mirror of
https://github.com/tjboldt/Apple2-IO-RPi.git
synced 2024-11-28 11:51:00 +00:00
f045f4338f
- Remove resistor voltage dividers - Change to 74LVC parts with +3.3V VCC - Remove control lines
940 lines
20 KiB
Plaintext
940 lines
20 KiB
Plaintext
EESchema Schematic File Version 4
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EELAYER 30 0
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EELAYER END
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$Descr USLedger 17000 11000
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encoding utf-8
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Sheet 1 1
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Title "Apple II I/O RPi"
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Date "2020-11-19"
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Rev "0.5"
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Comp "Terence J. Boldt"
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Comment1 "Initial draft desgn"
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Comment2 "Provides storage and network for the Apple ]["
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Comment3 "Raspberry Pi Zero W as a daughter board"
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Comment4 "Expansion card for Apple ][ computers"
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$EndDescr
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$Comp
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L Connector_Generic:Conn_02x25_Counter_Clockwise J0
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U 1 1 5FA0A8C3
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P 3300 4100
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F 0 "J0" H 3350 5517 50 0000 C CNN
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F 1 "Apple II Expansion Bus" H 3350 5426 50 0000 C CNN
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F 2 "Apple2:Apple II Expansion Edge Connector" H 3300 4100 50 0001 C CNN
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F 3 "~" H 3300 4100 50 0001 C CNN
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1 3300 4100
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1 0 0 -1
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$EndComp
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$Comp
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L Memory_EPROM:2764 U1
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U 1 1 5FA0EF8B
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P 6250 7800
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F 0 "U1" H 6250 8981 50 0000 C CNN
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F 1 "2764" H 6250 8890 50 0000 C CNN
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F 2 "Package_DIP:DIP-28_W15.24mm" H 6250 7800 50 0001 C CNN
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F 3 "https://downloads.reactivemicro.com/Electronics/ROM/2764%20EPROM.pdf" H 6250 7800 50 0001 C CNN
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1 6250 7800
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS245 U0
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U 1 1 5FA15F43
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P 5150 3500
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F 0 "U0" H 5150 4481 50 0000 C CNN
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F 1 "74LS245" H 5150 4390 50 0000 C CNN
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F 2 "Package_DIP:DIP-20_W7.62mm" H 5150 3500 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 5150 3500 50 0001 C CNN
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1 5150 3500
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS245 U4
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U 1 1 5FA19168
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P 9400 3500
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F 0 "U4" H 9400 4481 50 0000 C CNN
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F 1 "74LVC245" H 9400 4390 50 0000 C CNN
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F 2 "Package_DIP:DIP-20_W7.62mm" H 9400 3500 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 9400 3500 50 0001 C CNN
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1 9400 3500
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1 0 0 -1
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$EndComp
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$Comp
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L Connector:Raspberry_Pi_2_3 J1
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U 1 1 5FA19C2C
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P 13350 3950
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F 0 "J1" H 13350 5431 50 0000 C CNN
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F 1 "Raspberry_Pi_2_3" H 13350 5340 50 0000 C CNN
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F 2 "Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical" H 13350 3950 50 0001 C CNN
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F 3 "https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_3bplus_1p0_reduced.pdf" H 13350 3950 50 0001 C CNN
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1 13350 3950
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS374 U5
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U 1 1 5FA1EB22
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P 9400 5500
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F 0 "U5" H 9400 6481 50 0000 C CNN
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F 1 "74LVC374" H 9400 6390 50 0000 C CNN
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F 2 "Package_DIP:DIP-20_W7.62mm" H 9400 5500 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS374" H 9400 5500 50 0001 C CNN
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1 9400 5500
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4650 3000 3600 3000
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Wire Wire Line
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4650 3100 3600 3100
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Wire Wire Line
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4650 3200 3600 3200
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Wire Wire Line
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3600 3300 4650 3300
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|
Wire Wire Line
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4650 3400 3600 3400
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Wire Wire Line
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3600 3500 4650 3500
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Wire Wire Line
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4650 3600 3600 3600
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Wire Wire Line
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3600 3700 4650 3700
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Wire Wire Line
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5650 3000 6650 3000
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Wire Wire Line
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5650 3100 6700 3100
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|
Wire Wire Line
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8900 3200 8300 3200
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Wire Wire Line
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5650 3300 6800 3300
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Wire Wire Line
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5650 3400 6850 3400
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Wire Wire Line
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8900 3500 8150 3500
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Wire Wire Line
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5650 3600 6950 3600
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Wire Wire Line
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8900 3700 8050 3700
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Wire Wire Line
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8400 3000 8400 5000
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Wire Wire Line
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8400 5000 8900 5000
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Connection ~ 8400 3000
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Wire Wire Line
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8400 3000 8900 3000
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Wire Wire Line
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8350 3100 8350 5100
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Wire Wire Line
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8350 5100 8900 5100
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Connection ~ 8350 3100
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Wire Wire Line
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8350 3100 8900 3100
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Wire Wire Line
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8300 3200 8300 5200
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Wire Wire Line
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8300 5200 8900 5200
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Connection ~ 8300 3200
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Wire Wire Line
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8300 3200 6750 3200
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Wire Wire Line
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8250 3300 8250 5300
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Wire Wire Line
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8250 5300 8900 5300
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Connection ~ 8250 3300
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Wire Wire Line
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8250 3300 8900 3300
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Wire Wire Line
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8200 3400 8200 5400
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Wire Wire Line
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8200 5400 8900 5400
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Connection ~ 8200 3400
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Wire Wire Line
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8200 3400 8900 3400
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Wire Wire Line
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8150 3500 8150 5500
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Wire Wire Line
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8150 5500 8900 5500
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Connection ~ 8150 3500
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Wire Wire Line
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8150 3500 6900 3500
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Wire Wire Line
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8100 3600 8100 5600
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Wire Wire Line
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8100 5600 8900 5600
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Connection ~ 8100 3600
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Wire Wire Line
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8100 3600 8900 3600
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Wire Wire Line
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8050 3700 8050 5700
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Wire Wire Line
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8050 5700 8900 5700
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Connection ~ 8050 3700
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Wire Wire Line
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8050 3700 7000 3700
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Wire Wire Line
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6650 7000 6650 3000
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Connection ~ 6650 3000
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Wire Wire Line
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6650 3000 8400 3000
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Wire Wire Line
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6700 3100 6700 7100
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Wire Wire Line
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6700 7100 6650 7100
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Connection ~ 6700 3100
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Wire Wire Line
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6700 3100 8350 3100
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Wire Wire Line
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6750 7200 6650 7200
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Wire Wire Line
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6750 3200 6750 7200
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Connection ~ 6750 3200
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Wire Wire Line
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6750 3200 5650 3200
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Wire Wire Line
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6800 3300 6800 7300
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Wire Wire Line
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6800 7300 6650 7300
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Connection ~ 6800 3300
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Wire Wire Line
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6800 3300 8250 3300
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Wire Wire Line
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6650 7400 6850 7400
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Wire Wire Line
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6850 7400 6850 3400
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Connection ~ 6850 3400
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Wire Wire Line
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6850 3400 8200 3400
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Wire Wire Line
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6900 3500 6900 7500
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Wire Wire Line
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6900 7500 6650 7500
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Connection ~ 6900 3500
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Wire Wire Line
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6900 3500 5650 3500
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Wire Wire Line
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6650 7600 6950 7600
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Wire Wire Line
|
|
6950 7600 6950 3600
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Connection ~ 6950 3600
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Wire Wire Line
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6950 3600 8100 3600
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Wire Wire Line
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7000 3700 7000 7700
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Wire Wire Line
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7000 7700 6650 7700
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Connection ~ 7000 3700
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Wire Wire Line
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7000 3700 5650 3700
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Wire Wire Line
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5850 7000 2950 7000
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Wire Wire Line
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2950 7000 2950 5950
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Wire Wire Line
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2950 3000 3100 3000
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Wire Wire Line
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3100 3100 2900 3100
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Wire Wire Line
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2900 3100 2900 6450
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Wire Wire Line
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2900 7100 5850 7100
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Wire Wire Line
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5850 7200 2850 7200
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Wire Wire Line
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2850 7200 2850 3200
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Wire Wire Line
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2850 3200 3100 3200
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Wire Wire Line
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3100 3300 2800 3300
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Wire Wire Line
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2800 3300 2800 7300
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Wire Wire Line
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2800 7300 5850 7300
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Wire Wire Line
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3100 3400 2750 3400
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Wire Wire Line
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2750 3400 2750 7400
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Wire Wire Line
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2750 7400 5850 7400
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Wire Wire Line
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5850 7500 2700 7500
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Wire Wire Line
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2700 7500 2700 3500
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Wire Wire Line
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2700 3500 3100 3500
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Wire Wire Line
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3100 3600 2650 3600
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Wire Wire Line
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2650 3600 2650 7600
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Wire Wire Line
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2650 7600 5850 7600
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Wire Wire Line
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5850 7700 2600 7700
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Wire Wire Line
|
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2600 7700 2600 3700
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Wire Wire Line
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2600 3700 3100 3700
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Wire Wire Line
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5850 7800 2550 7800
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Wire Wire Line
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2550 7800 2550 3800
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Wire Wire Line
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2550 3800 3100 3800
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Wire Wire Line
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3100 3900 2500 3900
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Wire Wire Line
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2500 3900 2500 7900
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Wire Wire Line
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2500 7900 5850 7900
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Wire Wire Line
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5850 8000 2450 8000
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Wire Wire Line
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2450 8000 2450 4000
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Wire Wire Line
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2450 4000 3100 4000
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Wire Wire Line
|
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3100 2900 3000 2900
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Wire Wire Line
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3000 2900 3000 5500
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Wire Wire Line
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3000 8600 5700 8600
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Wire Wire Line
|
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5850 8700 5700 8700
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Wire Wire Line
|
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5700 8700 5700 8600
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Connection ~ 5700 8600
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Wire Wire Line
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5700 8600 5850 8600
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Wire Wire Line
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5700 8500 5700 8400
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Wire Wire Line
|
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5700 8400 5850 8400
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Wire Wire Line
|
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5700 8500 5850 8500
|
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Wire Wire Line
|
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5700 8400 5700 6800
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Wire Wire Line
|
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5700 6800 6250 6800
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Connection ~ 5700 8400
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Wire Wire Line
|
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3100 5300 3100 6800
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Wire Wire Line
|
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3100 6800 5700 6800
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Connection ~ 5700 6800
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Wire Wire Line
|
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3600 5300 3600 8900
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Wire Wire Line
|
|
3600 8900 6250 8900
|
|
Wire Wire Line
|
|
5700 2700 7700 2700
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|
Wire Wire Line
|
|
5700 2700 5700 3850
|
|
Wire Wire Line
|
|
6250 8900 6750 8900
|
|
Wire Wire Line
|
|
8600 8900 8600 7750
|
|
Wire Wire Line
|
|
8600 6300 9400 6300
|
|
Connection ~ 6250 8900
|
|
Wire Wire Line
|
|
8600 6300 8600 6000
|
|
Wire Wire Line
|
|
8600 4300 9400 4300
|
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Connection ~ 8600 6300
|
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Wire Wire Line
|
|
8900 3900 8600 3900
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|
Wire Wire Line
|
|
8600 3900 8600 4300
|
|
Connection ~ 8600 4300
|
|
Wire Wire Line
|
|
8900 6000 8600 6000
|
|
Connection ~ 8600 6000
|
|
Wire Wire Line
|
|
8600 6000 8600 4300
|
|
Wire Wire Line
|
|
13250 2650 13150 2650
|
|
Connection ~ 13150 2650
|
|
Wire Wire Line
|
|
9400 4300 9900 4300
|
|
Wire Wire Line
|
|
10950 4300 10950 5250
|
|
Wire Wire Line
|
|
10950 5250 12950 5250
|
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Connection ~ 9400 4300
|
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Wire Wire Line
|
|
12950 5250 13050 5250
|
|
Connection ~ 12950 5250
|
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Wire Wire Line
|
|
13050 5250 13150 5250
|
|
Connection ~ 13050 5250
|
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Wire Wire Line
|
|
13150 5250 13250 5250
|
|
Connection ~ 13150 5250
|
|
Wire Wire Line
|
|
13250 5250 13350 5250
|
|
Connection ~ 13250 5250
|
|
Wire Wire Line
|
|
13350 5250 13450 5250
|
|
Connection ~ 13350 5250
|
|
Wire Wire Line
|
|
13450 5250 13550 5250
|
|
Connection ~ 13450 5250
|
|
Wire Wire Line
|
|
13550 5250 13650 5250
|
|
Connection ~ 13550 5250
|
|
Connection ~ 3600 5300
|
|
Wire Wire Line
|
|
14150 3650 14400 3650
|
|
Wire Wire Line
|
|
14400 3650 14400 2500
|
|
Wire Wire Line
|
|
14400 2500 9900 2500
|
|
Wire Wire Line
|
|
9900 2500 9900 3000
|
|
Wire Wire Line
|
|
11000 3450 11000 3100
|
|
Wire Wire Line
|
|
12550 4650 11050 4650
|
|
Wire Wire Line
|
|
11050 4650 11050 3200
|
|
Wire Wire Line
|
|
11050 3200 9900 3200
|
|
Wire Wire Line
|
|
12550 4150 11100 4150
|
|
Wire Wire Line
|
|
11100 4150 11100 3300
|
|
Wire Wire Line
|
|
11100 3300 9900 3300
|
|
Wire Wire Line
|
|
12550 3450 11000 3450
|
|
Wire Wire Line
|
|
14150 4350 14450 4350
|
|
Wire Wire Line
|
|
14450 4350 14450 2300
|
|
Wire Wire Line
|
|
14450 2300 10050 2300
|
|
Wire Wire Line
|
|
10050 2300 10050 3400
|
|
Wire Wire Line
|
|
10050 3400 9900 3400
|
|
Wire Wire Line
|
|
14150 4250 14500 4250
|
|
Wire Wire Line
|
|
14500 4250 14500 2250
|
|
Wire Wire Line
|
|
14500 2250 10100 2250
|
|
Wire Wire Line
|
|
10100 2250 10100 3500
|
|
Wire Wire Line
|
|
10100 3500 9900 3500
|
|
Wire Wire Line
|
|
14150 4450 14550 4450
|
|
Wire Wire Line
|
|
14550 4450 14550 2200
|
|
Wire Wire Line
|
|
14550 2200 10150 2200
|
|
Wire Wire Line
|
|
10150 2200 10150 3600
|
|
Wire Wire Line
|
|
10150 3600 9900 3600
|
|
Wire Wire Line
|
|
14150 3750 14600 3750
|
|
Wire Wire Line
|
|
14600 3750 14600 2150
|
|
Wire Wire Line
|
|
14600 2150 10200 2150
|
|
Wire Wire Line
|
|
10200 2150 10200 3700
|
|
Wire Wire Line
|
|
10200 3700 9900 3700
|
|
Wire Wire Line
|
|
14150 3850 14600 3850
|
|
Wire Wire Line
|
|
14600 3850 14600 5400
|
|
Wire Wire Line
|
|
14600 5400 10800 5400
|
|
Wire Wire Line
|
|
10800 5400 10800 5000
|
|
Wire Wire Line
|
|
10750 5100 10750 5450
|
|
Wire Wire Line
|
|
10750 5450 14300 5450
|
|
Wire Wire Line
|
|
14300 5450 14300 4750
|
|
Wire Wire Line
|
|
14300 4750 14150 4750
|
|
Wire Wire Line
|
|
11150 3750 11150 5200
|
|
Wire Wire Line
|
|
11150 3750 12550 3750
|
|
Wire Wire Line
|
|
12550 4550 11200 4550
|
|
Wire Wire Line
|
|
11200 4550 11200 5300
|
|
Wire Wire Line
|
|
10700 3950 12550 3950
|
|
Wire Wire Line
|
|
10700 3950 10700 5400
|
|
Wire Wire Line
|
|
12550 3850 10650 3850
|
|
Wire Wire Line
|
|
10650 3850 10650 5500
|
|
Wire Wire Line
|
|
12550 3350 10600 3350
|
|
Wire Wire Line
|
|
10600 3350 10600 5600
|
|
Wire Wire Line
|
|
14150 4650 14350 4650
|
|
Wire Wire Line
|
|
14350 4650 14350 5700
|
|
Wire Wire Line
|
|
9400 4700 9950 4700
|
|
Connection ~ 9400 6300
|
|
Text Notes 4700 8800 0 50 ~ 0
|
|
Enable Firmware EPROM\non IO_SELECT low
|
|
Wire Wire Line
|
|
3100 4600 2400 4600
|
|
Wire Wire Line
|
|
2400 4600 2400 5700
|
|
Wire Wire Line
|
|
5350 6350 5350 4550
|
|
Wire Wire Line
|
|
4550 3900 4650 3900
|
|
Text Notes 4000 3950 0 50 ~ 0
|
|
Direction is\nR/W Inverted
|
|
Wire Wire Line
|
|
2950 5950 4800 5950
|
|
Wire Wire Line
|
|
6200 4000 7300 4000
|
|
Connection ~ 2950 5950
|
|
Wire Wire Line
|
|
2950 5950 2950 3000
|
|
$Comp
|
|
L 74xx:74LS32 U3
|
|
U 1 1 5FB50A31
|
|
P 7600 4100
|
|
F 0 "U3" H 7600 4425 50 0000 C CNN
|
|
F 1 "74LS32" H 7600 4334 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 7600 4100 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 7600 4100 50 0001 C CNN
|
|
1 7600 4100
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
3600 3800 3900 3800
|
|
Wire Wire Line
|
|
3900 4500 7300 4500
|
|
Wire Wire Line
|
|
7300 4500 7300 4200
|
|
Wire Wire Line
|
|
8900 4100 8900 4000
|
|
$Comp
|
|
L 74xx:74LS32 U3
|
|
U 2 1 5FB9C73F
|
|
P 5100 5850
|
|
F 0 "U3" H 5100 6175 50 0000 C CNN
|
|
F 1 "74LS32" H 5100 6084 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 5100 5850 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 5100 5850 50 0001 C CNN
|
|
2 5100 5850
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
4550 5700 4800 5700
|
|
Wire Wire Line
|
|
4800 5700 4800 5750
|
|
Connection ~ 4550 5700
|
|
Wire Wire Line
|
|
5400 5850 6200 5850
|
|
Wire Wire Line
|
|
6200 5850 6200 4000
|
|
$Comp
|
|
L 74xx:74LS32 U3
|
|
U 3 1 5FBF09C5
|
|
P 7700 5900
|
|
F 0 "U3" H 7700 6225 50 0000 C CNN
|
|
F 1 "74LS32" H 7700 6134 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 7700 5900 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 7700 5900 50 0001 C CNN
|
|
3 7700 5900
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
7300 5800 7400 5800
|
|
Wire Wire Line
|
|
7300 4500 7300 5800
|
|
Connection ~ 7300 4500
|
|
$Comp
|
|
L 74xx:74LS32 U3
|
|
U 4 1 5FC54438
|
|
P 5100 6350
|
|
F 0 "U3" H 5100 6675 50 0000 C CNN
|
|
F 1 "74LS32" H 5100 6584 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 5100 6350 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 5100 6350 50 0001 C CNN
|
|
4 5100 6350
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
7400 6000 5400 6000
|
|
Wire Wire Line
|
|
5400 6000 5400 6350
|
|
Wire Wire Line
|
|
4800 6450 2900 6450
|
|
Connection ~ 2900 6450
|
|
Wire Wire Line
|
|
2900 6450 2900 7100
|
|
Text Notes 7900 6350 0 50 ~ 0
|
|
Latch Clock on\nR/W low\nA1 low\nDEV_SELECT low
|
|
Wire Wire Line
|
|
4700 6250 4800 6250
|
|
Wire Wire Line
|
|
4550 5700 4550 6050
|
|
Wire Wire Line
|
|
4550 6050 4100 6050
|
|
Wire Wire Line
|
|
4100 6050 4100 6150
|
|
Wire Wire Line
|
|
2400 5700 3950 5700
|
|
Wire Wire Line
|
|
3900 3800 3900 4500
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 1 1 5FD4E618
|
|
P 4150 4900
|
|
F 0 "U2" H 4150 5225 50 0000 C CNN
|
|
F 1 "74LS00" H 4150 5134 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 4150 4900 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 4150 4900 50 0001 C CNN
|
|
1 4150 4900
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
3900 4500 3850 4500
|
|
Wire Wire Line
|
|
3850 4500 3850 4800
|
|
Connection ~ 3900 4500
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 2 1 5FD74B7A
|
|
P 4950 4900
|
|
F 0 "U2" H 4950 5225 50 0000 C CNN
|
|
F 1 "74LS00" H 4950 5134 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 4950 4900 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 4950 4900 50 0001 C CNN
|
|
2 4950 4900
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
5450 5300 5450 4300
|
|
Wire Wire Line
|
|
5450 4300 5150 4300
|
|
Wire Wire Line
|
|
3600 5300 5450 5300
|
|
Wire Wire Line
|
|
4450 4900 4650 4900
|
|
Wire Wire Line
|
|
4650 4900 4650 4800
|
|
Wire Wire Line
|
|
4650 5000 4650 4900
|
|
Connection ~ 4650 4900
|
|
Wire Wire Line
|
|
5250 4900 5250 4350
|
|
Wire Wire Line
|
|
5250 4350 4650 4350
|
|
Wire Wire Line
|
|
4650 4350 4650 4000
|
|
Wire Wire Line
|
|
3000 5500 3850 5500
|
|
Wire Wire Line
|
|
3850 5500 3850 5000
|
|
Connection ~ 3000 5500
|
|
Wire Wire Line
|
|
3000 5500 3000 8600
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 3 1 5FE27921
|
|
P 4400 6250
|
|
F 0 "U2" H 4400 6575 50 0000 C CNN
|
|
F 1 "74LS00" H 4400 6484 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 4400 6250 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 4400 6250 50 0001 C CNN
|
|
3 4400 6250
|
|
1 0 0 -1
|
|
$EndComp
|
|
Connection ~ 4100 6150
|
|
Wire Wire Line
|
|
4100 6150 4100 6350
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 4 1 5FE48B46
|
|
P 4250 5700
|
|
F 0 "U2" H 4250 6025 50 0000 C CNN
|
|
F 1 "74LS00" H 4250 5934 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 4250 5700 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 4250 5700 50 0001 C CNN
|
|
4 4250 5700
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
3950 5600 3950 5700
|
|
Wire Wire Line
|
|
3950 5700 3950 5800
|
|
Connection ~ 3950 5700
|
|
Text Notes 8800 4400 0 50 ~ 0
|
|
Enable on\nR/W high\nA0 low\nDEV_SELECT low
|
|
Text Notes 5250 5000 0 50 ~ 0
|
|
Enable on either\nDEV_SELECT low\nIO_SELECT low
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 5 1 5FED8457
|
|
P 7550 7250
|
|
F 0 "U2" H 7780 7296 50 0000 L CNN
|
|
F 1 "74LS00" H 7780 7205 50 0000 L CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 7550 7250 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 7550 7250 50 0001 C CNN
|
|
5 7550 7250
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L 74xx:74LS32 U3
|
|
U 5 1 5FEDB516
|
|
P 8300 7250
|
|
F 0 "U3" H 8530 7296 50 0000 L CNN
|
|
F 1 "74LS32" H 8530 7205 50 0000 L CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 8300 7250 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 8300 7250 50 0001 C CNN
|
|
5 8300 7250
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
8300 7750 8600 7750
|
|
Connection ~ 8600 7750
|
|
Wire Wire Line
|
|
8600 7750 8600 6300
|
|
Wire Wire Line
|
|
8300 7750 8000 7750
|
|
Connection ~ 8300 7750
|
|
Wire Wire Line
|
|
8300 6750 8000 6750
|
|
Wire Wire Line
|
|
7550 6750 7200 6750
|
|
Wire Wire Line
|
|
6250 6750 6250 6800
|
|
Connection ~ 7550 6750
|
|
Connection ~ 6250 6800
|
|
Wire Wire Line
|
|
3100 5200 3050 5200
|
|
Wire Wire Line
|
|
3050 5200 3050 5400
|
|
Wire Wire Line
|
|
3050 5400 3700 5400
|
|
Wire Wire Line
|
|
3700 5400 3700 5200
|
|
Wire Wire Line
|
|
3700 5200 3600 5200
|
|
Wire Wire Line
|
|
3600 5100 3750 5100
|
|
Wire Wire Line
|
|
3750 5100 3750 5450
|
|
Wire Wire Line
|
|
3750 5450 2350 5450
|
|
Wire Wire Line
|
|
2350 5450 2350 5100
|
|
Wire Wire Line
|
|
2350 5100 3100 5100
|
|
$Comp
|
|
L Device:C C3
|
|
U 1 1 5FB81404
|
|
P 7200 7600
|
|
F 0 "C3" H 7315 7646 50 0000 L CNN
|
|
F 1 "C" H 7315 7555 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 7238 7450 50 0001 C CNN
|
|
F 3 "~" H 7200 7600 50 0001 C CNN
|
|
1 7200 7600
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C4
|
|
U 1 1 5FB82906
|
|
P 8000 7600
|
|
F 0 "C4" H 8115 7646 50 0000 L CNN
|
|
F 1 "C" H 8115 7555 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 8038 7450 50 0001 C CNN
|
|
F 3 "~" H 8000 7600 50 0001 C CNN
|
|
1 8000 7600
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C2
|
|
U 1 1 5FB849D8
|
|
P 6750 8500
|
|
F 0 "C2" H 6865 8546 50 0000 L CNN
|
|
F 1 "C" H 6865 8455 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 6788 8350 50 0001 C CNN
|
|
F 3 "~" H 6750 8500 50 0001 C CNN
|
|
1 6750 8500
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C1
|
|
U 1 1 5FB85911
|
|
P 5600 4000
|
|
F 0 "C1" H 5715 4046 50 0000 L CNN
|
|
F 1 "C" H 5715 3955 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 5638 3850 50 0001 C CNN
|
|
F 3 "~" H 5600 4000 50 0001 C CNN
|
|
1 5600 4000
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C5
|
|
U 1 1 5FB8694D
|
|
P 9900 3950
|
|
F 0 "C5" H 10015 3996 50 0000 L CNN
|
|
F 1 "C" H 10015 3905 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 9938 3800 50 0001 C CNN
|
|
F 3 "~" H 9900 3950 50 0001 C CNN
|
|
1 9900 3950
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C6
|
|
U 1 1 5FB87862
|
|
P 9900 6050
|
|
F 0 "C6" H 10015 6096 50 0000 L CNN
|
|
F 1 "C" H 10015 6005 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 9938 5900 50 0001 C CNN
|
|
F 3 "~" H 9900 6050 50 0001 C CNN
|
|
1 9900 6050
|
|
1 0 0 -1
|
|
$EndComp
|
|
Connection ~ 9900 4300
|
|
Wire Wire Line
|
|
9900 4300 10950 4300
|
|
Wire Wire Line
|
|
9900 4100 9900 4300
|
|
Wire Wire Line
|
|
11000 3100 9900 3100
|
|
Wire Wire Line
|
|
10000 2650 10000 3800
|
|
Wire Wire Line
|
|
10000 3800 9900 3800
|
|
Wire Wire Line
|
|
9950 4700 9950 5800
|
|
Wire Wire Line
|
|
9950 5800 9900 5800
|
|
Wire Wire Line
|
|
9900 5800 9900 5900
|
|
Wire Wire Line
|
|
9900 6300 9400 6300
|
|
Wire Wire Line
|
|
9900 6200 9900 6300
|
|
Connection ~ 8000 7750
|
|
Wire Wire Line
|
|
8000 7750 7550 7750
|
|
Wire Wire Line
|
|
8000 7450 8000 6750
|
|
Connection ~ 8000 6750
|
|
Wire Wire Line
|
|
8000 6750 7550 6750
|
|
Wire Wire Line
|
|
7550 7750 7200 7750
|
|
Connection ~ 7550 7750
|
|
Wire Wire Line
|
|
7200 7450 7200 6750
|
|
Connection ~ 7200 6750
|
|
Wire Wire Line
|
|
7200 6750 7050 6750
|
|
Wire Wire Line
|
|
6750 8650 6750 8900
|
|
Connection ~ 6750 8900
|
|
Wire Wire Line
|
|
6750 8900 8600 8900
|
|
Wire Wire Line
|
|
6750 8350 6750 7800
|
|
Wire Wire Line
|
|
6750 7800 7050 7800
|
|
Wire Wire Line
|
|
7050 7800 7050 6750
|
|
Connection ~ 7050 6750
|
|
Wire Wire Line
|
|
7050 6750 6250 6750
|
|
Wire Wire Line
|
|
5450 4300 5600 4300
|
|
Wire Wire Line
|
|
5600 4300 5600 4150
|
|
Connection ~ 5450 4300
|
|
Wire Wire Line
|
|
5600 3850 5700 3850
|
|
Connection ~ 5700 3850
|
|
Wire Wire Line
|
|
9900 5000 10800 5000
|
|
Wire Wire Line
|
|
9900 5100 10750 5100
|
|
Wire Wire Line
|
|
9900 5200 11150 5200
|
|
Wire Wire Line
|
|
9900 5300 11200 5300
|
|
Wire Wire Line
|
|
9900 5400 10700 5400
|
|
Wire Wire Line
|
|
9900 5500 10650 5500
|
|
Wire Wire Line
|
|
9900 5600 10600 5600
|
|
Wire Wire Line
|
|
9900 5700 14350 5700
|
|
Wire Wire Line
|
|
8000 5900 8900 5900
|
|
Wire Wire Line
|
|
7900 4100 8900 4100
|
|
Wire Wire Line
|
|
7700 2700 7700 2400
|
|
Wire Wire Line
|
|
7700 2400 13150 2400
|
|
Wire Wire Line
|
|
13150 2400 13150 2650
|
|
Wire Wire Line
|
|
13550 2650 13450 2650
|
|
Wire Wire Line
|
|
13450 2650 13450 2350
|
|
Wire Wire Line
|
|
13450 2350 9400 2350
|
|
Wire Wire Line
|
|
9400 2350 9400 2650
|
|
Connection ~ 13450 2650
|
|
Wire Wire Line
|
|
9400 2650 10000 2650
|
|
Connection ~ 9400 2650
|
|
Wire Wire Line
|
|
9400 2650 9400 2700
|
|
Wire Wire Line
|
|
5700 3850 5700 6800
|
|
Wire Wire Line
|
|
9950 4700 10400 4700
|
|
Wire Wire Line
|
|
10400 4700 10400 2650
|
|
Wire Wire Line
|
|
10400 2650 10000 2650
|
|
Connection ~ 9950 4700
|
|
Connection ~ 10000 2650
|
|
Text Notes 3700 5800 0 50 ~ 0
|
|
R/W
|
|
Text Notes 4350 4550 0 50 ~ 0
|
|
Device Select\n($C08+n0 - $C08+nF peripheral)
|
|
Text Notes 3850 5250 0 50 ~ 0
|
|
I/O Select\n($Cn00 - $CnFF Firmware)
|
|
Text Notes 4750 6050 0 50 ~ 0
|
|
A0
|
|
Text Notes 4750 6550 0 50 ~ 0
|
|
A1
|
|
Text Notes 4450 5600 0 50 ~ 0
|
|
Inverted R/W
|
|
Text Notes 4600 6400 0 50 ~ 0
|
|
R/W
|
|
Text Notes 6200 6250 0 50 ~ 0
|
|
Low on\nA1 low\nR/W low
|
|
Text Notes 6250 4250 0 50 ~ 0
|
|
Low on\nR/W high\nA0 low\n
|
|
Wire Wire Line
|
|
5700 2700 5150 2700
|
|
Connection ~ 5700 2700
|
|
Wire Wire Line
|
|
4550 3900 4550 5700
|
|
$EndSCHEMATC
|