50  0001 C CNN
	1    10800 4100
	1    0    0    -1  
$EndComp
NoConn ~ 10600 5900
NoConn ~ 10600 4400
NoConn ~ 10600 4600
$Comp
L C C1
U 1 1 590DFF39
P 10025 1225
F 0 "C1" H 10050 1325 50  0000 L CNN
F 1 "100nF" H 10050 1125 50  0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10063 1075 50  0001 C CNN
F 3 "" H 10025 1225 50  0001 C CNN
	1    10025 1225
	1    0    0    -1  
$EndComp
$Comp
L C C2
U 1 1 590E0960
P 10275 1225
F 0 "C2" H 10300 1325 50  0000 L CNN
F 1 "100nF" H 10300 1125 50  0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10313 1075 50  0001 C CNN
F 3 "" H 10275 1225 50  0001 C CNN
	1    10275 1225
	1    0    0    -1  
$EndComp
Text GLabel 10025 825  1    60   Input ~ 0
VCC
Text GLabel 3950 2150 2    60   BiDi ~ 0
D5
Text GLabel 10025 1650 3    60   Input ~ 0
GND
Text GLabel 10600 2300 0    60   Output ~ 0
A14
Text GLabel 10600 2400 0    60   Output ~ 0
A13
$Comp
L C C3
U 1 1 59106500
P 10575 1225
F 0 "C3" H 10600 1325 50  0000 L CNN
F 1 "100nF" H 10600 1125 50  0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10613 1075 50  0001 C CNN
F 3 "" H 10575 1225 50  0001 C CNN
	1    10575 1225
	1    0    0    -1  
$EndComp
NoConn ~ 10600 6000
$Comp
L WD65C21 U2
U 1 1 590F34BB
P 3300 1850
F 0 "U2" H 3300 2900 60  0000 C CNN
F 1 "WD65C21" V 3300 1800 60  0000 C CNN
F 2 "Housings_DIP:DIP-40_W15.24mm_Socket" H 2800 2050 60  0001 C CNN
F 3 "" H 2800 2050 60  0000 C CNN
	1    3300 1850
	1    0    0    -1  
$EndComp
Text GLabel 10600 4100 0    60   Output ~ 0
RESET
Text GLabel 3950 1550 2    60   Input ~ 0
RESET
Text GLabel 10600 4000 0    60   Output ~ 0
PHI2
Text GLabel 3950 2450 2    60   Input ~ 0
PHI2
NoConn ~ 10600 4200
$Comp
L 74LS138 U3
U 1 1 590F5A10
P 3300 3800
F 0 "U3" H 3300 4300 50  0000 C CNN
F 1 "74HCT38" V 3300 3800 50  0000 C CNN
F 2 "Housings_DIP:DIP-16_W7.62mm_Socket" H 3300 3800 50  0001 C CNN
F 3 "" H 3300 3800 50  0001 C CNN
	1    3300 3800
	1    0    0    -1  
$EndComp
Text GLabel 10600 4500 0    60   Output ~ 0
RW
Text GLabel 3950 2850 2    60   Input ~ 0
RW
Text GLabel 2700 3550 0    60   Input ~ 0
A13
Text GLabel 2700 3650 0    60   Input ~ 0
A14
Text GLabel 2700 3950 0    60   Input ~ 0
A15
Text GLabel 2400 4300 3    60   Output ~ 0
GND
NoConn ~ 3900 3450
NoConn ~ 3900 3550
NoConn ~ 3900 3650
NoConn ~ 3900 3750
NoConn ~ 3900 3850
NoConn ~ 3900 4050
NoConn ~ 3900 4150
Text GLabel 2650 2850 0    60   Input ~ 0
VCC
Text GLabel 3950 950  2    60   Input ~ 0
KBD_STROBE
Text GLabel 3950 1050 2    60   Output ~ 0
KBD_READY
NoConn ~ 3950 1150
NoConn ~ 3950 1250
Text GLabel 2650 950  0    60   Output ~ 0
GND
Text GLabel 4450 2400 1    60   Input ~ 0
VCC
Text GLabel 3950 2750 2    60   Input ~ 0
A4
NoConn ~ 10600 3500
NoConn ~ 10600 3400
NoConn ~ 10600 3200
NoConn ~ 10600 3100
NoConn ~ 10600 3000
NoConn ~ 10600 2900
NoConn ~ 10600 2800
NoConn ~ 10600 2700
NoConn ~ 10600 2600
$Comp
L 74HCT04 U1
U 1 1 590F843D
P 1850 2750
F 0 "U1" H 2000 2850 50  0000 C CNN
F 1 "74HCT04" H 2050 2650 50  0000 C CNN
F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 1850 2750 50  0001 C CNN
F 3 "" H 1850 2750 50  0001 C CNN
	1    1850 2750
	-1   0    0    1   
$EndComp
$Comp
L C C5
U 1 1 590F85AC
P 1250 2750
F 0 "C5" H 1275 2850 50  0000 L CNN
F 1 "10nF" H 1275 2650 50  0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 1250 2750 50  0001 C CNN
F 3 "" H 1250 2750 50  0001 C CNN
	1    1250 2750
	0    -1   -1   0   
$EndComp
Text GLabel 2650 2650 0    60   Input ~ 0
OUT_RDA
Text GLabel 950  2550 0    60   Output ~ 0
OUT_DA
Text GLabel 2650 1050 0    60   Input ~ 0
KBD_D0
Text GLabel 2650 1150 0    60   Input ~ 0
KBD_D1
Text GLabel 2650 1250 0    60   Input ~ 0
KBD_D2
Text GLabel 2650 1350 0    60   Input ~ 0
KBD_D3
Text GLabel 2650 1450 0    60   Input ~ 0
KBD_D4
Text GLabel 2650 1550 0    60   Input ~ 0
KBD_D5
Text GLabel 2650 1650 0    60   Input ~ 0
KBD_D6
Text GLabel 2650 1850 0    60   Output ~ 0
OUT_D0
Text GLabel 2650 1950 0    60   Output ~ 0
OUT_D1
Text GLabel 2650 2050 0    60   Output ~ 0
OUT_D2
Text GLabel 2650 2150 0    60   Output ~ 0
OUT_D3
Text GLabel 2650 2250 0    60   Output ~ 0
OUT_D4
Text GLabel 2650 2350 0    60   Output ~ 0
OUT_D5
Text GLabel 2650 2450 0    60   Output ~ 0
OUT_D6
$Comp
L MCP23S17 U4
U 1 1 5910D88B
P 5700 1800
F 0 "U4" H 5450 2750 50  0000 R CNN
F 1 "MCP23S17" V 5700 1800 50  0000 C CNN
F 2 "Housings_DIP:DIP-28_W7.62mm_Socket" H 5750 850 50  0001 L CNN
F 3 "" H 5950 2800 50  0001 C CNN
	1    5700 1800
	1    0    0    -1  
$EndComp
Text GLabel 5200 1900 0    60   Input ~ 0
OUT_D0
Text GLabel 5200 2000 0    60   Input ~ 0
OUT_D1
Text GLabel 5200 2100 0    60   Input ~ 0
OUT_D2
Text GLabel 5200 2200 0    60   Input ~ 0
OUT_D3
Text GLabel 5200 2300 0    60   Input ~ 0
OUT_D4
Text GLabel 5200 2400 0    60   Input ~ 0
OUT_D5
Text GLabel 5200 2500 0    60   Input ~ 0
OUT_D6
Text GLabel 6350 4000 3    60   Output ~ 0
GND
Text GLabel 5700 800  1    60   Input ~ 0
VCC
$Comp
L Arduino_Nano_Header J2
U 1 1 59110A3B
P 7750 1700
F 0 "J2" H 7750 2500 60  0000 C CNN
F 1 "Arduino Nano" V 7750 1700 60  0000 C CNN
F 2 "Modules:Arduino_Nano" H 7750 1700 60  0001 C CNN
F 3 "" H 7750 1700 60  0000 C CNN
	1    7750 1700
	1    0    0    -1  
$EndComp
Text GLabel 8250 1100 2    60   Output ~ 0
GND
Text GLabel 9300 1450 2    60   Output ~ 0
VCC
$Comp
L R R3
U 1 1 59112B96
P 7750 3000
F 0 "R3" V 7830 3000 50  0000 C CNN
F 1 "10k" V 7750 3000 50  0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 7680 3000 50  0001 C CNN
F 3 "" H 7750 3000 50  0001 C CNN
	1    7750 3000
	0    1    1    0   
$EndComp
$Comp
L SW_Push SW1
U 1 1 59115E08
P 9200 1200
F 0 "SW1" H 9250 1300 50  0000 L CNN
F 1 "Reset" H 9200 1140 50  0000 C CNN
F 2 "Buttons_Switches_THT:SW_PUSH_6mm" H 9200 1400 50  0001 C CNN
F 3 "" H 9200 1400 50  0001 C CNN
	1    9200 1200
	1    0    0    -1  
$EndComp
Text GLabel 9600 1200 2    60   Output ~ 0
GND
Wire Wire Line
	10025 1375 10025 1650
Wire Wire Line
	10025 1475 10875 1475
Wire Wire Line
	10275 1475 10275 1375
Connection ~ 10275 1475
Wire Wire Line
	10025 975  10875 975 
Wire Wire Line
	10025 825  10025 1075
Wire Wire Line
	10275 975  10275 1075
Connection ~ 10275 975 
Wire Wire Line
	10575 975  10575 1075
Wire Wire Line
	10575 1475 10575 1375
Wire Wire Line
	10875 975  10875 1075
Connection ~ 10575 975 
Wire Wire Line
	10875 1475 10875 1375
Connection ~ 10575 1475
Wire Wire Line
	3900 3950 4450 3950
Wire Wire Line
	4450 3950 4450 2650
Wire Wire Line
	4450 2650 3950 2650
Wire Wire Line
	2700 4050 2400 4050
Wire Wire Line
	2400 4050 2400 4300
Wire Wire Line
	2700 4150 2400 4150
Connection ~ 2400 4150
Wire Wire Line
	4450 2400 4450 2550
Wire Wire Line
	4450 2550 3950 2550
Wire Wire Line
	2300 2750 2650 2750
Wire Wire Line
	950  2550 2650 2550
Wire Wire Line
	1100 2750 1000 2750
Wire Wire Line
	1000 2750 1000 2550
Connection ~ 1000 2550
Wire Wire Line
	6200 2400 6350 2400
Wire Wire Line
	6200 2500 6350 2500
Wire Wire Line
	6350 2400 6350 4000
Wire Wire Line
	6350 2600 6200 2600
Connection ~ 6350 2500
Wire Wire Line
	5700 2800 5700 2900
Wire Wire Line
	5700 2900 6350 2900
Connection ~ 6350 2600
Wire Wire Line
	8100 1200 9000 1200
Wire Wire Line
	8250 1100 8100 1100
Wire Wire Line
	6750 2400 7400 2400
Wire Wire Line
	6200 2000 6600 2000
Wire Wire Line
	6950 2650 8250 2650
Wire Wire Line
	8250 2650 8250 2400
Wire Wire Line
	6200 1900 6700 1900
$Comp
L Jumper_NO_Small JP1
U 1 1 59116B95
P 8700 1450
F 0 "JP1" H 8700 1530 50  0000 C CNN
F 1 "USB Power" H 8710 1390 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm" H 8700 1450 50  0001 C CNN
F 3 "" H 8700 1450 50  0001 C CNN
	1    8700 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 1450 8800 1450
Wire Wire Line
	8600 1450 8350 1450
Wire Wire Line
	8350 1450 8350 1300
Wire Wire Line
	8350 1300 8100 1300
Text GLabel 7400 1400 0    60   Input ~ 0
KBD_READY
Text GLabel 7400 1600 0    60   Output ~ 0
KBD_STROBE
Text GLabel 7400 1700 0    60   Output ~ 0
OUT_RDA
Text GLabel 7400 1500 0    60   Input ~ 0
OUT_DA
Text GLabel 5200 1000 0    60   Output ~ 0
KBD_D0
Text GLabel 5200 1100 0    60   Output ~ 0
KBD_D1
Text GLabel 5200 1200 0    60   Output ~ 0
KBD_D2
Text GLabel 5200 1300 0    60   Output ~ 0
KBD_D3
Text GLabel 5200 1400 0    60   Output ~ 0
KBD_D4
Text GLabel 5200 1500 0    60   Output ~ 0
KBD_D5
Text GLabel 5200 1600 0    60   Output ~ 0
KBD_D6
Text GLabel 5200 1700 0    60   Output ~ 0
KBD_D7
Wire Wire Line
	6750 2300 6750 3700
Wire Wire Line
	6850 2300 7400 2300
Wire Wire Line
	6850 2200 6850 3600
Wire Wire Line
	6500 2100 6200 2100
Wire Wire Line
	7050 2200 7400 2200
Wire Wire Line
	7050 2000 7050 3000
Connection ~ 6950 2650
Connection ~ 6850 2300
Connection ~ 6750 2400
$Comp
L R R2
U 1 1 59122A1C
P 7750 2800
F 0 "R2" V 7830 2800 50  0000 C CNN
F 1 "10k" V 7750 2800 50  0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 7680 2800 50  0001 C CNN
F 3 "" H 7750 2800 50  0001 C CNN
	1    7750 2800
	0    1    1    0   
$EndComp
Text GLabel 8100 2800 2    60   Input ~ 0
VCC
Wire Wire Line
	7900 2800 8100 2800
Wire Wire Line
	8000 3000 7900 3000
Wire Wire Line
	8000 2800 8000 3000
Connection ~ 8000 2800
Wire Wire Line
	7150 2100 7400 2100
Wire Wire Line
	7150 2100 7150 3400
Wire Wire Line
	7050 3000 7600 3000
Connection ~ 7050 2200
Wire Wire Line
	8250 2400 8100 2400
Wire Wire Line
	7150 3400 7550 3400
Wire Wire Line
	6950 3500 7550 3500
Wire Wire Line
	6850 3600 7550 3600
Wire Wire Line
	6750 3700 7550 3700
Text Label 7350 3400 0    60   ~ 0
CS1
Text Label 7350 3500 0    60   ~ 0
SCK
Text Label 7350 3600 0    60   ~ 0
MOSI
Text Label 7350 3700 0    60   ~ 0
MISO
Wire Wire Line
	6350 1000 6200 1000
Connection ~ 8550 1200
NoConn ~ 6200 1400
NoConn ~ 6200 1500
NoConn ~ 8100 2300
NoConn ~ 8100 2200
NoConn ~ 8100 2100
NoConn ~ 8100 2000
NoConn ~ 8100 1900
NoConn ~ 8100 1800
NoConn ~ 8100 1700
NoConn ~ 8100 1600
NoConn ~ 8100 1500
NoConn ~ 8100 1400
NoConn ~ 8100 1000
NoConn ~ 7400 1200
NoConn ~ 7400 1300
NoConn ~ 5200 2600
Text GLabel 2650 1750 0    60   Input ~ 0
KBD_D7
Text GLabel 10600 5700 0    60   Output ~ 0
RX
Text GLabel 10600 5600 0    60   Input ~ 0
TX
Text GLabel 7400 1100 0    60   Input ~ 0
RX
Text GLabel 7400 1000 0    60   Output ~ 0
TX
$Comp
L CONN_02X20 J4
U 1 1 593E9FED
P 1800 6050
F 0 "J4" H 1800 7100 50  0000 C CNN
F 1 "Peripheral Bus" V 1800 6050 50  0000 C CNN
F 2 "Connectors:IDC_Header_Straight_40pins" H 1800 5100 50  0001 C CNN
F 3 "" H 1800 5100 50  0001 C CNN
	1    1800 6050
	1    0    0    -1  
$EndComp
Text GLabel 8550 950  1    60   Output ~ 0
P_RESET
Wire Wire Line
	8550 950  8550 1200
Text GLabel 6350 1000 2    60   Input ~ 0
P_RESET
$Comp
L R R5
U 1 1 593EB3CA
P 8850 1000
F 0 "R5" V 8930 1000 50  0000 C CNN
F 1 "10k" V 8850 1000 50  0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 8780 1000 50  0001 C CNN
F 3 "" H 8850 1000 50  0001 C CNN
	1    8850 1000
	-1   0    0    1   
$EndComp
Wire Wire Line
	9400 1200 9600 1200
Text GLabel 8850 750  1    60   Input ~ 0
VCC
Wire Wire Line
	8850 750  8850 850 
Wire Wire Line
	8850 1150 8850 1200
Connection ~ 8850 1200
Text GLabel 2050 6800 2    60   Input ~ 0
P_RESET
Text GLabel 1550 5900 0    60   Input ~ 0
OUT_D0
Text GLabel 1550 5800 0    60   Input ~ 0
OUT_D1
Text GLabel 1550 5700 0    60   Input ~ 0
OUT_D2
Text GLabel 1550 5600 0    60   Input ~ 0
OUT_D3
Text GLabel 1550 5500 0    60   Input ~ 0
OUT_D4
Text GLabel 1550 5400 0    60   Input ~ 0
OUT_D5
Text GLabel 1550 5300 0    60   Input ~ 0
OUT_D6
Text GLabel 1550 5200 0    60   Input ~ 0
OUT_DA
Text GLabel 2750 7400 3    60   Output ~ 0
GND
Wire Wire Line
	2050 5100 2750 5100
Wire Wire Line
	2750 7000 2050 7000
Wire Wire Line
	2750 6500 2050 6500
Wire Wire Line
	2750 6300 2050 6300
Wire Wire Line
	2050 6100 2750 6100
Wire Wire Line
	1550 6000 900  6000
Wire Wire Line
	900  6000 900  7250
Wire Wire Line
	900  7250 2750 7250
Text GLabel 2050 6600 2    60   Output ~ 0
OUT_DETECT
Text GLabel 1550 7000 0    60   Output ~ 0
KBD_DETECT
Text GLabel 1550 6800 0    60   Input ~ 0
KBD_D0
Wire Wire Line
	2750 5100 2750 7400
Connection ~ 2750 7250
Connection ~ 2750 7000
Connection ~ 2750 6500
Connection ~ 2750 6300
Connection ~ 2750 6100
Text GLabel 1550 6700 0    60   Input ~ 0
KBD_D1
Text GLabel 1550 6600 0    60   Input ~ 0
KBD_D2
Text GLabel 1550 6500 0    60   Input ~ 0
KBD_D3
Text GLabel 1550 6400 0    60   Input ~ 0
KBD_D4
Text GLabel 1550 6300 0    60   Input ~ 0
KBD_D5
Text GLabel 1550 6200 0    60   Input ~ 0
KBD_D6
Text GLabel 1550 6100 0    60   Input ~ 0
KBD_D7
NoConn ~ 2050 6000
Text GLabel 2050 6700 2    60   Input ~ 0
OUT_RDA
Text GLabel 1550 6900 0    60   Input ~ 0
KBD_READY
Text GLabel 2050 6900 2    60   BiDi ~ 0
KBD_STROBE
Text GLabel 4400 6150 0    60   Input ~ 0
OUT_DETECT
Text GLabel 4400 6400 0    60   Input ~ 0
KBD_DETECT
$Comp
L R R1
U 1 1 593F467A
P 4800 5750
F 0 "R1" V 4880 5750 50  0000 C CNN
F 1 "10k" V 4800 5750 50  0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4730 5750 50  0001 C CNN
F 3 "" H 4800 5750 50  0001 C CNN
	1    4800 5750
	-1   0    0    1   
$EndComp
$Comp
L R R4
U 1 1 593F475F
P 5100 5750
F 0 "R4" V 5180 5750 50  0000 C CNN
F 1 "10k" V 5100 5750 50  0000 C CNN
F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5030 5750 50  0001 C CNN
F 3 "" H 5100 5750 50  0001 C CNN
	1    5100 5750
	-1   0    0    1   
$EndComp
Text GLabel 4950 5300 1    60   Input ~ 0
VCC
Wire Wire Line
	4800 5600 4800 5500
Wire Wire Line
	4800 5500 5100 5500
Wire Wire Line
	4950 5500 4950 5300
Wire Wire Line
	5100 5500 5100 5600
Connection ~ 4950 5500
Wire Wire Line
	4800 5900 4800 6150
Wire Wire Line
	4400 6150 5300 6150
Wire Wire Line
	4400 6400 5300 6400
Wire Wire Line
	5100 6400 5100 5900
Connection ~ 4800 6150
Connection ~ 5100 6400
Text GLabel 5300 6150 2    60   Output ~ 0
OUT_EN
Text GLabel 5300 6400 2    60   Output ~ 0
KBD_EN
Text GLabel 7400 1800 0    60   Input ~ 0
OUT_EN
Text GLabel 7400 1900 0    60   Input ~ 0
KBD_EN
Wire Wire Line
	6750 2300 6400 2300
Wire Wire Line
	6400 2300 6400 2200
Wire Wire Line
	6400 2200 6200 2200
Wire Wire Line
	6500 2100 6500 2200
Wire Wire Line
	6500 2200 6850 2200
Wire Wire Line
	6600 2000 6600 2100
Wire Wire Line
	6600 2100 6950 2100
Wire Wire Line
	6950 2100 6950 3500
Wire Wire Line
	6700 1900 6700 2000
Wire Wire Line
	6700 2000 7050 2000
$Comp
L CONN_01X06 J3
U 1 1 593F9B4F
P 7750 3650
F 0 "J3" H 7750 4000 50  0000 C CNN
F 1 "SPI Breakout" V 7850 3650 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x06_Pitch2.54mm" H 7750 3650 50  0001 C CNN
F 3 "" H 7750 3650 50  0001 C CNN
	1    7750 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	7150 2800 7600 2800
Connection ~ 7150 2800
Wire Wire Line
	6350 3800 7550 3800
Connection ~ 6350 2900
Connection ~ 6350 3800
Text GLabel 7550 3900 0    60   Input ~ 0
VCC
NoConn ~ 2050 6400
NoConn ~ 2050 5200
NoConn ~ 2050 5300
NoConn ~ 2050 5400
NoConn ~ 2050 5500
NoConn ~ 2050 5600
NoConn ~ 2050 5700
NoConn ~ 2050 5800
NoConn ~ 2050 5900
NoConn ~ 2050 6200
$Comp
L C C4
U 1 1 5939B171
P 10875 1225
F 0 "C4" H 10900 1325 50  0000 L CNN
F 1 "100nF" H 10900 1125 50  0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10913 1075 50  0001 C CNN
F 3 "" H 10875 1225 50  0001 C CNN
	1    10875 1225
	1    0    0    -1  
$EndComp
Connection ~ 10025 975 
Connection ~ 10025 1475
NoConn ~ 1550 5100
$Comp
L D D1
U 1 1 5939CEAC
P 9150 1450
F 0 "D1" H 9150 1550 50  0000 C CNN
F 1 "1N4848" H 9150 1350 50  0000 C CNN
F 2 "Diodes_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 9150 1450 50  0001 C CNN
F 3 "" H 9150 1450 50  0001 C CNN
	1    9150 1450
	-1   0    0    1   
$EndComp
$EndSCHEMATC