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Table of Contents
Commodore plus/4
The Commodore is a home computer from the 1980s.
The +4 has a number of interfaces which can be used to connect to the outside world. These include a serial UART, 8-bit parallel port, cassette port and a CBM IEC serial bus.
Pinout
User port
1 2 3 4 5 6 7 8 9 10 11 12 GND 5V RES P2 P3 P4 P5 RxC ATN 9V 9V GND GND P0 RxD RTS DTR P7 DCD P6 P1 DSR TxD GND A B C D E F H J K L M N