Apple-2-HW/Apple2-IO-RPi
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Apple2-IO-RPi/Hardware/Apple2IORPi.sch-bak

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr USLedger 17000 11000
encoding utf-8
Sheet 1 1
Title "Parallel Apple II Pi"
Date "2020-11-02"
Rev "0.1"
Comp "Terence J. Boldt"
Comment1 "Initial draft desgn"
Comment2 "Provides storage and network for the Apple ]["
Comment3 "Raspberry Pi Zero W as a daughter board"
Comment4 "Expansion card for Apple ][ computers"
$EndDescr
$Comp
L Connector_Generic:Conn_02x25_Counter_Clockwise J?
U 1 1 5FA0A8C3
P 3000 2700
F 0 "J?" H 3050 4117 50 0000 C CNN
F 1 "Apple II Expansion Bus" H 3050 4026 50 0000 C CNN
F 2 "" H 3000 2700 50 0001 C CNN
F 3 "~" H 3000 2700 50 0001 C CNN
1 3000 2700
1 0 0 -1
$EndComp
$Comp
L Memory_EPROM:2764 U?
U 1 1 5FA0EF8B
P 5950 6400
F 0 "U?" H 5950 7581 50 0000 C CNN
F 1 "2764" H 5950 7490 50 0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm" H 5950 6400 50 0001 C CNN
F 3 "https://downloads.reactivemicro.com/Electronics/ROM/2764%20EPROM.pdf" H 5950 6400 50 0001 C CNN
1 5950 6400
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS245 U?
U 1 1 5FA15F43
P 4850 2100
F 0 "U?" H 4850 3081 50 0000 C CNN
F 1 "74LS245" H 4850 2990 50 0000 C CNN
F 2 "" H 4850 2100 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 4850 2100 50 0001 C CNN
1 4850 2100
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS245 U?
U 1 1 5FA19168
P 9100 2100
F 0 "U?" H 9100 3081 50 0000 C CNN
F 1 "74LS245" H 9100 2990 50 0000 C CNN
F 2 "" H 9100 2100 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 9100 2100 50 0001 C CNN
1 9100 2100
1 0 0 -1
$EndComp
$Comp
L Connector:Raspberry_Pi_2_3 J?
U 1 1 5FA19C2C
P 13050 2550
F 0 "J?" H 13050 4031 50 0000 C CNN
F 1 "Raspberry_Pi_2_3" H 13050 3940 50 0000 C CNN
F 2 "" H 13050 2550 50 0001 C CNN
F 3 "https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_3bplus_1p0_reduced.pdf" H 13050 2550 50 0001 C CNN
1 13050 2550
1 0 0 -1
$EndComp
$Comp
L 74xx:74LS374 U?
U 1 1 5FA1EB22
P 9100 4100
F 0 "U?" H 9100 5081 50 0000 C CNN
F 1 "74LS374" H 9100 4990 50 0000 C CNN
F 2 "" H 9100 4100 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS374" H 9100 4100 50 0001 C CNN
1 9100 4100
1 0 0 -1
$EndComp
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$EndSCHEMATC
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