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Sega Genesis Controller


Pin Name (Select=GND) Name (Select=+5V)
1 Up Up
2 Down Down
3 Gnd / Left
4 Gnd / Right
5 +5VDC +5VDC
6 Button A Button B
7 Select Select
8 Ground Ground
9 Start Button C

The chip inside the controller is a 74HC157. This is a high-speed cmos quad 2-line to 1-line multiplexer. The console can with help of the Select-pin choose from two functions on each input.

Contributor: Joakim Ögren, Neal Patrick Howland

SEGA Genesis A/V pinout at GamesX

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2000-07-09