# C64 Serial I/O

Available on the Commodore C64, C16, C116 and +4 computers.

(at the computer)
(at the cable)

6 PIN DIN (DIN45322) FEMALE at the Computer.
6 PIN DIN (DIN45322) MALE at the Cable.

Pin | Name | Description
--- | --- | ---
1 | /SRQIN | Serial SRQIN
2 | GND | Ground
3 | ATN | Serial ATN In/Out
4 | CLK | Serial CLK In/Out
5 | DATA | Serial DATA In/Out
6 | /RESET | Reset

Contributor: Joakim Ögren, Arwin Vosselman

Source:
SAMS Computerfacts CC8 Commodore 16.

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07