forked from Apple-2-HW/Apple2-IO-RPi
1412 lines
31 KiB
Plaintext
1412 lines
31 KiB
Plaintext
EESchema Schematic File Version 4
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LIBS:Apple2IORPi-cache
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EELAYER 26 0
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EELAYER END
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$Descr USLedger 17000 11000
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encoding utf-8
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Sheet 1 1
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Title "Apple II I/O RPi"
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Date "2020-12-29"
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Rev "0.9"
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Comp "Terence J. Boldt"
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Comment1 "Third Prototype"
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Comment2 "Provides storage and network for the Apple ]["
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Comment3 "Raspberry Pi Zero W as a daughter board"
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Comment4 "Expansion card for Apple ][ computers"
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$EndDescr
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$Comp
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L Connector_Generic:Conn_02x25_Counter_Clockwise J0
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U 1 1 5FA0A8C3
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P 1750 2800
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F 0 "J0" H 1800 4217 50 0000 C CNN
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F 1 "Apple II Expansion Bus" H 1800 4126 50 0000 C CNN
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F 2 "Apple2:Apple II Expansion Edge Connector" H 1750 2800 50 0001 C CNN
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F 3 "~" H 1750 2800 50 0001 C CNN
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1 1750 2800
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS245 U0
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U 1 1 5FA15F43
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P 3600 2200
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F 0 "U0" H 3600 3181 50 0000 C CNN
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F 1 "74LS245" H 3600 3090 50 0000 C CNN
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F 2 "Package_DIP:DIP-20_W7.62mm" H 3600 2200 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 3600 2200 50 0001 C CNN
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1 3600 2200
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS245 U4
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U 1 1 5FA19168
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P 7850 2200
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F 0 "U4" H 7850 3181 50 0000 C CNN
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F 1 "74LVC245" H 7850 3090 50 0000 C CNN
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F 2 "Package_DIP:DIP-20_W7.62mm" H 7850 2200 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 7850 2200 50 0001 C CNN
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1 7850 2200
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1 0 0 -1
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$EndComp
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$Comp
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L Connector:Raspberry_Pi_2_3 J1
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U 1 1 5FA19C2C
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P 11800 2650
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F 0 "J1" H 11800 4131 50 0000 C CNN
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F 1 "Raspberry_Pi_2_3" H 11800 4040 50 0000 C CNN
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F 2 "Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical" H 11800 2650 50 0001 C CNN
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F 3 "https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_3bplus_1p0_reduced.pdf" H 11800 2650 50 0001 C CNN
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1 11800 2650
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1 0 0 -1
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$EndComp
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$Comp
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L 74xx:74LS374 U5
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U 1 1 5FA1EB22
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P 7850 4200
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F 0 "U5" H 7850 5181 50 0000 C CNN
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F 1 "74LVC374" H 7850 5090 50 0000 C CNN
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F 2 "Package_DIP:DIP-20_W7.62mm" H 7850 4200 50 0001 C CNN
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F 3 "http://www.ti.com/lit/gpn/sn74LS374" H 7850 4200 50 0001 C CNN
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1 7850 4200
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1 0 0 -1
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$EndComp
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Wire Wire Line
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3100 1700 2050 1700
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Wire Wire Line
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3100 1800 2050 1800
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Wire Wire Line
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3100 1900 2050 1900
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Wire Wire Line
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2050 2000 3100 2000
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Wire Wire Line
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3100 2100 2050 2100
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Wire Wire Line
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2050 2200 3100 2200
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Wire Wire Line
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3100 2300 2050 2300
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Wire Wire Line
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2050 2400 3100 2400
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Wire Wire Line
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7350 1900 6750 1900
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Wire Wire Line
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7350 2200 6600 2200
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Wire Wire Line
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7350 2400 6500 2400
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Wire Wire Line
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6850 1700 6850 3700
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Wire Wire Line
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6850 3700 7350 3700
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Connection ~ 6850 1700
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Wire Wire Line
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6850 1700 7350 1700
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Wire Wire Line
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6800 1800 6800 3800
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Wire Wire Line
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6800 3800 7350 3800
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Connection ~ 6800 1800
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Wire Wire Line
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6800 1800 7350 1800
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Wire Wire Line
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6750 1900 6750 3900
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Wire Wire Line
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6750 3900 7350 3900
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Connection ~ 6750 1900
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Wire Wire Line
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6700 2000 6700 4000
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Wire Wire Line
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6700 4000 7350 4000
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Connection ~ 6700 2000
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Wire Wire Line
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6700 2000 7350 2000
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Wire Wire Line
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6650 2100 6650 4100
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Wire Wire Line
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6650 4100 7350 4100
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Connection ~ 6650 2100
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Wire Wire Line
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6650 2100 7350 2100
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Wire Wire Line
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6600 2200 6600 4200
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Wire Wire Line
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6600 4200 7350 4200
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Connection ~ 6600 2200
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Wire Wire Line
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6550 2300 6550 4300
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Wire Wire Line
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6550 4300 7350 4300
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Connection ~ 6550 2300
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Wire Wire Line
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6550 2300 7350 2300
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Wire Wire Line
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6500 2400 6500 4400
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Wire Wire Line
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6500 4400 7350 4400
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Connection ~ 6500 2400
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Wire Wire Line
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5150 8150 5100 8150
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Wire Wire Line
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5200 8250 5100 8250
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Wire Wire Line
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5250 8350 5100 8350
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Wire Wire Line
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5100 8450 5300 8450
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Wire Wire Line
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5350 8550 5100 8550
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Wire Wire Line
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5100 8650 5400 8650
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Wire Wire Line
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5450 8750 5100 8750
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Wire Wire Line
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4300 8050 1400 8050
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Wire Wire Line
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1400 1700 1550 1700
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Wire Wire Line
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1550 1800 1350 1800
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Wire Wire Line
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1350 1800 1350 5150
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Wire Wire Line
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1350 8150 4300 8150
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Wire Wire Line
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4300 8250 1300 8250
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Wire Wire Line
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1300 1900 1550 1900
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Wire Wire Line
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1550 2000 1250 2000
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Wire Wire Line
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1250 8350 4300 8350
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Wire Wire Line
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1200 8450 4300 8450
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Wire Wire Line
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4300 8550 1150 8550
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Wire Wire Line
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1150 2200 1550 2200
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Wire Wire Line
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1100 8650 4300 8650
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Wire Wire Line
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4300 8750 1050 8750
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Wire Wire Line
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1050 2400 1550 2400
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Wire Wire Line
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4300 8850 1000 8850
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Wire Wire Line
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1000 2500 1550 2500
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Wire Wire Line
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1550 2600 950 2600
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Wire Wire Line
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950 8950 4300 8950
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Wire Wire Line
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4300 9050 900 9050
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Wire Wire Line
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900 2700 1550 2700
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Wire Wire Line
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1550 1600 1450 1600
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Wire Wire Line
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1450 1600 1450 4200
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Wire Wire Line
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1450 9650 4100 9650
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Wire Wire Line
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4150 7850 4700 7850
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Wire Wire Line
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1550 7850 4150 7850
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Connection ~ 4150 7850
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Wire Wire Line
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4150 1400 6150 1400
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Wire Wire Line
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4150 1400 4150 2550
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Wire Wire Line
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7050 5000 7850 5000
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Wire Wire Line
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7050 5000 7050 4700
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Wire Wire Line
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7050 3000 7850 3000
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Wire Wire Line
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7350 2600 7050 2600
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Wire Wire Line
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7050 2600 7050 3000
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Connection ~ 7050 3000
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Wire Wire Line
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7350 4700 7050 4700
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Connection ~ 7050 4700
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Wire Wire Line
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7050 4700 7050 3000
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Wire Wire Line
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11700 1350 11600 1350
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Connection ~ 11600 1350
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Wire Wire Line
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7850 3000 8350 3000
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Wire Wire Line
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9400 3000 9400 3950
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Wire Wire Line
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9400 3950 11400 3950
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Connection ~ 7850 3000
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Wire Wire Line
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11400 3950 11500 3950
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Connection ~ 11400 3950
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Wire Wire Line
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11500 3950 11600 3950
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Connection ~ 11500 3950
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Wire Wire Line
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11600 3950 11700 3950
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Connection ~ 11600 3950
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Wire Wire Line
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11700 3950 11800 3950
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Connection ~ 11700 3950
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Wire Wire Line
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11800 3950 11900 3950
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Connection ~ 11800 3950
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Wire Wire Line
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11900 3950 12000 3950
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Connection ~ 11900 3950
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Wire Wire Line
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12000 3950 12100 3950
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Connection ~ 12000 3950
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Wire Wire Line
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12600 2350 12850 2350
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Wire Wire Line
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12850 2350 12850 1200
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Wire Wire Line
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12850 1200 8350 1200
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Wire Wire Line
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8350 1200 8350 1700
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Wire Wire Line
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9450 2150 9450 1800
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Wire Wire Line
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11000 3350 9500 3350
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Wire Wire Line
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9500 3350 9500 1900
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Wire Wire Line
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9500 1900 8350 1900
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Wire Wire Line
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11000 2850 9550 2850
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Wire Wire Line
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9550 2850 9550 2000
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Wire Wire Line
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9550 2000 8350 2000
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Wire Wire Line
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11000 2150 9450 2150
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Wire Wire Line
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12600 3050 12900 3050
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Wire Wire Line
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12900 3050 12900 1000
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Wire Wire Line
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12900 1000 8500 1000
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Wire Wire Line
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8500 1000 8500 2100
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Wire Wire Line
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8500 2100 8350 2100
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Wire Wire Line
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12600 2950 12950 2950
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Wire Wire Line
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12950 2950 12950 950
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Wire Wire Line
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12950 950 8550 950
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Wire Wire Line
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8550 950 8550 2200
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Wire Wire Line
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8550 2200 8350 2200
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Wire Wire Line
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12600 3150 13000 3150
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Wire Wire Line
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13000 3150 13000 900
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Wire Wire Line
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13000 900 8600 900
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Wire Wire Line
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8600 900 8600 2300
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Wire Wire Line
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8600 2300 8350 2300
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Wire Wire Line
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12600 2450 13050 2450
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Wire Wire Line
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13050 2450 13050 850
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Wire Wire Line
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13050 850 8650 850
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Wire Wire Line
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8650 850 8650 2400
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Wire Wire Line
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8650 2400 8350 2400
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Wire Wire Line
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12600 2550 13050 2550
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Wire Wire Line
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13050 2550 13050 4100
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Wire Wire Line
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13050 4100 9250 4100
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Wire Wire Line
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9250 4100 9250 3700
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Wire Wire Line
|
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9200 3800 9200 4150
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Wire Wire Line
|
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9200 4150 12750 4150
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Wire Wire Line
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12750 4150 12750 3450
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Wire Wire Line
|
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12750 3450 12600 3450
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Wire Wire Line
|
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9600 2450 9600 3900
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Wire Wire Line
|
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9600 2450 11000 2450
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Wire Wire Line
|
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11000 3250 9650 3250
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Wire Wire Line
|
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9650 3250 9650 4000
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Wire Wire Line
|
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9150 2650 11000 2650
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Wire Wire Line
|
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9150 2650 9150 4100
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Wire Wire Line
|
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11000 2550 9100 2550
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Wire Wire Line
|
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9100 2550 9100 4200
|
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Wire Wire Line
|
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11000 2050 9050 2050
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Wire Wire Line
|
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9050 2050 9050 4300
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Wire Wire Line
|
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12600 3350 12800 3350
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Wire Wire Line
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12800 3350 12800 4400
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Wire Wire Line
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7850 3400 8400 3400
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Connection ~ 7850 5000
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Text Notes 3150 9850 0 50 ~ 0
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Enable Firmware EPROM\non IO_SELECT low
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Wire Wire Line
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1550 3300 850 3300
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Wire Wire Line
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850 3300 850 4400
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Wire Wire Line
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3000 2600 3100 2600
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Text Notes 2450 2650 0 50 ~ 0
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Direction is\nR/W Inverted
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Wire Wire Line
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1400 4650 3250 4650
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Wire Wire Line
|
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4650 2700 5750 2700
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Wire Wire Line
|
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1400 4650 1400 1700
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$Comp
|
|
L 74xx:74LS32 U3
|
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U 1 1 5FB50A31
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P 6050 2800
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F 0 "U3" H 6050 3125 50 0000 C CNN
|
|
F 1 "74LS32" H 6050 3034 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 6050 2800 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6050 2800 50 0001 C CNN
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1 6050 2800
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1 0 0 -1
|
|
$EndComp
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Wire Wire Line
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2050 2500 2350 2500
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Wire Wire Line
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2350 3200 5750 3200
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Wire Wire Line
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5750 3200 5750 2900
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Wire Wire Line
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7350 2800 7350 2700
|
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$Comp
|
|
L 74xx:74LS32 U3
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|
U 2 1 5FB9C73F
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|
P 3550 4550
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F 0 "U3" H 3550 4875 50 0000 C CNN
|
|
F 1 "74LS32" H 3550 4784 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 3550 4550 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 3550 4550 50 0001 C CNN
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2 3550 4550
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|
1 0 0 -1
|
|
$EndComp
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Wire Wire Line
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3000 4400 3250 4400
|
|
Wire Wire Line
|
|
3250 4400 3250 4450
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Connection ~ 3000 4400
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Wire Wire Line
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|
3850 4550 4650 4550
|
|
Wire Wire Line
|
|
4650 4550 4650 2700
|
|
$Comp
|
|
L 74xx:74LS32 U3
|
|
U 3 1 5FBF09C5
|
|
P 6150 4600
|
|
F 0 "U3" H 6150 4925 50 0000 C CNN
|
|
F 1 "74LS32" H 6150 4834 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 6150 4600 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6150 4600 50 0001 C CNN
|
|
3 6150 4600
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
5750 4500 5850 4500
|
|
Wire Wire Line
|
|
5750 3200 5750 4500
|
|
Connection ~ 5750 3200
|
|
$Comp
|
|
L 74xx:74LS32 U3
|
|
U 4 1 5FC54438
|
|
P 3550 5050
|
|
F 0 "U3" H 3550 5375 50 0000 C CNN
|
|
F 1 "74LS32" H 3550 5284 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 3550 5050 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 3550 5050 50 0001 C CNN
|
|
4 3550 5050
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
5850 4700 3850 4700
|
|
Wire Wire Line
|
|
3850 4700 3850 5050
|
|
Wire Wire Line
|
|
3250 5150 1350 5150
|
|
Text Notes 6350 5050 0 50 ~ 0
|
|
Latch Clock on\nR/W low\nA1 low\nDEV_SELECT low
|
|
Wire Wire Line
|
|
3150 4950 3200 4950
|
|
Wire Wire Line
|
|
3000 4400 3000 4750
|
|
Wire Wire Line
|
|
3000 4750 2550 4750
|
|
Wire Wire Line
|
|
2550 4750 2550 4850
|
|
Wire Wire Line
|
|
850 4400 2400 4400
|
|
Wire Wire Line
|
|
2350 2500 2350 3200
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 1 1 5FD4E618
|
|
P 2600 3600
|
|
F 0 "U2" H 2600 3925 50 0000 C CNN
|
|
F 1 "74LS00" H 2600 3834 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 2600 3600 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 2600 3600 50 0001 C CNN
|
|
1 2600 3600
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
2350 3200 2300 3200
|
|
Wire Wire Line
|
|
2300 3200 2300 3500
|
|
Connection ~ 2350 3200
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 2 1 5FD74B7A
|
|
P 3400 3600
|
|
F 0 "U2" H 3400 3925 50 0000 C CNN
|
|
F 1 "74LS00" H 3400 3834 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 3400 3600 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 3400 3600 50 0001 C CNN
|
|
2 3400 3600
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
3900 4000 3900 3000
|
|
Wire Wire Line
|
|
3900 3000 3600 3000
|
|
Wire Wire Line
|
|
2050 4000 3900 4000
|
|
Wire Wire Line
|
|
2900 3600 3100 3600
|
|
Wire Wire Line
|
|
3100 3600 3100 3500
|
|
Wire Wire Line
|
|
3100 3700 3100 3600
|
|
Connection ~ 3100 3600
|
|
Wire Wire Line
|
|
3700 3600 3700 3050
|
|
Wire Wire Line
|
|
3700 3050 3100 3050
|
|
Wire Wire Line
|
|
3100 3050 3100 2700
|
|
Wire Wire Line
|
|
1450 4200 2300 4200
|
|
Wire Wire Line
|
|
2300 4200 2300 3700
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 3 1 5FE27921
|
|
P 2850 4950
|
|
F 0 "U2" H 2850 5275 50 0000 C CNN
|
|
F 1 "74LS00" H 2850 5184 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 2850 4950 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 2850 4950 50 0001 C CNN
|
|
3 2850 4950
|
|
1 0 0 -1
|
|
$EndComp
|
|
Connection ~ 2550 4850
|
|
Wire Wire Line
|
|
2550 4850 2550 5050
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 4 1 5FE48B46
|
|
P 2700 4400
|
|
F 0 "U2" H 2700 4725 50 0000 C CNN
|
|
F 1 "74LS00" H 2700 4634 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 2700 4400 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 2700 4400 50 0001 C CNN
|
|
4 2700 4400
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
2400 4300 2400 4400
|
|
Wire Wire Line
|
|
2400 4400 2400 4500
|
|
Connection ~ 2400 4400
|
|
Text Notes 7250 3100 0 50 ~ 0
|
|
Enable on\nR/W high\nA0 low\nDEV_SELECT low
|
|
Text Notes 3700 3700 0 50 ~ 0
|
|
Enable on either\nDEV_SELECT low\nIO_SELECT low
|
|
$Comp
|
|
L 74xx:74LS00 U2
|
|
U 5 1 5FED8457
|
|
P 6000 8300
|
|
F 0 "U2" H 6230 8346 50 0000 L CNN
|
|
F 1 "74LS00" H 6230 8255 50 0000 L CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 6000 8300 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 6000 8300 50 0001 C CNN
|
|
5 6000 8300
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L 74xx:74LS32 U3
|
|
U 5 1 5FEDB516
|
|
P 6750 8300
|
|
F 0 "U3" H 6980 8346 50 0000 L CNN
|
|
F 1 "74LS32" H 6980 8255 50 0000 L CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 6750 8300 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6750 8300 50 0001 C CNN
|
|
5 6750 8300
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
6750 8800 7050 8800
|
|
Connection ~ 7050 8800
|
|
Wire Wire Line
|
|
6750 8800 6450 8800
|
|
Connection ~ 6750 8800
|
|
Wire Wire Line
|
|
6750 7800 6450 7800
|
|
Wire Wire Line
|
|
4700 7800 4700 7850
|
|
Connection ~ 6000 7800
|
|
Wire Wire Line
|
|
1550 3900 1500 3900
|
|
Wire Wire Line
|
|
1500 3900 1500 4100
|
|
Wire Wire Line
|
|
1500 4100 2150 4100
|
|
Wire Wire Line
|
|
2150 4100 2150 3900
|
|
Wire Wire Line
|
|
2150 3900 2050 3900
|
|
Wire Wire Line
|
|
2050 3800 2200 3800
|
|
Wire Wire Line
|
|
2200 3800 2200 4150
|
|
Wire Wire Line
|
|
2200 4150 800 4150
|
|
Wire Wire Line
|
|
800 4150 800 3800
|
|
Wire Wire Line
|
|
800 3800 1550 3800
|
|
$Comp
|
|
L Device:C C3
|
|
U 1 1 5FB81404
|
|
P 5650 8650
|
|
F 0 "C3" H 5765 8696 50 0000 L CNN
|
|
F 1 "C" H 5765 8605 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 5688 8500 50 0001 C CNN
|
|
F 3 "~" H 5650 8650 50 0001 C CNN
|
|
1 5650 8650
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C4
|
|
U 1 1 5FB82906
|
|
P 6450 8650
|
|
F 0 "C4" H 6565 8696 50 0000 L CNN
|
|
F 1 "C" H 6565 8605 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 6488 8500 50 0001 C CNN
|
|
F 3 "~" H 6450 8650 50 0001 C CNN
|
|
1 6450 8650
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C2
|
|
U 1 1 5FB849D8
|
|
P 5200 9550
|
|
F 0 "C2" H 5315 9596 50 0000 L CNN
|
|
F 1 "C" H 5315 9505 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 5238 9400 50 0001 C CNN
|
|
F 3 "~" H 5200 9550 50 0001 C CNN
|
|
1 5200 9550
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C1
|
|
U 1 1 5FB85911
|
|
P 4050 2700
|
|
F 0 "C1" H 4165 2746 50 0000 L CNN
|
|
F 1 "C" H 4165 2655 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 4088 2550 50 0001 C CNN
|
|
F 3 "~" H 4050 2700 50 0001 C CNN
|
|
1 4050 2700
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C5
|
|
U 1 1 5FB8694D
|
|
P 8350 2650
|
|
F 0 "C5" H 8465 2696 50 0000 L CNN
|
|
F 1 "C" H 8465 2605 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 8388 2500 50 0001 C CNN
|
|
F 3 "~" H 8350 2650 50 0001 C CNN
|
|
1 8350 2650
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C6
|
|
U 1 1 5FB87862
|
|
P 8350 4750
|
|
F 0 "C6" H 8465 4796 50 0000 L CNN
|
|
F 1 "C" H 8465 4705 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 8388 4600 50 0001 C CNN
|
|
F 3 "~" H 8350 4750 50 0001 C CNN
|
|
1 8350 4750
|
|
1 0 0 -1
|
|
$EndComp
|
|
Connection ~ 8350 3000
|
|
Wire Wire Line
|
|
8350 3000 9400 3000
|
|
Wire Wire Line
|
|
8350 2800 8350 3000
|
|
Wire Wire Line
|
|
9450 1800 8350 1800
|
|
Wire Wire Line
|
|
8450 1350 8450 2500
|
|
Wire Wire Line
|
|
8450 2500 8350 2500
|
|
Wire Wire Line
|
|
8400 3400 8400 4500
|
|
Wire Wire Line
|
|
8400 4500 8350 4500
|
|
Wire Wire Line
|
|
8350 4500 8350 4600
|
|
Wire Wire Line
|
|
8350 5000 7850 5000
|
|
Wire Wire Line
|
|
8350 4900 8350 5000
|
|
Connection ~ 6450 8800
|
|
Wire Wire Line
|
|
6450 8500 6450 7800
|
|
Connection ~ 6450 7800
|
|
Wire Wire Line
|
|
6450 7800 6000 7800
|
|
Wire Wire Line
|
|
6000 8800 5650 8800
|
|
Connection ~ 6000 8800
|
|
Wire Wire Line
|
|
5650 8500 5650 7800
|
|
Connection ~ 5650 7800
|
|
Wire Wire Line
|
|
5650 7800 5500 7800
|
|
Wire Wire Line
|
|
5200 9400 5200 8850
|
|
Wire Wire Line
|
|
5200 8850 5500 8850
|
|
Wire Wire Line
|
|
5500 8850 5500 7800
|
|
Connection ~ 5500 7800
|
|
Wire Wire Line
|
|
5500 7800 4700 7800
|
|
Wire Wire Line
|
|
3900 3000 4050 3000
|
|
Wire Wire Line
|
|
4050 3000 4050 2850
|
|
Connection ~ 3900 3000
|
|
Wire Wire Line
|
|
4050 2550 4150 2550
|
|
Wire Wire Line
|
|
8350 3700 9250 3700
|
|
Wire Wire Line
|
|
8350 3800 9200 3800
|
|
Wire Wire Line
|
|
8350 3900 9600 3900
|
|
Wire Wire Line
|
|
8350 4000 9650 4000
|
|
Wire Wire Line
|
|
8350 4100 9150 4100
|
|
Wire Wire Line
|
|
8350 4200 9100 4200
|
|
Wire Wire Line
|
|
8350 4300 9050 4300
|
|
Wire Wire Line
|
|
8350 4400 12800 4400
|
|
Wire Wire Line
|
|
6450 4600 7350 4600
|
|
Wire Wire Line
|
|
6350 2800 7350 2800
|
|
Wire Wire Line
|
|
6150 1400 6150 1100
|
|
Wire Wire Line
|
|
6150 1100 11600 1100
|
|
Wire Wire Line
|
|
11600 1100 11600 1350
|
|
Wire Wire Line
|
|
12000 1350 11900 1350
|
|
Wire Wire Line
|
|
11900 1350 11900 1050
|
|
Wire Wire Line
|
|
11900 1050 7850 1050
|
|
Wire Wire Line
|
|
7850 1050 7850 1350
|
|
Connection ~ 11900 1350
|
|
Wire Wire Line
|
|
7850 1350 8450 1350
|
|
Connection ~ 7850 1350
|
|
Wire Wire Line
|
|
7850 1350 7850 1400
|
|
Wire Wire Line
|
|
8400 3400 8850 3400
|
|
Wire Wire Line
|
|
8850 3400 8850 1350
|
|
Wire Wire Line
|
|
8850 1350 8450 1350
|
|
Connection ~ 8400 3400
|
|
Connection ~ 8450 1350
|
|
Text Notes 2150 4500 0 50 ~ 0
|
|
R/W
|
|
Text Notes 2800 3250 0 50 ~ 0
|
|
Device Select\n($C08+n0 - $C08+nF peripheral)
|
|
Text Notes 2300 3950 0 50 ~ 0
|
|
I/O Select\n($Cn00 - $CnFF Firmware)
|
|
Text Notes 3200 4750 0 50 ~ 0
|
|
A0
|
|
Text Notes 3200 5250 0 50 ~ 0
|
|
A1
|
|
Text Notes 2900 4300 0 50 ~ 0
|
|
Inverted R/W
|
|
Text Notes 3050 5100 0 50 ~ 0
|
|
R/W
|
|
Text Notes 4650 4950 0 50 ~ 0
|
|
Low on\nA1 low\nR/W low
|
|
Text Notes 4700 2950 0 50 ~ 0
|
|
Low on\nR/W high\nA0 low\n
|
|
Wire Wire Line
|
|
4150 1400 3600 1400
|
|
Connection ~ 4150 1400
|
|
Wire Wire Line
|
|
3000 2600 3000 4400
|
|
Wire Wire Line
|
|
7050 10100 5200 10100
|
|
Connection ~ 5200 10100
|
|
Wire Wire Line
|
|
5200 10100 4700 10100
|
|
Wire Wire Line
|
|
4700 10050 4700 10100
|
|
Connection ~ 4700 10100
|
|
Wire Wire Line
|
|
7050 8800 7050 10100
|
|
Wire Wire Line
|
|
5200 9700 5200 10100
|
|
Connection ~ 4700 7850
|
|
$Comp
|
|
L Memory_EPROM:27C256 U1
|
|
U 1 1 5FD87325
|
|
P 4700 8950
|
|
F 0 "U1" H 4700 10228 50 0000 C CNN
|
|
F 1 "27C256" H 4700 10137 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-28_W15.24mm_Socket" H 4700 8950 50 0001 C CNN
|
|
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0014.pdf" H 4700 8950 50 0001 C CNN
|
|
1 4700 8950
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
4100 9650 4100 9750
|
|
Connection ~ 4100 9750
|
|
Wire Wire Line
|
|
4100 9750 4100 9850
|
|
Wire Wire Line
|
|
4100 9750 4300 9750
|
|
Wire Wire Line
|
|
4100 9850 4300 9850
|
|
Wire Wire Line
|
|
4150 9650 4300 9650
|
|
Wire Wire Line
|
|
2050 10100 4700 10100
|
|
Wire Wire Line
|
|
4150 7850 4150 9650
|
|
$Comp
|
|
L 74xx:74LS245 U6
|
|
U 1 1 5FED6949
|
|
P 11050 5650
|
|
F 0 "U6" H 11050 6628 50 0000 C CNN
|
|
F 1 "74LVC245" H 11050 6537 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-20_W7.62mm" H 11050 5650 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 11050 5650 50 0001 C CNN
|
|
1 11050 5650
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L 74xx:74LS374 U7
|
|
U 1 1 5FED6A94
|
|
P 11050 7650
|
|
F 0 "U7" H 11050 8628 50 0000 C CNN
|
|
F 1 "74LVC374" H 11050 8537 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-20_W7.62mm" H 11050 7650 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS374" H 11050 7650 50 0001 C CNN
|
|
1 11050 7650
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
4100 1700 5100 1700
|
|
Wire Wire Line
|
|
4100 1800 5150 1800
|
|
Wire Wire Line
|
|
4100 2000 5250 2000
|
|
Wire Wire Line
|
|
4100 2100 5300 2100
|
|
Wire Wire Line
|
|
4100 2300 5400 2300
|
|
Wire Wire Line
|
|
4100 1900 5200 1900
|
|
Wire Wire Line
|
|
4100 2200 5350 2200
|
|
Wire Wire Line
|
|
4100 2400 5450 2400
|
|
Wire Wire Line
|
|
1300 1900 1300 6450
|
|
Wire Wire Line
|
|
1250 2000 1250 7000
|
|
Wire Wire Line
|
|
1550 2100 1200 2100
|
|
Wire Wire Line
|
|
1200 2100 1200 8450
|
|
Wire Wire Line
|
|
1150 2200 1150 8550
|
|
Wire Wire Line
|
|
1550 2300 1100 2300
|
|
Wire Wire Line
|
|
1100 2300 1100 8650
|
|
Wire Wire Line
|
|
1050 2400 1050 8750
|
|
Wire Wire Line
|
|
1000 2500 1000 8850
|
|
Wire Wire Line
|
|
950 2600 950 8950
|
|
Wire Wire Line
|
|
900 2700 900 9050
|
|
Wire Wire Line
|
|
2050 4000 2050 10100
|
|
Connection ~ 2050 4000
|
|
Wire Wire Line
|
|
1550 4000 1550 7850
|
|
Wire Wire Line
|
|
1450 4200 1450 9650
|
|
Connection ~ 1450 4200
|
|
Wire Wire Line
|
|
1400 4650 1400 8050
|
|
Connection ~ 1400 4650
|
|
Wire Wire Line
|
|
1350 5150 1350 8150
|
|
Connection ~ 1350 5150
|
|
Connection ~ 4150 2550
|
|
Wire Wire Line
|
|
5100 1700 5100 5150
|
|
Connection ~ 5100 1700
|
|
Wire Wire Line
|
|
5100 1700 6850 1700
|
|
Wire Wire Line
|
|
5150 1800 5150 5250
|
|
Connection ~ 5150 1800
|
|
Wire Wire Line
|
|
5150 1800 6800 1800
|
|
Wire Wire Line
|
|
5200 1900 5200 5350
|
|
Connection ~ 5200 1900
|
|
Wire Wire Line
|
|
5200 1900 6750 1900
|
|
Wire Wire Line
|
|
5250 2000 5250 5450
|
|
Connection ~ 5250 2000
|
|
Wire Wire Line
|
|
5250 2000 6700 2000
|
|
Wire Wire Line
|
|
5300 2100 5300 5550
|
|
Connection ~ 5300 2100
|
|
Wire Wire Line
|
|
5300 2100 6650 2100
|
|
Wire Wire Line
|
|
5350 2200 5350 5650
|
|
Connection ~ 5350 2200
|
|
Wire Wire Line
|
|
5350 2200 6600 2200
|
|
Wire Wire Line
|
|
5400 2300 5400 5750
|
|
Connection ~ 5400 2300
|
|
Wire Wire Line
|
|
5400 2300 6550 2300
|
|
Wire Wire Line
|
|
5450 2400 5450 5850
|
|
Connection ~ 5450 2400
|
|
Wire Wire Line
|
|
5450 2400 6500 2400
|
|
Wire Wire Line
|
|
10550 5150 9950 5150
|
|
Connection ~ 5100 5150
|
|
Wire Wire Line
|
|
10550 5250 9900 5250
|
|
Connection ~ 5150 5250
|
|
Wire Wire Line
|
|
10550 5350 9850 5350
|
|
Connection ~ 5200 5350
|
|
Wire Wire Line
|
|
10550 5450 9800 5450
|
|
Connection ~ 5250 5450
|
|
Wire Wire Line
|
|
10550 5550 9750 5550
|
|
Connection ~ 5300 5550
|
|
Wire Wire Line
|
|
10550 5650 9700 5650
|
|
Connection ~ 5350 5650
|
|
Wire Wire Line
|
|
10550 5750 9650 5750
|
|
Connection ~ 5400 5750
|
|
Wire Wire Line
|
|
10550 5850 9600 5850
|
|
Connection ~ 5450 5850
|
|
Wire Wire Line
|
|
7050 5000 7050 6050
|
|
Connection ~ 7050 5000
|
|
Wire Wire Line
|
|
11050 6450 10350 6450
|
|
Wire Wire Line
|
|
11050 8450 10550 8450
|
|
Wire Wire Line
|
|
8850 3400 10200 3400
|
|
Wire Wire Line
|
|
10200 3400 10200 4850
|
|
Wire Wire Line
|
|
10200 4850 11050 4850
|
|
Connection ~ 8850 3400
|
|
Wire Wire Line
|
|
10200 4850 10200 6850
|
|
Wire Wire Line
|
|
10200 6850 11050 6850
|
|
Connection ~ 10200 4850
|
|
Wire Wire Line
|
|
10550 7150 9950 7150
|
|
Wire Wire Line
|
|
9950 7150 9950 5150
|
|
Connection ~ 9950 5150
|
|
Wire Wire Line
|
|
9950 5150 5100 5150
|
|
Wire Wire Line
|
|
10550 7250 9900 7250
|
|
Wire Wire Line
|
|
9900 7250 9900 5250
|
|
Connection ~ 9900 5250
|
|
Wire Wire Line
|
|
9900 5250 5150 5250
|
|
Wire Wire Line
|
|
9850 7350 9850 5350
|
|
Wire Wire Line
|
|
9850 7350 10550 7350
|
|
Connection ~ 9850 5350
|
|
Wire Wire Line
|
|
9850 5350 5200 5350
|
|
Wire Wire Line
|
|
10550 7450 9800 7450
|
|
Wire Wire Line
|
|
9800 7450 9800 5450
|
|
Connection ~ 9800 5450
|
|
Wire Wire Line
|
|
9800 5450 5250 5450
|
|
Wire Wire Line
|
|
10550 7550 9750 7550
|
|
Wire Wire Line
|
|
9750 7550 9750 5550
|
|
Connection ~ 9750 5550
|
|
Wire Wire Line
|
|
9750 5550 5300 5550
|
|
Wire Wire Line
|
|
10550 7650 9700 7650
|
|
Wire Wire Line
|
|
9700 7650 9700 5650
|
|
Connection ~ 9700 5650
|
|
Wire Wire Line
|
|
9700 5650 5350 5650
|
|
Wire Wire Line
|
|
10550 7750 9650 7750
|
|
Wire Wire Line
|
|
9650 7750 9650 5750
|
|
Connection ~ 9650 5750
|
|
Wire Wire Line
|
|
9650 5750 5400 5750
|
|
Wire Wire Line
|
|
9600 7850 9600 5850
|
|
Wire Wire Line
|
|
9600 7850 10550 7850
|
|
Connection ~ 9600 5850
|
|
Wire Wire Line
|
|
9600 5850 5450 5850
|
|
Wire Wire Line
|
|
10550 8150 10550 8450
|
|
Wire Wire Line
|
|
10550 6050 10350 6050
|
|
Wire Wire Line
|
|
10350 6050 10350 6450
|
|
Wire Wire Line
|
|
2600 10150 2600 9150
|
|
Wire Wire Line
|
|
2600 9150 4300 9150
|
|
Wire Wire Line
|
|
2650 10200 2650 9250
|
|
Wire Wire Line
|
|
2650 9250 4300 9250
|
|
Wire Wire Line
|
|
2700 10250 2700 9350
|
|
Wire Wire Line
|
|
2700 9350 4300 9350
|
|
Wire Wire Line
|
|
2750 10300 2750 9450
|
|
Wire Wire Line
|
|
2750 9450 4300 9450
|
|
Wire Wire Line
|
|
10350 6050 7050 6050
|
|
Connection ~ 10350 6050
|
|
Connection ~ 7050 6050
|
|
Wire Wire Line
|
|
5100 5150 5100 8050
|
|
Wire Wire Line
|
|
5150 5250 5150 8150
|
|
Wire Wire Line
|
|
5200 5350 5200 8250
|
|
Wire Wire Line
|
|
5250 5450 5250 8350
|
|
Wire Wire Line
|
|
5300 5550 5300 8450
|
|
Wire Wire Line
|
|
5350 5650 5350 8550
|
|
Wire Wire Line
|
|
5400 5750 5400 8650
|
|
Wire Wire Line
|
|
5450 5850 5450 8750
|
|
Wire Wire Line
|
|
11550 7550 11700 7550
|
|
Wire Wire Line
|
|
11700 7550 11700 10150
|
|
Wire Wire Line
|
|
2600 10150 11700 10150
|
|
Wire Wire Line
|
|
11750 10200 11750 7650
|
|
Wire Wire Line
|
|
11750 7650 11550 7650
|
|
Wire Wire Line
|
|
2650 10200 11750 10200
|
|
Wire Wire Line
|
|
11800 10250 11800 7750
|
|
Wire Wire Line
|
|
11800 7750 11550 7750
|
|
Wire Wire Line
|
|
2700 10250 11800 10250
|
|
Wire Wire Line
|
|
11850 10300 11850 7850
|
|
Wire Wire Line
|
|
11850 7850 11550 7850
|
|
Wire Wire Line
|
|
2750 10300 11850 10300
|
|
Wire Wire Line
|
|
11550 7150 12500 7150
|
|
Wire Wire Line
|
|
12500 7150 12500 4200
|
|
Wire Wire Line
|
|
12500 4200 10700 4200
|
|
Wire Wire Line
|
|
10700 4200 10700 2950
|
|
Wire Wire Line
|
|
10700 2950 11000 2950
|
|
Wire Wire Line
|
|
11550 7250 12550 7250
|
|
Wire Wire Line
|
|
12550 7250 12550 4250
|
|
Wire Wire Line
|
|
12550 4250 10650 4250
|
|
Wire Wire Line
|
|
10650 4250 10650 2250
|
|
Wire Wire Line
|
|
10650 2250 11000 2250
|
|
Wire Wire Line
|
|
11000 1850 10600 1850
|
|
Wire Wire Line
|
|
10600 1850 10600 4300
|
|
Wire Wire Line
|
|
10600 4300 12600 4300
|
|
Wire Wire Line
|
|
12600 4300 12600 7350
|
|
Wire Wire Line
|
|
12600 7350 11550 7350
|
|
Wire Wire Line
|
|
11000 1750 10550 1750
|
|
Wire Wire Line
|
|
10550 1750 10550 4350
|
|
Wire Wire Line
|
|
10550 4350 12650 4350
|
|
Wire Wire Line
|
|
12650 4350 12650 7450
|
|
Wire Wire Line
|
|
12650 7450 11550 7450
|
|
Wire Wire Line
|
|
12600 2750 13150 2750
|
|
Wire Wire Line
|
|
13150 2750 13150 5150
|
|
Wire Wire Line
|
|
13150 5150 11700 5150
|
|
Wire Wire Line
|
|
12600 2850 13200 2850
|
|
Wire Wire Line
|
|
13200 2850 13200 5250
|
|
Wire Wire Line
|
|
13200 5250 11750 5250
|
|
Wire Wire Line
|
|
11000 3150 10950 3150
|
|
Wire Wire Line
|
|
10950 3150 10950 4550
|
|
Wire Wire Line
|
|
10950 4550 11800 4550
|
|
Wire Wire Line
|
|
11800 4550 11800 5350
|
|
Wire Wire Line
|
|
11800 5350 11550 5350
|
|
Wire Wire Line
|
|
10900 3050 10900 4600
|
|
Wire Wire Line
|
|
10900 4600 11850 4600
|
|
Wire Wire Line
|
|
11850 4600 11850 5450
|
|
Wire Wire Line
|
|
11850 5450 11550 5450
|
|
Wire Wire Line
|
|
10900 3050 11000 3050
|
|
Wire Wire Line
|
|
11550 5850 11850 5850
|
|
Wire Wire Line
|
|
11850 5850 11850 5450
|
|
Connection ~ 11850 5450
|
|
Wire Wire Line
|
|
11550 5750 11800 5750
|
|
Wire Wire Line
|
|
11800 5750 11800 5350
|
|
Connection ~ 11800 5350
|
|
Wire Wire Line
|
|
11550 5650 11750 5650
|
|
Wire Wire Line
|
|
11750 5650 11750 5250
|
|
Connection ~ 11750 5250
|
|
Wire Wire Line
|
|
11750 5250 11550 5250
|
|
Wire Wire Line
|
|
11550 5550 11700 5550
|
|
Wire Wire Line
|
|
11700 5550 11700 5150
|
|
Connection ~ 11700 5150
|
|
Wire Wire Line
|
|
11700 5150 11550 5150
|
|
Wire Wire Line
|
|
4150 2550 4150 7850
|
|
$Comp
|
|
L Device:C C8
|
|
U 1 1 60A58951
|
|
P 12200 7800
|
|
F 0 "C8" H 12315 7846 50 0000 L CNN
|
|
F 1 "C" H 12315 7755 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 12238 7650 50 0001 C CNN
|
|
F 3 "~" H 12200 7800 50 0001 C CNN
|
|
1 12200 7800
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L Device:C C7
|
|
U 1 1 60A87587
|
|
P 12150 5750
|
|
F 0 "C7" H 12265 5796 50 0000 L CNN
|
|
F 1 "C" H 12265 5705 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 12188 5600 50 0001 C CNN
|
|
F 3 "~" H 12150 5750 50 0001 C CNN
|
|
1 12150 5750
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
11050 6850 12200 6850
|
|
Wire Wire Line
|
|
12200 6850 12200 7650
|
|
Connection ~ 11050 6850
|
|
Wire Wire Line
|
|
11050 8450 12200 8450
|
|
Wire Wire Line
|
|
12200 8450 12200 7950
|
|
Connection ~ 11050 8450
|
|
Wire Wire Line
|
|
12150 5900 12150 6450
|
|
Wire Wire Line
|
|
12150 6450 11050 6450
|
|
Connection ~ 11050 6450
|
|
Wire Wire Line
|
|
12150 5600 12150 4850
|
|
Wire Wire Line
|
|
12150 4850 11050 4850
|
|
Connection ~ 11050 4850
|
|
Wire Wire Line
|
|
11050 8800 11050 8450
|
|
Wire Wire Line
|
|
7050 6050 7050 8800
|
|
$Comp
|
|
L 74xx:74LS32 U8
|
|
U 5 1 60BA60C0
|
|
P 7500 8300
|
|
F 0 "U8" H 7730 8346 50 0000 L CNN
|
|
F 1 "74LS32" H 7730 8255 50 0000 L CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 7500 8300 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 7500 8300 50 0001 C CNN
|
|
5 7500 8300
|
|
1 0 0 -1
|
|
$EndComp
|
|
Connection ~ 7500 8800
|
|
Connection ~ 6750 7800
|
|
$Comp
|
|
L Device:C C9
|
|
U 1 1 60C3A67B
|
|
P 7150 8650
|
|
F 0 "C9" H 7265 8696 50 0000 L CNN
|
|
F 1 "C" H 7265 8605 50 0000 L CNN
|
|
F 2 "Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm" H 7188 8500 50 0001 C CNN
|
|
F 3 "~" H 7150 8650 50 0001 C CNN
|
|
1 7150 8650
|
|
1 0 0 -1
|
|
$EndComp
|
|
Connection ~ 7150 8800
|
|
Wire Wire Line
|
|
7150 8800 7500 8800
|
|
Wire Wire Line
|
|
7150 8500 7150 7800
|
|
Connection ~ 7150 7800
|
|
Wire Wire Line
|
|
7150 7800 7500 7800
|
|
Text Notes 10000 6300 0 50 ~ 0
|
|
Enable on\nR/W high\nA2 low\nDEV_SELECT low
|
|
Text Notes 9850 8200 0 50 ~ 0
|
|
Latch Clock on\nR/W low\nA3 low\nDEV_SELECT low
|
|
$Comp
|
|
L 74xx:74LS32 U8
|
|
U 1 1 60D9A204
|
|
P 6550 6250
|
|
F 0 "U8" H 6550 6575 50 0000 C CNN
|
|
F 1 "74LS32" H 6550 6484 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 6550 6250 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6550 6250 50 0001 C CNN
|
|
1 6550 6250
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L 74xx:74LS32 U8
|
|
U 2 1 60D9A31D
|
|
P 6550 6850
|
|
F 0 "U8" H 6550 7175 50 0000 C CNN
|
|
F 1 "74LS32" H 6550 7084 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 6550 6850 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 6550 6850 50 0001 C CNN
|
|
2 6550 6850
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
6850 6250 6950 6250
|
|
Wire Wire Line
|
|
6950 6250 6950 6150
|
|
Wire Wire Line
|
|
6950 6150 10550 6150
|
|
Wire Wire Line
|
|
6850 6850 9200 6850
|
|
Wire Wire Line
|
|
9200 6850 9200 8050
|
|
Wire Wire Line
|
|
9200 8050 10550 8050
|
|
Wire Wire Line
|
|
5750 4500 5750 6150
|
|
Wire Wire Line
|
|
5750 6150 6250 6150
|
|
Connection ~ 5750 4500
|
|
Wire Wire Line
|
|
5750 6150 5750 6750
|
|
Wire Wire Line
|
|
5750 6750 6250 6750
|
|
Connection ~ 5750 6150
|
|
Wire Wire Line
|
|
7050 8800 7150 8800
|
|
Wire Wire Line
|
|
6750 7800 7150 7800
|
|
Wire Wire Line
|
|
5650 7800 6000 7800
|
|
Wire Wire Line
|
|
6000 8800 6450 8800
|
|
Wire Wire Line
|
|
7500 8800 11050 8800
|
|
$Comp
|
|
L 74xx:74LS32 U8
|
|
U 3 1 60F3F0CC
|
|
P 3500 6350
|
|
F 0 "U8" H 3500 6675 50 0000 C CNN
|
|
F 1 "74LS32" H 3500 6584 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 3500 6350 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 3500 6350 50 0001 C CNN
|
|
3 3500 6350
|
|
1 0 0 -1
|
|
$EndComp
|
|
$Comp
|
|
L 74xx:74LS32 U8
|
|
U 4 1 60F3F167
|
|
P 3500 6900
|
|
F 0 "U8" H 3500 7225 50 0000 C CNN
|
|
F 1 "74LS32" H 3500 7134 50 0000 C CNN
|
|
F 2 "Package_DIP:DIP-14_W7.62mm" H 3500 6900 50 0001 C CNN
|
|
F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 3500 6900 50 0001 C CNN
|
|
4 3500 6900
|
|
1 0 0 -1
|
|
$EndComp
|
|
Wire Wire Line
|
|
3200 6450 1300 6450
|
|
Connection ~ 1300 6450
|
|
Wire Wire Line
|
|
1300 6450 1300 8250
|
|
Wire Wire Line
|
|
3200 7000 1250 7000
|
|
Connection ~ 1250 7000
|
|
Wire Wire Line
|
|
1250 7000 1250 8350
|
|
Wire Wire Line
|
|
3200 4950 3200 5650
|
|
Wire Wire Line
|
|
3200 5650 2700 5650
|
|
Wire Wire Line
|
|
2700 5650 2700 6800
|
|
Wire Wire Line
|
|
2700 6800 3200 6800
|
|
Connection ~ 3200 4950
|
|
Wire Wire Line
|
|
3200 4950 3250 4950
|
|
Wire Wire Line
|
|
2550 5050 2550 6250
|
|
Wire Wire Line
|
|
2550 6250 3200 6250
|
|
Connection ~ 2550 5050
|
|
Wire Wire Line
|
|
3800 6350 6250 6350
|
|
Wire Wire Line
|
|
3800 6900 6250 6900
|
|
Wire Wire Line
|
|
6250 6900 6250 6950
|
|
Text Notes 2700 6200 0 50 ~ 0
|
|
Inverted R/W
|
|
Text Notes 2900 6750 0 50 ~ 0
|
|
R/W
|
|
Text Notes 3000 7100 0 50 ~ 0
|
|
A3
|
|
Text Notes 3000 6550 0 50 ~ 0
|
|
A2
|
|
$EndSCHEMATC
|