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2291 lines (2291 loc) · 49.2 KB
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EESchema Schematic File Version 4
LIBS:6502sbc-cache
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Wire Wire Line
8900 4900 9000 4900
Wire Wire Line
8900 5000 9000 5000
Wire Wire Line
8900 5100 9000 5100
Wire Wire Line
8900 5200 9000 5200
Wire Wire Line
8900 5300 9000 5300
Wire Wire Line
8900 5400 9000 5400
Text Label 9000 3500 0 50 ~ 0
PA0
Text Label 9000 3600 0 50 ~ 0
PA1
Text Label 9000 3700 0 50 ~ 0
PA2
Text Label 9000 3800 0 50 ~ 0
PA3
Text Label 9000 3900 0 50 ~ 0
PA4
Text Label 9000 4000 0 50 ~ 0
PA5
Text Label 9000 4100 0 50 ~ 0
PA6
Text Label 9000 4200 0 50 ~ 0
PA7
Text Label 9000 4700 0 50 ~ 0
PB0
Text Label 9000 4800 0 50 ~ 0
PB1
Text Label 9000 4900 0 50 ~ 0
PB2
Text Label 9000 5000 0 50 ~ 0
PB3
Text Label 9000 5100 0 50 ~ 0
PB4
Text Label 9000 5200 0 50 ~ 0
PB5
Text Label 9000 5300 0 50 ~ 0
PB6
Text Label 9000 5400 0 50 ~ 0
PB7
Entry Wire Line
5200 3600 5300 3700
Entry Wire Line
5200 3700 5300 3800
Wire Wire Line
5200 3600 5100 3600
Wire Wire Line
5200 3700 5100 3700
Entry Wire Line
9900 3300 10000 3400
Entry Wire Line
9900 3400 10000 3500
Entry Wire Line
9900 3600 10000 3700
Entry Wire Line
9900 3800 10000 3900
Entry Wire Line
9900 3900 10000 4000
Entry Wire Line
9900 4100 10000 4200
Entry Wire Line
9900 4200 10000 4300
Entry Wire Line
7500 3300 7600 3400
Entry Wire Line
7500 3400 7600 3500
Entry Wire Line
7500 3600 7600 3700
Entry Wire Line
7500 3800 7600 3900
Entry Wire Line
7500 3900 7600 4000
Entry Wire Line
7500 4100 7600 4200
Entry Wire Line
7500 4200 7600 4300
Entry Wire Line
7500 4300 7600 4400
Entry Wire Line
7500 4400 7600 4500
Entry Wire Line
7500 4600 7600 4700
Text Label 5100 3600 2 50 ~ 0
CLK_PHASE1
Text Label 5100 3700 2 50 ~ 0
CLK_PHASE2
Wire Wire Line
7500 3300 7400 3300
Wire Wire Line
7500 3400 7400 3400
Wire Wire Line
7500 3600 7400 3600
Wire Wire Line
7500 3800 7400 3800
Wire Wire Line
7500 3900 7400 3900
Wire Wire Line
7500 4100 7400 4100
Wire Wire Line
7500 4200 7400 4200
Wire Wire Line
7500 4300 7400 4300
Wire Wire Line
7500 4400 7400 4400
Wire Wire Line
7500 4600 7400 4600
Text Label 7400 3300 0 50 ~ 0
RES
Text Label 7400 3400 2 50 ~ 0
CLK_PHASE2
Wire Wire Line
9900 3300 9800 3300
Wire Wire Line
9900 3400 9800 3400
Wire Wire Line
9900 3600 9800 3600
Wire Wire Line
9900 3800 9800 3800
Wire Wire Line
9900 3900 9800 3900
Wire Wire Line
9900 4100 9800 4100
Wire Wire Line
9900 4200 9800 4200
Text Label 9800 3300 0 50 ~ 0
RES
Text Label 9800 3400 2 50 ~ 0
CLK_PHASE2
Text Label 7400 3600 0 50 ~ 0
IRQ
Text Label 9800 3600 0 50 ~ 0
IRQ
Wire Wire Line
3400 1100 3400 1150
Wire Wire Line
3400 1450 3400 1550
Wire Wire Line
3400 1850 3400 1900
$Comp
L Memory_EEPROM:28C256 U7
U 1 1 60A68306
P 13400 2200
F 0 "U7" H 13400 3482 50 0000 C CNN
F 1 "28C256" H 13400 3389 50 0000 C CNN
F 2 "" H 13400 2200 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 13400 2200 50 0001 C CNN
1 13400 2200
1 0 0 -1
$EndComp
Entry Wire Line
13800 1300 13900 1400
Entry Wire Line
13800 1400 13900 1500
Entry Wire Line
13800 1500 13900 1600
Entry Wire Line
13800 1600 13900 1700
Entry Wire Line
13800 1700 13900 1800
Entry Wire Line
13800 1800 13900 1900
Entry Wire Line
13800 1900 13900 2000
Entry Wire Line
13800 2000 13900 2100
Wire Wire Line
13900 1400 14000 1400
Wire Wire Line
13900 1500 14000 1500
Wire Wire Line
13900 1600 14000 1600
Wire Wire Line
13900 1700 14000 1700
Wire Wire Line
13900 1800 14000 1800
Wire Wire Line
13900 1900 14000 1900
Wire Wire Line
13900 2000 14000 2000
Wire Wire Line
13900 2100 14000 2100
Text Label 14000 1400 0 50 ~ 0
D0
Text Label 14000 1500 0 50 ~ 0
D1
Text Label 14000 1600 0 50 ~ 0
D2
Text Label 14000 1700 0 50 ~ 0
D3
Text Label 14000 1800 0 50 ~ 0
D4
Text Label 14000 1900 0 50 ~ 0
D5
Text Label 14000 2000 0 50 ~ 0
D6
Text Label 14000 2100 0 50 ~ 0
D7
Entry Wire Line
12900 1200 13000 1300
Entry Wire Line
12900 1300 13000 1400
Entry Wire Line
12900 1400 13000 1500
Entry Wire Line
12900 1500 13000 1600
Entry Wire Line
12900 1600 13000 1700
Entry Wire Line
12900 1700 13000 1800
Entry Wire Line
12900 1800 13000 1900
Entry Wire Line
12900 1900 13000 2000
Entry Wire Line
12900 2000 13000 2100
Entry Wire Line
12900 2100 13000 2200
Entry Wire Line
12900 2200 13000 2300
Entry Wire Line
12900 2300 13000 2400
Entry Wire Line
12900 2400 13000 2500
Entry Wire Line
12900 2500 13000 2600
Entry Wire Line
12900 2600 13000 2700
Wire Wire Line
12900 1200 12800 1200
Wire Wire Line
12900 1300 12800 1300
Wire Wire Line
12900 1400 12800 1400
Wire Wire Line
12900 1500 12800 1500
Wire Wire Line
12900 1600 12800 1600
Wire Wire Line
12900 1700 12800 1700
Wire Wire Line
12900 1800 12800 1800
Wire Wire Line
12900 1900 12800 1900
Wire Wire Line
12900 2000 12800 2000
Wire Wire Line
12900 2100 12800 2100
Wire Wire Line
12900 2200 12800 2200
Wire Wire Line
12900 2300 12800 2300
Wire Wire Line
12900 2400 12800 2400
Wire Wire Line
12800 2500 12900 2500
Wire Wire Line
12900 2600 12800 2600
Text Label 12800 1200 0 50 ~ 0
A0
Text Label 12800 1300 0 50 ~ 0
A1
Text Label 12800 1400 0 50 ~ 0
A2
Text Label 12800 1500 0 50 ~ 0
A3
Text Label 12800 1600 0 50 ~ 0
A4
Text Label 12800 1700 0 50 ~ 0
A5
Text Label 12800 1800 0 50 ~ 0
A6
Text Label 12800 1900 0 50 ~ 0
A7
Text Label 12800 2000 0 50 ~ 0
A8
Text Label 12800 2100 0 50 ~ 0
A9
Text Label 12800 2200 0 50 ~ 0
A10
Text Label 12800 2300 0 50 ~ 0
A11
Text Label 12800 2400 0 50 ~ 0
A12
Text Label 12800 2500 0 50 ~ 0
A13
Text Label 12800 2600 0 50 ~ 0
A14
Text GLabel 13400 1100 2 50 Input ~ 0
vdd
$Comp
L Device:C C7
U 1 1 60B0419C
P 14200 950
F 0 "C7" V 13945 950 50 0000 C CNN
F 1 "100n" V 14038 950 50 0000 C CNN
F 2 "" H 14238 800 50 0001 C CNN
F 3 "~" H 14200 950 50 0001 C CNN
1 14200 950
0 1 1 0
$EndComp
Text GLabel 14050 950 0 50 Input ~ 0
vdd
Entry Wire Line
9900 4600 10000 4700
Wire Wire Line
9900 4600 9800 4600
$Comp
L Memory_NVRAM:FM1808B-SG U8
U 1 1 60B11467
P 13500 5100
F 0 "U8" H 13500 6182 50 0000 C CNN
F 1 "FM1808B-SG" H 13500 6089 50 0000 C CNN
F 2 "Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm" H 13500 5100 50 0001 C CNN
F 3 "http://www.cypress.com/file/136521/download" H 13500 5100 50 0001 C CNN
1 13500 5100
1 0 0 -1
$EndComp
Text Notes 12450 3750 0 50 ~ 0
VERIFY PINOUT IS CORRECT FOR BOTH SRAM AND EEPROM\n\n
Text Notes 14550 4900 0 50 ~ 0
Footprint is SOIC not DIP!\n
Entry Wire Line
14000 4400 14100 4500
Entry Wire Line
14000 4500 14100 4600
Entry Wire Line
14000 4600 14100 4700
Entry Wire Line
14000 4700 14100 4800
Entry Wire Line
14000 4800 14100 4900
Entry Wire Line
14000 4900 14100 5000
Entry Wire Line
14000 5000 14100 5100
Entry Wire Line
14000 5100 14100 5200
Entry Wire Line
12900 4300 13000 4400
Entry Wire Line
12900 4400 13000 4500
Entry Wire Line
12900 4500 13000 4600
Entry Wire Line
12900 4600 13000 4700
Entry Wire Line
12900 4700 13000 4800
Entry Wire Line
12900 4800 13000 4900
Entry Wire Line
12900 4900 13000 5000
Entry Wire Line
12900 5000 13000 5100
Entry Wire Line
12900 5100 13000 5200
Entry Wire Line
12900 5200 13000 5300
Entry Wire Line
12900 5300 13000 5400
Entry Wire Line
12900 5400 13000 5500
Entry Wire Line
12900 5500 13000 5600
Entry Wire Line
12900 5600 13000 5700
Entry Wire Line
12900 5700 13000 5800
Text GLabel 13500 4200 0 50 Input ~ 0
vdd
Entry Wire Line
14000 5500 14100 5600
Entry Wire Line
14000 5600 14100 5700
Entry Wire Line
14000 5800 14100 5900
Wire Wire Line
12900 4300 12800 4300
Wire Wire Line
12900 4400 12800 4400
Wire Wire Line
12900 4500 12800 4500
Wire Wire Line
12900 4600 12800 4600
Wire Wire Line
12900 4700 12800 4700
Wire Wire Line
12900 4800 12800 4800
Wire Wire Line
12900 4900 12800 4900
Wire Wire Line
12900 5000 12800 5000
Wire Wire Line
12900 5100 12800 5100
Wire Wire Line
12900 5200 12800 5200
Wire Wire Line
12900 5300 12800 5300
Wire Wire Line
12900 5400 12800 5400
Wire Wire Line
12900 5500 12800 5500
Wire Wire Line
12900 5600 12800 5600
Wire Wire Line
12900 5700 12800 5700
Wire Wire Line
14100 4500 14200 4500
Wire Wire Line
14100 4600 14200 4600
Wire Wire Line
14100 4700 14200 4700
Wire Wire Line
14100 4800 14200 4800
Wire Wire Line
14100 4900 14200 4900
Wire Wire Line
14100 5000 14200 5000
Wire Wire Line
14100 5100 14200 5100