NES.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 3 20
Title "BlueRetro - Famicom/NES adapter cable"
Date "2020-11-03"
Rev "v1.2.1"
Comp "©2020-2022 Jacques Gagnon, licensed under CC-BY-4.0"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L 74xx:74LS125 U?
U 1 1 5F23BC80
P 4150 1350
AR Path="/5F127084/5F23BC80" Ref="U?"  Part="1" 
AR Path="/5F1E85DD/5F23BC80" Ref="U1"  Part="1" 
F 0 "U1" H 4150 1667 50  0000 C CNN
F 1 "74AHCT125N" H 4150 1576 50  0000 C CNN
F 2 "" H 4150 1350 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 4150 1350 50  0001 C CNN
	1    4150 1350
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 2 1 5F23BC86
P 4150 2250
AR Path="/5F127084/5F23BC86" Ref="U?"  Part="2" 
AR Path="/5F1E85DD/5F23BC86" Ref="U1"  Part="2" 
F 0 "U1" H 4150 2567 50  0000 C CNN
F 1 "74AHCT125N" H 4150 2476 50  0000 C CNN
F 2 "" H 4150 2250 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 4150 2250 50  0001 C CNN
	2    4150 2250
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 3 1 5F23BC8C
P 4150 3150
AR Path="/5F127084/5F23BC8C" Ref="U?"  Part="3" 
AR Path="/5F1E85DD/5F23BC8C" Ref="U1"  Part="3" 
F 0 "U1" H 4150 3467 50  0000 C CNN
F 1 "74AHCT125N" H 4150 3376 50  0000 C CNN
F 2 "" H 4150 3150 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 4150 3150 50  0001 C CNN
	3    4150 3150
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 4 1 5F23BC92
P 4150 4050
AR Path="/5F127084/5F23BC92" Ref="U?"  Part="4" 
AR Path="/5F1E85DD/5F23BC92" Ref="U1"  Part="4" 
F 0 "U1" H 4150 4367 50  0000 C CNN
F 1 "74AHCT125N" H 4150 4276 50  0000 C CNN
F 2 "" H 4150 4050 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 4150 4050 50  0001 C CNN
	4    4150 4050
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 1 1 5F23BCA4
P 6900 1400
AR Path="/5F127084/5F23BCA4" Ref="U?"  Part="1" 
AR Path="/5F1E85DD/5F23BCA4" Ref="U2"  Part="1" 
F 0 "U2" H 6900 1717 50  0000 C CNN
F 1 "74AHCT125N" H 6900 1626 50  0000 C CNN
F 2 "" H 6900 1400 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 6900 1400 50  0001 C CNN
	1    6900 1400
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 2 1 5F23BCAA
P 6900 2300
AR Path="/5F127084/5F23BCAA" Ref="U?"  Part="2" 
AR Path="/5F1E85DD/5F23BCAA" Ref="U2"  Part="2" 
F 0 "U2" H 6900 2617 50  0000 C CNN
F 1 "74AHCT125N" H 6900 2526 50  0000 C CNN
F 2 "" H 6900 2300 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 6900 2300 50  0001 C CNN
	2    6900 2300
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 3 1 5F23BCB0
P 6900 3200
AR Path="/5F127084/5F23BCB0" Ref="U?"  Part="3" 
AR Path="/5F1E85DD/5F23BCB0" Ref="U2"  Part="3" 
F 0 "U2" H 6900 3517 50  0000 C CNN
F 1 "74AHCT125N" H 6900 3426 50  0000 C CNN
F 2 "" H 6900 3200 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 6900 3200 50  0001 C CNN
	3    6900 3200
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 4 1 5F23BCB6
P 6900 4100
AR Path="/5F127084/5F23BCB6" Ref="U?"  Part="4" 
AR Path="/5F1E85DD/5F23BCB6" Ref="U2"  Part="4" 
F 0 "U2" H 6900 4417 50  0000 C CNN
F 1 "74AHCT125N" H 6900 4326 50  0000 C CNN
F 2 "" H 6900 4100 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS125" H 6900 4100 50  0001 C CNN
	4    6900 4100
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 5 1 5F23BCC2
P 6550 5550
AR Path="/5F127084/5F23BCC2" Ref="U?"  Part="5" 
AR Path="/5F1E85DD/5F23BCC2" Ref="U2"  Part="5" 
F 0 "U2" H 6780 5596 50  0000 L CNN
F 1 "74AHCT125N" H 6780 5505 50  0000 L CNN
F 2 "" H 6550 5550 50  0001 C CNN
F 3 "http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn74ahct125" H 6550 5550 50  0001 C CNN
	5    6550 5550
	1    0    0    -1  
$EndComp
$Comp
L 74xx:74LS125 U?
U 5 1 5F23BCF8
P 4150 5500
AR Path="/5F127084/5F23BCF8" Ref="U?"  Part="5" 
AR Path="/5F1E85DD/5F23BCF8" Ref="U1"  Part="5" 
F 0 "U1" H 4380 5546 50  0000 L CNN
F 1 "74AHCT125N" H 4380 5455 50  0000 L CNN
F 2 "" H 4150 5500 50  0001 C CNN
F 3 "http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn74ahct125" H 4150 5500 50  0001 C CNN
	5    4150 5500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD1E
P 6900 4350
AR Path="/5F127084/5F23BD1E" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD1E" Ref="#PWR060"  Part="1" 
F 0 "#PWR060" H 6900 4100 50  0001 C CNN
F 1 "GND" H 6905 4177 50  0000 C CNN
F 2 "" H 6900 4350 50  0001 C CNN
F 3 "" H 6900 4350 50  0001 C CNN
	1    6900 4350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD24
P 6900 3450
AR Path="/5F127084/5F23BD24" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD24" Ref="#PWR059"  Part="1" 
F 0 "#PWR059" H 6900 3200 50  0001 C CNN
F 1 "GND" H 6905 3277 50  0000 C CNN
F 2 "" H 6900 3450 50  0001 C CNN
F 3 "" H 6900 3450 50  0001 C CNN
	1    6900 3450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD2A
P 6900 1650
AR Path="/5F127084/5F23BD2A" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD2A" Ref="#PWR057"  Part="1" 
F 0 "#PWR057" H 6900 1400 50  0001 C CNN
F 1 "GND" H 6905 1477 50  0000 C CNN
F 2 "" H 6900 1650 50  0001 C CNN
F 3 "" H 6900 1650 50  0001 C CNN
	1    6900 1650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD30
P 6900 2550
AR Path="/5F127084/5F23BD30" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD30" Ref="#PWR058"  Part="1" 
F 0 "#PWR058" H 6900 2300 50  0001 C CNN
F 1 "GND" H 6905 2377 50  0000 C CNN
F 2 "" H 6900 2550 50  0001 C CNN
F 3 "" H 6900 2550 50  0001 C CNN
	1    6900 2550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD36
P 4150 2500
AR Path="/5F127084/5F23BD36" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD36" Ref="#PWR049"  Part="1" 
F 0 "#PWR049" H 4150 2250 50  0001 C CNN
F 1 "GND" H 4155 2327 50  0000 C CNN
F 2 "" H 4150 2500 50  0001 C CNN
F 3 "" H 4150 2500 50  0001 C CNN
	1    4150 2500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD3C
P 4150 4300
AR Path="/5F127084/5F23BD3C" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD3C" Ref="#PWR051"  Part="1" 
F 0 "#PWR051" H 4150 4050 50  0001 C CNN
F 1 "GND" H 4155 4127 50  0000 C CNN
F 2 "" H 4150 4300 50  0001 C CNN
F 3 "" H 4150 4300 50  0001 C CNN
	1    4150 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD42
P 4150 1600
AR Path="/5F127084/5F23BD42" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD42" Ref="#PWR048"  Part="1" 
F 0 "#PWR048" H 4150 1350 50  0001 C CNN
F 1 "GND" H 4155 1427 50  0000 C CNN
F 2 "" H 4150 1600 50  0001 C CNN
F 3 "" H 4150 1600 50  0001 C CNN
	1    4150 1600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD48
P 4150 3400
AR Path="/5F127084/5F23BD48" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD48" Ref="#PWR050"  Part="1" 
F 0 "#PWR050" H 4150 3150 50  0001 C CNN
F 1 "GND" H 4155 3227 50  0000 C CNN
F 2 "" H 4150 3400 50  0001 C CNN
F 3 "" H 4150 3400 50  0001 C CNN
	1    4150 3400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD7E
P 6550 6050
AR Path="/5F127084/5F23BD7E" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD7E" Ref="#PWR056"  Part="1" 
F 0 "#PWR056" H 6550 5800 50  0001 C CNN
F 1 "GND" H 6555 5877 50  0000 C CNN
F 2 "" H 6550 6050 50  0001 C CNN
F 3 "" H 6550 6050 50  0001 C CNN
	1    6550 6050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BD90
P 4150 6000
AR Path="/5F127084/5F23BD90" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD90" Ref="#PWR053"  Part="1" 
F 0 "#PWR053" H 4150 5750 50  0001 C CNN
F 1 "GND" H 4155 5827 50  0000 C CNN
F 2 "" H 4150 6000 50  0001 C CNN
F 3 "" H 4150 6000 50  0001 C CNN
	1    4150 6000
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5F23BD96
P 6550 5050
AR Path="/5F127084/5F23BD96" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BD96" Ref="#PWR055"  Part="1" 
F 0 "#PWR055" H 6550 4900 50  0001 C CNN
F 1 "+3.3V" H 6565 5223 50  0000 C CNN
F 2 "" H 6550 5050 50  0001 C CNN
F 3 "" H 6550 5050 50  0001 C CNN
	1    6550 5050
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5F23BDA2
P 4150 5000
AR Path="/5F127084/5F23BDA2" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BDA2" Ref="#PWR052"  Part="1" 
F 0 "#PWR052" H 4150 4850 50  0001 C CNN
F 1 "+5V" H 4165 5173 50  0000 C CNN
F 2 "" H 4150 5000 50  0001 C CNN
F 3 "" H 4150 5000 50  0001 C CNN
	1    4150 5000
	1    0    0    -1  
$EndComp
Wire Notes Line
	6300 6300 6300 4800
Wire Notes Line
	6300 4800 7650 4800
Wire Notes Line
	7650 4800 7650 6300
Wire Notes Line
	7650 6300 6300 6300
Text Notes 6400 4800 0    50   ~ 0
Inputs level shifter VCC is 3.3V
Wire Wire Line
	3850 1350 3550 1350
Wire Wire Line
	3850 2250 3550 2250
Wire Wire Line
	3850 3150 3550 3150
Wire Wire Line
	3850 4050 3550 4050
Wire Wire Line
	4450 1350 4800 1350
Wire Wire Line
	4450 2250 4800 2250
Wire Wire Line
	4450 3150 4800 3150
Wire Wire Line
	4450 4050 4800 4050
Wire Wire Line
	6600 1400 6250 1400
Wire Wire Line
	6600 2300 6250 2300
Wire Wire Line
	6600 3200 6250 3200
Wire Wire Line
	6600 4100 6250 4100
Wire Wire Line
	7200 3200 7600 3200
Wire Wire Line
	7200 2300 7600 2300
Wire Wire Line
	7200 1400 7600 1400
Text Label 7600 2300 2    50   ~ 0
IO5
Text Label 7600 3200 2    50   ~ 0
IO18
$Comp
L Connector_Gaming:NES J?
U 1 1 5F23BDFF
P 1900 2900
AR Path="/5F127084/5F23BDFF" Ref="J?"  Part="1" 
AR Path="/5F1E85DD/5F23BDFF" Ref="J2"  Part="1" 
F 0 "J2" H 1950 3250 50  0000 C CNN
F 1 "Conn_01x07" H 1900 3350 50  0001 C CNN
F 2 "" H 1900 2900 50  0001 C CNN
F 3 "~" H 1900 2900 50  0001 C CNN
	1    1900 2900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BE05
P 1600 2050
AR Path="/5F127084/5F23BE05" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BE05" Ref="#PWR044"  Part="1" 
F 0 "#PWR044" H 1600 1800 50  0001 C CNN
F 1 "GND" H 1605 1877 50  0000 C CNN
F 2 "" H 1600 2050 50  0001 C CNN
F 3 "" H 1600 2050 50  0001 C CNN
	1    1600 2050
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F23BE0B
P 1600 3050
AR Path="/5F127084/5F23BE0B" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BE0B" Ref="#PWR045"  Part="1" 
F 0 "#PWR045" H 1600 2800 50  0001 C CNN
F 1 "GND" H 1605 2877 50  0000 C CNN
F 2 "" H 1600 3050 50  0001 C CNN
F 3 "" H 1600 3050 50  0001 C CNN
	1    1600 3050
	-1   0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5F23BE11
P 2300 2650
AR Path="/5F127084/5F23BE11" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BE11" Ref="#PWR047"  Part="1" 
F 0 "#PWR047" H 2300 2500 50  0001 C CNN
F 1 "+5V" H 2315 2823 50  0000 C CNN
F 2 "" H 2300 2650 50  0001 C CNN
F 3 "" H 2300 2650 50  0001 C CNN
	1    2300 2650
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5F23BE17
P 2300 1700
AR Path="/5F127084/5F23BE17" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F23BE17" Ref="#PWR046"  Part="1" 
F 0 "#PWR046" H 2300 1550 50  0001 C CNN
F 1 "+5V" H 2315 1873 50  0000 C CNN
F 2 "" H 2300 1700 50  0001 C CNN
F 3 "" H 2300 1700 50  0001 C CNN
	1    2300 1700
	1    0    0    -1  
$EndComp
$Comp
L Connector_Gaming:Atari5200_Famicom_NeoGeoAES_PCGamePort_DA15 J3
U 1 1 5F2B655C
P 1900 4250
F 0 "J3" H 1900 3400 50  0000 C CNN
F 1 "DB15_Female" H 1806 5151 50  0001 C CNN
F 2 "" H 1900 4250 50  0001 C CNN
F 3 " ~" H 1900 4250 50  0001 C CNN
	1    1900 4250
	-1   0    0    1   
$EndComp
Wire Wire Line
	2200 4450 2500 4450
Wire Wire Line
	2200 4750 2500 4750
Text Notes 1450 5250 0    50   ~ 0
*Optional (only for Famicom 4P)
NoConn ~ 2200 3550
NoConn ~ 2200 3650
NoConn ~ 2200 3750
NoConn ~ 2200 3850
NoConn ~ 2200 3950
NoConn ~ 2200 4050
NoConn ~ 2200 4150
NoConn ~ 2200 4250
NoConn ~ 2200 4350
NoConn ~ 2200 4550
NoConn ~ 2200 4650
NoConn ~ 2200 4850
NoConn ~ 2200 4950
Text Label 2500 4450 2    50   ~ 0
P1-D1
Text Label 2500 4750 2    50   ~ 0
P2-D1
Wire Wire Line
	1700 2700 1600 2700
Text Label 950  2800 0    50   ~ 0
P2-CUP
Wire Wire Line
	1700 3000 1200 3000
NoConn ~ 2200 2900
NoConn ~ 2200 3000
NoConn ~ 1700 2900
Text Label 1200 3000 0    50   ~ 0
P2-D0
Wire Wire Line
	1600 2700 1600 3050
Wire Wire Line
	1700 1700 1600 1700
Text Label 950  1800 0    50   ~ 0
P1-CUP
Text Label 950  1900 0    50   ~ 0
OUT0
Text Label 1200 2000 0    50   ~ 0
P1-D0
NoConn ~ 2200 1900
NoConn ~ 2200 2000
Text Label 3550 1350 0    50   ~ 0
IO19
Text Label 3550 2250 0    50   ~ 0
IO21
Text Label 3550 3150 0    50   ~ 0
IO22
Text Label 3550 4050 0    50   ~ 0
IO25
Text Label 6250 1400 0    50   ~ 0
OUT0
Text Label 6250 2300 0    50   ~ 0
P1-CUP
Text Label 6250 3200 0    50   ~ 0
P2-CUP
Text Label 4800 1350 2    50   ~ 0
P1-D0
Text Label 4800 3150 2    50   ~ 0
P2-D0
Text Label 4800 2250 2    50   ~ 0
P1-D1
Text Label 4800 4050 2    50   ~ 0
P2-D1
Text Label 7600 1400 2    50   ~ 0
IO32
$Comp
L power:GND #PWR?
U 1 1 5F260E90
P 6250 4100
AR Path="/5F127084/5F260E90" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F260E90" Ref="#PWR054"  Part="1" 
F 0 "#PWR054" H 6250 3850 50  0001 C CNN
F 1 "GND" H 6255 3927 50  0000 C CNN
F 2 "" H 6250 4100 50  0001 C CNN
F 3 "" H 6250 4100 50  0001 C CNN
	1    6250 4100
	1    0    0    -1  
$EndComp
NoConn ~ 7200 4100
$Comp
L Connector:DB25_Male J?
U 1 1 5F70CF6E
P 9750 2600
AR Path="/5F127084/5F70CF6E" Ref="J?"  Part="1" 
AR Path="/5F1E85DD/5F70CF6E" Ref="J4"  Part="1" 
AR Path="/5F2C5C0D/5F70CF6E" Ref="J?"  Part="1" 
F 0 "J4" H 9668 1108 50  0000 C CNN
F 1 "DB25_Male" H 9668 1199 50  0000 C CNN
F 2 "" H 9750 2600 50  0001 C CNN
F 3 " ~" H 9750 2600 50  0001 C CNN
	1    9750 2600
	1    0    0    1   
$EndComp
Wire Wire Line
	9150 1800 9450 1800
Wire Wire Line
	9150 2000 9450 2000
$Comp
L power:+5V #PWR?
U 1 1 5F70CF77
P 9350 1300
AR Path="/5F127084/5F70CF77" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F70CF77" Ref="#PWR063"  Part="1" 
AR Path="/5F2C5C0D/5F70CF77" Ref="#PWR?"  Part="1" 
F 0 "#PWR063" H 9350 1150 50  0001 C CNN
F 1 "+5V" H 9365 1473 50  0000 C CNN
F 2 "" H 9350 1300 50  0001 C CNN
F 3 "" H 9350 1300 50  0001 C CNN
	1    9350 1300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F70CF7D
P 9250 3900
AR Path="/5F127084/5F70CF7D" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F70CF7D" Ref="#PWR062"  Part="1" 
AR Path="/5F2C5C0D/5F70CF7D" Ref="#PWR?"  Part="1" 
F 0 "#PWR062" H 9250 3650 50  0001 C CNN
F 1 "GND" H 9255 3727 50  0000 C CNN
F 2 "" H 9250 3900 50  0001 C CNN
F 3 "" H 9250 3900 50  0001 C CNN
	1    9250 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 2200 9250 2200
Wire Wire Line
	9450 3000 9250 3000
Wire Wire Line
	9350 1300 9350 2600
Wire Wire Line
	9350 2600 9450 2600
$Comp
L power:+3.3V #PWR?
U 1 1 5F70CF87
P 9050 2350
AR Path="/5F127084/5F70CF87" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5F70CF87" Ref="#PWR061"  Part="1" 
AR Path="/5F2C5C0D/5F70CF87" Ref="#PWR?"  Part="1" 
F 0 "#PWR061" H 9050 2200 50  0001 C CNN
F 1 "+3.3V" H 9065 2523 50  0000 C CNN
F 2 "" H 9050 2350 50  0001 C CNN
F 3 "" H 9050 2350 50  0001 C CNN
	1    9050 2350
	1    0    0    -1  
$EndComp
Text Label 9150 1900 0    50   ~ 0
IO19
Text Label 9150 1800 0    50   ~ 0
IO21
Text Label 9150 1500 0    50   ~ 0
IO22
Text Label 9050 3600 0    50   ~ 0
IO25
Wire Wire Line
	9450 2100 9150 2100
Wire Wire Line
	9050 2400 9050 2350
Wire Wire Line
	9050 2400 9450 2400
Text Label 9150 2100 0    50   ~ 0
IO5
Text Label 9150 2000 0    50   ~ 0
IO18
Text Label 9050 3400 0    50   ~ 0
IO32
Wire Wire Line
	9250 2200 9250 2800
Wire Wire Line
	9250 3900 9250 3500
Connection ~ 9250 3000
Wire Wire Line
	9450 2800 9250 2800
Connection ~ 9250 2800
Wire Wire Line
	9250 2800 9250 3000
Wire Wire Line
	9450 1900 9150 1900
Wire Wire Line
	9450 1500 9150 1500
Wire Wire Line
	9450 3600 9050 3600
Wire Wire Line
	9450 3400 9050 3400
NoConn ~ 9450 3800
NoConn ~ 9450 1600
NoConn ~ 9450 1700
NoConn ~ 9450 2300
NoConn ~ 9450 2500
NoConn ~ 9450 2700
NoConn ~ 9450 2900
Wire Wire Line
	9450 3200 9250 3200
Connection ~ 9250 3200
Wire Wire Line
	9450 3300 9250 3300
Connection ~ 9250 3300
Wire Wire Line
	9250 3300 9250 3200
Wire Wire Line
	9450 3500 9250 3500
Connection ~ 9250 3500
Wire Wire Line
	9250 3500 9250 3300
NoConn ~ 9450 1400
NoConn ~ 9450 3700
Wire Wire Line
	9250 3000 9250 3200
Wire Wire Line
	9450 3100 9050 3100
Wire Wire Line
	9050 3100 9050 2400
Connection ~ 9050 2400
Text Notes 6350 6900 0    50   ~ 0
* Very important for DB25 pin 22 (I39/VN) to be connect to VOUT (3.3V) for proper system detection.
Wire Wire Line
	1700 2000 1200 2000
Wire Wire Line
	1600 1700 1600 2050
$Comp
L Connector_Gaming:NES J?
U 1 1 5F23BDF9
P 1900 1900
AR Path="/5F127084/5F23BDF9" Ref="J?"  Part="1" 
AR Path="/5F1E85DD/5F23BDF9" Ref="J1"  Part="1" 
F 0 "J1" H 1950 2250 50  0000 C CNN
F 1 "Conn_01x07" H 1900 2350 50  0001 C CNN
F 2 "" H 1900 1900 50  0001 C CNN
F 3 "~" H 1900 1900 50  0001 C CNN
	1    1900 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 1800 2300 1800
Wire Wire Line
	2300 1800 2300 1700
Text Notes 1750 2350 0    50   ~ 0
Connectors facing console
Wire Wire Line
	2200 2800 2300 2800
Wire Wire Line
	2300 2800 2300 2650
$Comp
L Device:R_Small_US R2
U 1 1 5FC2552B
P 1500 1550
F 0 "R2" H 1568 1596 50  0000 L CNN
F 1 "3.6K" H 1568 1505 50  0000 L CNN
F 2 "" H 1500 1550 50  0001 C CNN
F 3 "~" H 1500 1550 50  0001 C CNN
	1    1500 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	950  1900 1300 1900
Wire Wire Line
	950  2800 1400 2800
$Comp
L Device:R_Small_US R1
U 1 1 5FC33CA0
P 1300 1550
F 0 "R1" H 1050 1600 50  0000 L CNN
F 1 "3.6K" H 1050 1500 50  0000 L CNN
F 2 "" H 1300 1550 50  0001 C CNN
F 3 "~" H 1300 1550 50  0001 C CNN
	1    1300 1550
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R3
U 1 1 5FC3415F
P 1400 2600
F 0 "R3" H 1468 2646 50  0000 L CNN
F 1 "3.6K" H 1468 2555 50  0000 L CNN
F 2 "" H 1400 2600 50  0001 C CNN
F 3 "~" H 1400 2600 50  0001 C CNN
	1    1400 2600
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5FC3494B
P 1400 2500
AR Path="/5F127084/5FC3494B" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5FC3494B" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 1400 2350 50  0001 C CNN
F 1 "+5V" H 1415 2673 50  0000 C CNN
F 2 "" H 1400 2500 50  0001 C CNN
F 3 "" H 1400 2500 50  0001 C CNN
	1    1400 2500
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5FC34F45
P 1400 1350
AR Path="/5F127084/5FC34F45" Ref="#PWR?"  Part="1" 
AR Path="/5F1E85DD/5FC34F45" Ref="#PWR?"  Part="1" 
F 0 "#PWR?" H 1400 1200 50  0001 C CNN
F 1 "+5V" H 1415 1523 50  0000 C CNN
F 2 "" H 1400 1350 50  0001 C CNN
F 3 "" H 1400 1350 50  0001 C CNN
	1    1400 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 2700 1400 2800
Connection ~ 1400 2800
Wire Wire Line
	1400 2800 1700 2800
Wire Wire Line
	1300 1450 1300 1400
Wire Wire Line
	1300 1400 1400 1400
Wire Wire Line
	1400 1400 1400 1350
Wire Wire Line
	1400 1400 1500 1400
Wire Wire Line
	1500 1400 1500 1450
Connection ~ 1400 1400
Wire Wire Line
	950  1800 1500 1800
Wire Wire Line
	1500 1650 1500 1800
Connection ~ 1500 1800
Wire Wire Line
	1500 1800 1700 1800
Wire Wire Line
	1300 1650 1300 1900
Connection ~ 1300 1900
Wire Wire Line
	1300 1900 1700 1900
Text Notes 900  1100 0    50   ~ 0
* Pull-ups R1, R2 & R3 only required for PAL system.
$EndSCHEMATC