MacIIROMSIMM/ROMSIMM.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 1 1
Title "GW4402B Schematic"
Date "2021-04-03"
Rev "1.0"
Comp "Garrett's Workshop"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L power:GND #PWR0114
U 1 1 5C2E29CC
P 7950 5650
F 0 "#PWR0114" H 7950 5400 50  0001 C CNN
F 1 "GND" H 7950 5500 50  0000 C CNN
F 2 "" H 7950 5650 50  0001 C CNN
F 3 "" H 7950 5650 50  0001 C CNN
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$EndComp
$Comp
L Connector_Generic:Conn_02x32_Counter_Clockwise J1
U 1 1 5EBE7CAB
P 1300 4050
F 0 "J1" H 1350 5767 50  0000 C CNN
F 1 "ROM" H 1350 5676 50  0000 C CNN
F 2 "stdpads:MacIIROMSIMM_Edge" H 1300 4050 50  0001 C CNN
F 3 "~" H 1300 4050 50  0001 C CNN
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$EndComp
$Comp
L power:+5V #PWR0109
U 1 1 5EBEE216
P 1100 2550
F 0 "#PWR0109" H 1100 2400 50  0001 C CNN
F 1 "+5V" H 1100 2700 50  0000 C CNN
F 2 "" H 1100 2550 50  0001 C CNN
F 3 "" H 1100 2550 50  0001 C CNN
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$EndComp
$Comp
L power:+5V #PWR0110
U 1 1 5EBEFC36
P 1900 4350
F 0 "#PWR0110" H 1900 4200 50  0001 C CNN
F 1 "+5V" H 1900 4500 50  0000 C CNN
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F 3 "" H 1900 4350 50  0001 C CNN
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$Comp
L power:GND #PWR0111
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F 1 "GND" H 800 5300 50  0000 C CNN
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F 3 "" H 800 5450 50  0001 C CNN
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L power:GND #PWR0112
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F 3 "" H 1900 2550 50  0001 C CNN
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F 3 "" H 800 3450 50  0001 C CNN
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$Comp
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F 0 "C5" H 7242 5596 50  0000 L CNN
F 1 "2u2" H 7242 5505 50  0000 L CNN
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F 3 "~" H 7150 5550 50  0001 C CNN
F 4 "C23630" H 7150 5550 50  0001 C CNN "LCSC Part"
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$EndComp
$Comp
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F 3 "~" H 7550 5550 50  0001 C CNN
F 4 "C23630" H 7550 5550 50  0001 C CNN "LCSC Part"
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$EndComp
$Comp
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F 3 "~" H 7150 5950 50  0001 C CNN
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$EndComp
$Comp
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F 1 "2u2" H 7642 5905 50  0000 L CNN
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F 3 "~" H 7550 5950 50  0001 C CNN
F 4 "C23630" H 7550 5950 50  0001 C CNN "LCSC Part"
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$EndComp
$Comp
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U 1 1 5EC0AC81
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F 1 "74AHC245" H 3000 5200 50  0000 C CNN
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F 3 "" H 3000 5900 60  0001 C CNN
F 4 "C132987" H 3000 5800 50  0001 C CNN "LCSC Part"
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$EndComp
$Comp
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F 0 "#PWR0101" H 3400 6000 50  0001 C CNN
F 1 "GND" H 3400 6100 50  0000 C CNN
F 2 "" H 3400 6250 50  0001 C CNN
F 3 "" H 3400 6250 50  0001 C CNN
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	-1   0    0    -1  
$EndComp
$Comp
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F 0 "#PWR0102" H 2600 5200 50  0001 C CNN
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F 2 "" H 2600 5350 50  0001 C CNN
F 3 "" H 2600 5350 50  0001 C CNN
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	-1   0    0    -1  
$EndComp
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$Comp
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F 1 "74AHC245" H 3000 3900 50  0000 C CNN
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F 3 "" H 3000 4600 60  0001 C CNN
F 4 "C132987" H 3000 4500 50  0001 C CNN "LCSC Part"
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$EndComp
$Comp
L power:GND #PWR0103
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F 0 "#PWR0103" H 3400 4700 50  0001 C CNN
F 1 "GND" H 3400 4800 50  0000 C CNN
F 2 "" H 3400 4950 50  0001 C CNN
F 3 "" H 3400 4950 50  0001 C CNN
	1    3400 4950
	-1   0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0104
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F 0 "#PWR0104" H 2600 3900 50  0001 C CNN
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F 2 "" H 2600 4050 50  0001 C CNN
F 3 "" H 2600 4050 50  0001 C CNN
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	-1   0    0    -1  
$EndComp
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F 1 "74AHC245" H 3000 2600 50  0000 C CNN
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F 3 "" H 3000 3300 60  0001 C CNN
F 4 "C132987" H 3000 3200 50  0001 C CNN "LCSC Part"
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	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0105
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F 0 "#PWR0105" H 3400 3400 50  0001 C CNN
F 1 "GND" H 3400 3500 50  0000 C CNN
F 2 "" H 3400 3650 50  0001 C CNN
F 3 "" H 3400 3650 50  0001 C CNN
	1    3400 3650
	-1   0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0106
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F 3 "" H 2600 2750 50  0001 C CNN
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$EndComp
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F 3 "" H 3000 2000 60  0001 C CNN
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$EndComp
$Comp
L power:GND #PWR0107
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F 2 "" H 3400 2350 50  0001 C CNN
F 3 "" H 3400 2350 50  0001 C CNN
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$Comp
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$Comp
L power:GND #PWR0113
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F 2 "" H 8600 5100 50  0001 C CNN
F 3 "" H 8600 5100 50  0001 C CNN
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$Comp
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F 2 "" H 7050 5100 50  0001 C CNN
F 3 "" H 7050 5100 50  0001 C CNN
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$EndComp
$Comp
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F 3 "" H 9600 4300 50  0001 C CNN
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$Comp
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F 3 "" H 8600 2600 50  0001 C CNN
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$Comp
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F 3 "" H 7050 2600 50  0001 C CNN
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$Comp
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F 2 "" H 8050 4300 50  0001 C CNN
F 3 "" H 8050 4300 50  0001 C CNN
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$EndComp
$Comp
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$EndComp
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L power:GND #PWR0123
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F 3 "" H 2400 3950 50  0001 C CNN
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$Comp
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F 1 "GND" H 2400 5100 50  0000 C CNN
F 2 "" H 2400 5250 50  0001 C CNN
F 3 "" H 2400 5250 50  0001 C CNN
	1    2400 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 5250 2500 5250
Wire Wire Line
	2500 5250 2500 5450
Wire Wire Line
	2500 5450 2600 5450
Text Label 2600 4950 2    50   ~ 0
D16
Text Label 2600 4850 2    50   ~ 0
D17
Text Label 2600 4750 2    50   ~ 0
D18
Text Label 2600 4650 2    50   ~ 0
D19
Text Label 2600 4550 2    50   ~ 0
D20
Text Label 2600 4450 2    50   ~ 0
D21
Text Label 2600 4350 2    50   ~ 0
D22
Text Label 2600 4250 2    50   ~ 0
D23
Text Label 2600 3650 2    50   ~ 0
D8
Text Label 2600 3550 2    50   ~ 0
D9
Text Label 2600 3450 2    50   ~ 0
D10
Text Label 2600 3350 2    50   ~ 0
D11
Text Label 2600 3250 2    50   ~ 0
D12
Text Label 2600 3150 2    50   ~ 0
D13
Text Label 2600 3050 2    50   ~ 0
D14
Text Label 2600 2950 2    50   ~ 0
D15
Text Label 2600 2350 2    50   ~ 0
D0
Text Label 2600 2250 2    50   ~ 0
D1
Text Label 2600 2150 2    50   ~ 0
D2
Text Label 2600 2050 2    50   ~ 0
D3
Text Label 2600 1950 2    50   ~ 0
D4
Text Label 2600 1850 2    50   ~ 0
D5
Text Label 2600 1750 2    50   ~ 0
D6
Text Label 2600 1650 2    50   ~ 0
D7
$Comp
L GW_Logic:74245 U10
U 1 1 5EC8933C
P 4400 5800
F 0 "U10" H 4400 6400 50  0000 C CNN
F 1 "74AHC245" H 4400 5200 50  0000 C CNN
F 2 "stdpads:TSSOP-20_4.4x6.5mm_P0.65mm" H 4400 5150 50  0001 C TNN
F 3 "" H 4400 5900 60  0001 C CNN
F 4 "C132987" H 4400 5800 50  0001 C CNN "LCSC Part"
	1    4400 5800
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0125
U 1 1 5EC89342
P 4800 6250
F 0 "#PWR0125" H 4800 6000 50  0001 C CNN
F 1 "GND" H 4800 6100 50  0000 C CNN
F 2 "" H 4800 6250 50  0001 C CNN
F 3 "" H 4800 6250 50  0001 C CNN
	1    4800 6250
	-1   0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0126
U 1 1 5EC89348
P 4000 5350
F 0 "#PWR0126" H 4000 5200 50  0001 C CNN
F 1 "+3V3" H 4000 5500 50  0000 C CNN
F 2 "" H 4000 5350 50  0001 C CNN
F 3 "" H 4000 5350 50  0001 C CNN
	1    4000 5350
	-1   0    0    -1  
$EndComp
$Comp
L GW_Logic:74245 U7
U 1 1 5EC89375
P 4400 1900
F 0 "U7" H 4400 2500 50  0000 C CNN
F 1 "74AHC245" H 4400 1300 50  0000 C CNN
F 2 "stdpads:TSSOP-20_4.4x6.5mm_P0.65mm" H 4400 1250 50  0001 C TNN
F 3 "" H 4400 2000 60  0001 C CNN
F 4 "C132987" H 4400 1900 50  0001 C CNN "LCSC Part"
	1    4400 1900
	-1   0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0129
U 1 1 5EC89381
P 4000 1450
F 0 "#PWR0129" H 4000 1300 50  0001 C CNN
F 1 "+3V3" H 4000 1600 50  0000 C CNN
F 2 "" H 4000 1450 50  0001 C CNN
F 3 "" H 4000 1450 50  0001 C CNN
	1    4000 1450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3900 4150 4000 4150
$Comp
L power:GND #PWR0133
U 1 1 5EC893CB
P 3800 5250
F 0 "#PWR0133" H 3800 5000 50  0001 C CNN
F 1 "GND" H 3800 5100 50  0000 C CNN
F 2 "" H 3800 5250 50  0001 C CNN
F 3 "" H 3800 5250 50  0001 C CNN
	1    3800 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 5250 3900 5250
Wire Wire Line
	3900 5250 3900 5450
Wire Wire Line
	3900 5450 4000 5450
$Comp
L power:GND #PWR0134
U 1 1 5EC91B3C
P 4900 1250
F 0 "#PWR0134" H 4900 1000 50  0001 C CNN
F 1 "GND" H 4900 1100 50  0000 C CNN
F 2 "" H 4900 1250 50  0001 C CNN
F 3 "" H 4900 1250 50  0001 C CNN
	1    4900 1250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4900 1250 4800 1250
Text Label 4000 2350 2    50   ~ 0
A2
Text Label 4000 2250 2    50   ~ 0
A3
Text Label 4000 2150 2    50   ~ 0
A4
Text Label 4000 2050 2    50   ~ 0
A5
Text Label 4000 1950 2    50   ~ 0
A6
Text Label 4000 1850 2    50   ~ 0
A7
Text Label 4000 4650 2    50   ~ 0
A10
Text Label 4000 4550 2    50   ~ 0
A11
Text Label 4000 4450 2    50   ~ 0
A12
Text Label 4000 4350 2    50   ~ 0
A13
Text Label 4000 4250 2    50   ~ 0
A14
Text Label 4000 6250 2    50   ~ 0
A15
Text Label 4000 6150 2    50   ~ 0
A16
Text Label 4000 6050 2    50   ~ 0
A17
Text Label 4000 5950 2    50   ~ 0
A18
Text Label 4000 5850 2    50   ~ 0
A19
Text Label 4000 5750 2    50   ~ 0
A20
Text Label 4000 5650 2    50   ~ 0
A21
Text Label 4000 5550 2    50   ~ 0
A22
Text Label 4000 4850 2    50   ~ 0
A8
Text Label 4000 4750 2    50   ~ 0
A9
Text Label 4800 2250 0    50   ~ 0
RA2
Text Label 4800 2150 0    50   ~ 0
RA3
Text Label 4800 2050 0    50   ~ 0
RA4
Text Label 4800 1950 0    50   ~ 0
RA5
Text Label 4800 1850 0    50   ~ 0
RA6
Text Label 4800 1750 0    50   ~ 0
RA7
$Comp
L power:GND #PWR0135
U 1 1 5EC985CF
P 4800 2350
F 0 "#PWR0135" H 4800 2100 50  0001 C CNN
F 1 "GND" H 4800 2200 50  0000 C CNN
F 2 "" H 4800 2350 50  0001 C CNN
F 3 "" H 4800 2350 50  0001 C CNN
	1    4800 2350
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0137
U 1 1 5EC99C6D
P 4800 4950
F 0 "#PWR0137" H 4800 4700 50  0001 C CNN
F 1 "GND" H 4800 4800 50  0000 C CNN
F 2 "" H 4800 4950 50  0001 C CNN
F 3 "" H 4800 4950 50  0001 C CNN
	1    4800 4950
	-1   0    0    -1  
$EndComp
Text Label 4800 1650 0    50   ~ 0
R~CS~
Text Label 4800 1550 0    50   ~ 0
R~OE~
Text Label 4800 4850 0    50   ~ 0
R~WE~
Text Label 4800 4750 0    50   ~ 0
RA8
Wire Wire Line
	4800 1450 4800 1250
$Comp
L power:GND #PWR0139
U 1 1 5EC9F7AD
P 4900 3850
F 0 "#PWR0139" H 4900 3600 50  0001 C CNN
F 1 "GND" H 4900 3700 50  0000 C CNN
F 2 "" H 4900 3850 50  0001 C CNN
F 3 "" H 4900 3850 50  0001 C CNN
	1    4900 3850
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4900 3850 4800 3850
Wire Wire Line
	4800 4050 4800 3850
$Comp
L power:GND #PWR0140
U 1 1 5ECA061B
P 4900 5150
F 0 "#PWR0140" H 4900 4900 50  0001 C CNN
F 1 "GND" H 4900 5000 50  0000 C CNN
F 2 "" H 4900 5150 50  0001 C CNN
F 3 "" H 4900 5150 50  0001 C CNN
	1    4900 5150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4900 5150 4800 5150
Wire Wire Line
	4800 5350 4800 5150
$Comp
L power:GND #PWR0141
U 1 1 5ECABC17
P 7950 6050
F 0 "#PWR0141" H 7950 5800 50  0001 C CNN
F 1 "GND" H 7950 5900 50  0000 C CNN
F 2 "" H 7950 6050 50  0001 C CNN
F 3 "" H 7950 6050 50  0001 C CNN
	1    7950 6050
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C7
U 1 1 5ECABC36
P 7950 5550
F 0 "C7" H 8042 5596 50  0000 L CNN
F 1 "2u2" H 8042 5505 50  0000 L CNN
F 2 "stdpads:C_0603" H 7950 5550 50  0001 C CNN
F 3 "~" H 7950 5550 50  0001 C CNN
F 4 "C23630" H 7950 5550 50  0001 C CNN "LCSC Part"
	1    7950 5550
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C8
U 1 1 5ECABC3C
P 5600 5950
F 0 "C8" H 5692 5996 50  0000 L CNN
F 1 "2u2" H 5692 5905 50  0000 L CNN
F 2 "stdpads:C_0603" H 5600 5950 50  0001 C CNN
F 3 "~" H 5600 5950 50  0001 C CNN
F 4 "C23630" H 5600 5950 50  0001 C CNN "LCSC Part"
	1    5600 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C9
U 1 1 5ECABC42
P 6000 5950
F 0 "C9" H 6092 5996 50  0000 L CNN
F 1 "2u2" H 6092 5905 50  0000 L CNN
F 2 "stdpads:C_0603" H 6000 5950 50  0001 C CNN
F 3 "~" H 6000 5950 50  0001 C CNN
F 4 "C23630" H 6000 5950 50  0001 C CNN "LCSC Part"
	1    6000 5950
	1    0    0    -1  
$EndComp
Text Label 8050 5000 0    50   ~ 0
R~WE~
Text Label 8050 5100 0    50   ~ 0
R~OE~
Text Label 8050 4900 0    50   ~ 0
R~CS~
$Comp
L power:+3V3 #PWR0142
U 1 1 5ECAF49C
P 5600 5850
F 0 "#PWR0142" H 5600 5700 50  0001 C CNN
F 1 "+3V3" H 5600 6000 50  0000 C CNN
F 2 "" H 5600 5850 50  0001 C CNN
F 3 "" H 5600 5850 50  0001 C CNN
	1    5600 5850
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0143
U 1 1 5ECAFA85
P 6750 5450
F 0 "#PWR0143" H 6750 5300 50  0001 C CNN
F 1 "+3V3" H 6750 5600 50  0000 C CNN
F 2 "" H 6750 5450 50  0001 C CNN
F 3 "" H 6750 5450 50  0001 C CNN
	1    6750 5450
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0144
U 1 1 5ECB1C16
P 7050 1450
F 0 "#PWR0144" H 7050 1300 50  0001 C CNN
F 1 "+3V3" H 7050 1600 50  0000 C CNN
F 2 "" H 7050 1450 50  0001 C CNN
F 3 "" H 7050 1450 50  0001 C CNN
	1    7050 1450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5600 5450 6000 5450
Wire Wire Line
	5600 5650 6000 5650
$Comp
L Device:C_Small C1
U 1 1 5ECB95BB
P 5600 5550
F 0 "C1" H 5692 5596 50  0000 L CNN
F 1 "2u2" H 5692 5505 50  0000 L CNN
F 2 "stdpads:C_0603" H 5600 5550 50  0001 C CNN
F 3 "~" H 5600 5550 50  0001 C CNN
F 4 "C23630" H 5600 5550 50  0001 C CNN "LCSC Part"
	1    5600 5550
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C2
U 1 1 5ECB95C1
P 6000 5550
F 0 "C2" H 6092 5596 50  0000 L CNN
F 1 "2u2" H 6092 5505 50  0000 L CNN
F 2 "stdpads:C_0603" H 6000 5550 50  0001 C CNN
F 3 "~" H 6000 5550 50  0001 C CNN
F 4 "C23630" H 6000 5550 50  0001 C CNN "LCSC Part"
	1    6000 5550
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C3
U 1 1 5ECB95C7
P 6400 5550
F 0 "C3" H 6492 5596 50  0000 L CNN
F 1 "2u2" H 6492 5505 50  0000 L CNN
F 2 "stdpads:C_0603" H 6400 5550 50  0001 C CNN
F 3 "~" H 6400 5550 50  0001 C CNN
F 4 "C23630" H 6400 5550 50  0001 C CNN "LCSC Part"
	1    6400 5550
	1    0    0    -1  
$EndComp
Connection ~ 6000 5450
Wire Wire Line
	6000 5450 6400 5450
Connection ~ 6000 5650
Wire Wire Line
	6000 5650 6400 5650
$Comp
L power:+5V #PWR0146
U 1 1 5ECCC504
P 5600 5450
F 0 "#PWR0146" H 5600 5300 50  0001 C CNN
F 1 "+5V" H 5600 5600 50  0000 C CNN
F 2 "" H 5600 5450 50  0001 C CNN
F 3 "" H 5600 5450 50  0001 C CNN
	1    5600 5450
	1    0    0    -1  
$EndComp
Connection ~ 5600 5450
Text Label 4800 4550 0    50   ~ 0
RA10
Text Label 4800 4450 0    50   ~ 0
RA11
Text Label 4800 4350 0    50   ~ 0
RA12
Text Label 4800 4250 0    50   ~ 0
RA13
Text Label 4800 4150 0    50   ~ 0
RA14
Text Label 4800 6150 0    50   ~ 0
RA15
Text Label 4800 6050 0    50   ~ 0
RA16
Text Label 4800 5950 0    50   ~ 0
RA17
Text Label 4800 5450 0    50   ~ 0
RA22
$Comp
L power:+5V #PWR0147
U 1 1 5ECD0119
P 6450 1450
F 0 "#PWR0147" H 6450 1300 50  0001 C CNN
F 1 "+5V" H 6450 1600 50  0000 C CNN
F 2 "" H 6450 1450 50  0001 C CNN
F 3 "" H 6450 1450 50  0001 C CNN
	1    6450 1450
	1    0    0    -1  
$EndComp
Text Label 4800 5550 0    50   ~ 0
RA21
Text Label 4800 5650 0    50   ~ 0
RA20
Text Label 4800 5750 0    50   ~ 0
RA19
Text Label 4800 5850 0    50   ~ 0
RA18
Text Label 4000 4950 2    50   ~ 0
~WE~
Text Label 4000 1650 2    50   ~ 0
~OE~
Text Label 4000 1750 2    50   ~ 0
~CS~
$Comp
L Device:C_Small C11
U 1 1 5ECABC23
P 6750 5950
F 0 "C11" H 6842 5996 50  0000 L CNN
F 1 "2u2" H 6842 5905 50  0000 L CNN
F 2 "stdpads:C_0603" H 6750 5950 50  0001 C CNN
F 3 "~" H 6750 5950 50  0001 C CNN
F 4 "C23630" H 6750 5950 50  0001 C CNN "LCSC Part"
	1    6750 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C10
U 1 1 5ECABC1D
P 6350 5950
F 0 "C10" H 6442 5996 50  0000 L CNN
F 1 "2u2" H 6442 5905 50  0000 L CNN
F 2 "stdpads:C_0603" H 6350 5950 50  0001 C CNN
F 3 "~" H 6350 5950 50  0001 C CNN
F 4 "C23630" H 6350 5950 50  0001 C CNN "LCSC Part"
	1    6350 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C4
U 1 1 5ECABC30
P 6750 5550
F 0 "C4" H 6842 5596 50  0000 L CNN
F 1 "2u2" H 6842 5505 50  0000 L CNN
F 2 "stdpads:C_0603" H 6750 5550 50  0001 C CNN
F 3 "~" H 6750 5550 50  0001 C CNN
F 4 "C23630" H 6750 5550 50  0001 C CNN "LCSC Part"
	1    6750 5550
	1    0    0    -1  
$EndComp
Connection ~ 6400 5650
Wire Wire Line
	6750 5450 7150 5450
Wire Wire Line
	6400 5650 6750 5650
Connection ~ 6750 5450
Connection ~ 6750 5650
Wire Wire Line
	6750 5650 7150 5650
Connection ~ 7150 5450
Wire Wire Line
	7150 5450 7550 5450
Connection ~ 7150 5650
Wire Wire Line
	7150 5650 7550 5650
Connection ~ 7550 5450
Wire Wire Line
	7550 5450 7950 5450
Connection ~ 7550 5650
Wire Wire Line
	7550 5650 7950 5650
Connection ~ 7950 5650
Wire Wire Line
	5600 5850 6000 5850
Wire Wire Line
	5600 6050 6000 6050
Connection ~ 5600 5850
Wire Wire Line
	6350 5850 6750 5850
Wire Wire Line
	6350 6050 6750 6050
Connection ~ 6750 5850
Wire Wire Line
	6750 5850 7150 5850
Connection ~ 6750 6050
Wire Wire Line
	6750 6050 7150 6050
Connection ~ 7150 5850
Wire Wire Line
	7150 5850 7550 5850
Connection ~ 7150 6050
Wire Wire Line
	7150 6050 7550 6050
Connection ~ 7550 5850
Wire Wire Line
	7550 5850 7950 5850
Connection ~ 7550 6050
Wire Wire Line
	7550 6050 7950 6050
$Comp
L Device:C_Small C14
U 1 1 5EDC21D7
P 7950 5950
F 0 "C14" H 8042 5996 50  0000 L CNN
F 1 "2u2" H 8042 5905 50  0000 L CNN
F 2 "stdpads:C_0603" H 7950 5950 50  0001 C CNN
F 3 "~" H 7950 5950 50  0001 C CNN
F 4 "C23630" H 7950 5950 50  0001 C CNN "LCSC Part"
	1    7950 5950
	1    0    0    -1  
$EndComp
Connection ~ 7950 6050
Wire Wire Line
	6350 5850 6000 5850
Connection ~ 6350 5850
Connection ~ 6000 5850
Wire Wire Line
	6000 6050 6350 6050
Connection ~ 6000 6050
Connection ~ 6350 6050
$Comp
L Mechanical:MountingHole_Pad H3
U 1 1 5EDC8F09
P 8350 1500
F 0 "H3" H 8450 1503 50  0000 L CNN
F 1 " " H 8450 1458 50  0001 L CNN
F 2 "stdpads:PasteHole_1.152mm_NPTH" H 8350 1500 50  0001 C CNN
F 3 "~" H 8350 1500 50  0001 C CNN
	1    8350 1500
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H4
U 1 1 5EDC8F0F
P 8650 1500
F 0 "H4" H 8750 1503 50  0000 L CNN
F 1 " " H 8750 1458 50  0001 L CNN
F 2 "stdpads:PasteHole_1.152mm_NPTH" H 8650 1500 50  0001 C CNN
F 3 "~" H 8650 1500 50  0001 C CNN
	1    8650 1500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0145
U 1 1 5EDC9F0C
P 8650 1600
F 0 "#PWR0145" H 8650 1350 50  0001 C CNN
F 1 "GND" H 8650 1450 50  0000 C CNN
F 2 "" H 8650 1600 50  0001 C CNN
F 3 "" H 8650 1600 50  0001 C CNN
	1    8650 1600
	-1   0    0    -1  
$EndComp
$Comp
L Mechanical:Fiducial FID1
U 1 1 5EDCC581
P 7750 1800
F 0 "FID1" H 7835 1846 50  0000 L CNN
F 1 "Fiducial" H 7835 1755 50  0000 L CNN
F 2 "stdpads:Fiducial" H 7750 1800 50  0001 C CNN
F 3 "~" H 7750 1800 50  0001 C CNN
	1    7750 1800
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:Fiducial FID2
U 1 1 5EDCCA31
P 8250 1800
F 0 "FID2" H 8335 1846 50  0000 L CNN
F 1 "Fiducial" H 8335 1755 50  0000 L CNN
F 2 "stdpads:Fiducial" H 8250 1800 50  0001 C CNN
F 3 "~" H 8250 1800 50  0001 C CNN
	1    8250 1800
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:Fiducial FID3
U 1 1 5EDCCCF0
P 7750 2000
F 0 "FID3" H 7835 2046 50  0000 L CNN
F 1 "Fiducial" H 7835 1955 50  0000 L CNN
F 2 "stdpads:Fiducial" H 7750 2000 50  0001 C CNN
F 3 "~" H 7750 2000 50  0001 C CNN
	1    7750 2000
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:Fiducial FID4
U 1 1 5EDCCFC0
P 8250 2000
F 0 "FID4" H 8335 2046 50  0000 L CNN
F 1 "Fiducial" H 8335 1955 50  0000 L CNN
F 2 "stdpads:Fiducial" H 8250 2000 50  0001 C CNN
F 3 "~" H 8250 2000 50  0001 C CNN
	1    8250 2000
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H2
U 1 1 5EE01FE6
P 8050 1500
F 0 "H2" H 8150 1503 50  0000 L CNN
F 1 " " H 8150 1458 50  0001 L CNN
F 2 "stdpads:PasteHole_1.152mm_NPTH" H 8050 1500 50  0001 C CNN
F 3 "~" H 8050 1500 50  0001 C CNN
	1    8050 1500
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H1
U 1 1 5EE01FE0
P 7750 1500
F 0 "H1" H 7850 1503 50  0000 L CNN
F 1 " " H 7850 1458 50  0001 L CNN
F 2 "stdpads:PasteHole_1.152mm_NPTH" H 7750 1500 50  0001 C CNN
F 3 "~" H 7750 1500 50  0001 C CNN
	1    7750 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 1600 8050 1600
Connection ~ 8050 1600
Wire Wire Line
	8050 1600 8350 1600
Connection ~ 8350 1600
Wire Wire Line
	8350 1600 8650 1600
Connection ~ 8650 1600
Wire Wire Line
	2500 2850 2600 2850
Wire Wire Line
	2500 2650 2500 2850
Wire Wire Line
	2400 2650 2500 2650
$Comp
L power:GND #PWR0122
U 1 1 5EC6163B
P 2400 2650
F 0 "#PWR0122" H 2400 2400 50  0001 C CNN
F 1 "GND" H 2400 2500 50  0000 C CNN
F 2 "" H 2400 2650 50  0001 C CNN
F 3 "" H 2400 2650 50  0001 C CNN
	1    2400 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2500 1550 2600 1550
Wire Wire Line
	2500 1350 2500 1550
$Comp
L power:GND #PWR0121
U 1 1 5EC60103
P 2400 1350
F 0 "#PWR0121" H 2400 1100 50  0001 C CNN
F 1 "GND" H 2400 1200 50  0000 C CNN
F 2 "" H 2400 1350 50  0001 C CNN
F 3 "" H 2400 1350 50  0001 C CNN
	1    2400 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 1350 2500 1350
Wire Wire Line
	3900 1550 4000 1550
Wire Wire Line
	3900 1350 3900 1550
Wire Wire Line
	3800 1350 3900 1350
$Comp
L power:GND #PWR0130
U 1 1 5EC893B0
P 3800 1350
F 0 "#PWR0130" H 3800 1100 50  0001 C CNN
F 1 "GND" H 3800 1200 50  0000 C CNN
F 2 "" H 3800 1350 50  0001 C CNN
F 3 "" H 3800 1350 50  0001 C CNN
	1    3800 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	3900 3950 3900 4150
Wire Wire Line
	3800 3950 3900 3950
$Comp
L power:GND #PWR0132
U 1 1 5EC893C2
P 3800 3950
F 0 "#PWR0132" H 3800 3700 50  0001 C CNN
F 1 "GND" H 3800 3800 50  0000 C CNN
F 2 "" H 3800 3950 50  0001 C CNN
F 3 "" H 3800 3950 50  0001 C CNN
	1    3800 3950
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0127
U 1 1 5EC8935B
P 4000 4050
F 0 "#PWR0127" H 4000 3900 50  0001 C CNN
F 1 "+3V3" H 4000 4200 50  0000 C CNN
F 2 "" H 4000 4050 50  0001 C CNN
F 3 "" H 4000 4050 50  0001 C CNN
	1    4000 4050
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0153
U 1 1 A08D2337
P 8350 6050
F 0 "#PWR0153" H 8350 5800 50  0001 C CNN
F 1 "GND" H 8350 5900 50  0000 C CNN
F 2 "" H 8350 6050 50  0001 C CNN
F 3 "" H 8350 6050 50  0001 C CNN
	1    8350 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	7950 5850 8350 5850
Wire Wire Line
	7950 6050 8350 6050
$Comp
L Device:C_Small C15
U 1 1 A08D233F
P 8350 5950
F 0 "C15" H 8442 5996 50  0000 L CNN
F 1 "2u2" H 8442 5905 50  0000 L CNN
F 2 "stdpads:C_0603" H 8350 5950 50  0001 C CNN
F 3 "~" H 8350 5950 50  0001 C CNN
F 4 "C23630" H 8350 5950 50  0001 C CNN "LCSC Part"
	1    8350 5950
	1    0    0    -1  
$EndComp
Connection ~ 8350 6050
$Comp
L GW_Logic:741G02GW U12
U 1 1 5EF4BDF5
P 5700 3250
F 0 "U12" H 5700 3500 50  0000 C CNN
F 1 "74LVC1G02GW" H 5700 3000 50  0000 C CNN
F 2 "stdpads:SOT-353" H 5700 2950 50  0001 C TNN
F 3 "" H 5700 3050 60  0001 C CNN
F 4 "C353856" H 5700 3250 50  0001 C CNN "LCSC Part"
	1    5700 3250
	1    0    0    -1  
$EndComp
Text Label 5300 3150 2    50   ~ 0
~CS~
$Comp
L power:+3V3 #PWR0154
U 1 1 5EF4CD76
P 6100 3150
F 0 "#PWR0154" H 6100 3000 50  0001 C CNN
F 1 "+3V3" H 6100 3300 50  0000 C CNN
F 2 "" H 6100 3150 50  0001 C CNN
F 3 "" H 6100 3150 50  0001 C CNN
	1    6100 3150
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0155
U 1 1 5EF4D490
P 5300 3350
F 0 "#PWR0155" H 5300 3100 50  0001 C CNN
F 1 "GND" H 5300 3200 50  0000 C CNN
F 2 "" H 5300 3350 50  0001 C CNN
F 3 "" H 5300 3350 50  0001 C CNN
	1    5300 3350
	-1   0    0    -1  
$EndComp
Text Label 6500 3350 0    50   ~ 0
DdirR
Text Label 5300 3250 2    50   ~ 0
~OE~
$Comp
L Device:R_Small R3
U 1 1 5EFDEB5D
P 6400 3350
F 0 "R3" V 6350 3350 50  0000 C BNN
F 1 "100" V 6450 3350 50  0000 C TNN
F 2 "stdpads:R_0603" H 6400 3350 50  0001 C CNN
F 3 "~" H 6400 3350 50  0001 C CNN
F 4 "C22775" V 6400 3350 50  0001 C CNN "LCSC Part"
	1    6400 3350
	0    1    1    0   
$EndComp
Text Label 6100 3350 0    50   ~ 0
Ddir
Wire Wire Line
	6100 3350 6300 3350
Text Label 6500 2550 0    50   ~ 0
RA23
$Comp
L Device:R_Small R1
U 1 1 CB6D6B90
P 6100 2300
F 0 "R1" H 6159 2346 50  0000 L CNN
F 1 "3k3" H 6159 2255 50  0000 L CNN
F 2 "stdpads:R_0603" H 6100 2300 50  0001 C CNN
F 3 "~" H 6100 2300 50  0001 C CNN
F 4 "C22978" H 6100 2300 50  0001 C CNN "LCSC Part"
	1    6100 2300
	1    0    0    1   
$EndComp
$Comp
L power:+3V3 #PWR0151
U 1 1 CB6D6B97
P 6400 2200
F 0 "#PWR0151" H 6400 2050 50  0001 C CNN
F 1 "+3V3" H 6400 2350 50  0000 C CNN
F 2 "" H 6400 2200 50  0001 C CNN
F 3 "" H 6400 2200 50  0001 C CNN
	1    6400 2200
	-1   0    0    -1  
$EndComp
Text Label 6500 2450 0    50   ~ 0
RA22sw
Wire Wire Line
	6500 2450 6400 2450
$Comp
L Device:R_Small R2
U 1 1 CB6E14B2
P 6400 2300
F 0 "R2" H 6459 2346 50  0000 L CNN
F 1 "3k3" H 6459 2255 50  0000 L CNN
F 2 "stdpads:R_0603" H 6400 2300 50  0001 C CNN
F 3 "~" H 6400 2300 50  0001 C CNN
F 4 "C22978" H 6400 2300 50  0001 C CNN "LCSC Part"
	1    6400 2300
	1    0    0    1   
$EndComp
Wire Wire Line
	6000 2550 6100 2550
Wire Wire Line
	6400 2450 6400 2400
Wire Wire Line
	6100 2550 6500 2550
Connection ~ 6100 2550
Wire Wire Line
	6100 2550 6100 2400
Connection ~ 6400 2450
Wire Wire Line
	6400 2450 6000 2450
Wire Wire Line
	6400 2200 6100 2200
$Comp
L power:GND #PWR0152
U 1 1 CB700278
P 5400 2550
F 0 "#PWR0152" H 5400 2300 50  0001 C CNN
F 1 "GND" H 5400 2400 50  0000 C CNN
F 2 "" H 5400 2550 50  0001 C CNN
F 3 "" H 5400 2550 50  0001 C CNN
	1    5400 2550
	-1   0    0    -1  
$EndComp
Text Label 5400 2450 2    50   ~ 0
RA22
$Comp
L Regulator_Linear:XC6206PxxxMR U11
U 1 1 CB714CD3
P 6750 1450
F 0 "U11" H 6750 1600 50  0000 C CNN
F 1 "XC6206P332MR" H 6750 1700 50  0000 C CNN
F 2 "stdpads:SOT-23" H 6750 1675 50  0001 C CIN
F 3 "https://www.torexsemi.com/file/xc6206/XC6206.pdf" H 6750 1450 50  0001 C CNN
F 4 "C5446" H 6750 1450 50  0001 C CNN "LCSC Part"
	1    6750 1450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0148
U 1 1 5ECD0869
P 6750 1750
F 0 "#PWR0148" H 6750 1500 50  0001 C CNN
F 1 "GND" H 6750 1600 50  0000 C CNN
F 2 "" H 6750 1750 50  0001 C CNN
F 3 "" H 6750 1750 50  0001 C CNN
	1    6750 1750
	-1   0    0    -1  
$EndComp
Connection ~ 6400 2200
$Comp
L Switch:SW_DIP_x02 SW1
U 1 1 CB6D2346
P 5700 2550
F 0 "SW1" H 5700 2800 50  0000 C CNN
F 1 "ROM Sel." H 5700 2400 50  0000 C CNN
F 2 "stdpads:SW_DIP_SPSTx02_Slide_DSHP02TS_P1.27mm" H 5700 2550 50  0001 C CNN
F 3 "~" H 5700 2550 50  0001 C CNN
F 4 "C319052" H 5700 2550 50  0001 C CNN "LCSC Part"
	1    5700 2550
	1    0    0    -1  
$EndComp
$Comp
L GW_Logic:74245 U9
U 1 1 5EC8934F
P 4400 4500
F 0 "U9" H 4400 5100 50  0000 C CNN
F 1 "74AHC245" H 4400 3900 50  0000 C CNN
F 2 "stdpads:TSSOP-20_4.4x6.5mm_P0.65mm" H 4400 3850 50  0001 C TNN
F 3 "" H 4400 4600 60  0001 C CNN
F 4 "C132987" H 4400 4500 50  0001 C CNN "LCSC Part"
	1    4400 4500
	-1   0    0    -1  
$EndComp
Text Label 4800 4650 0    50   ~ 0
RA9
$EndSCHEMATC