# Atari 7800 Cartridge

(at the Atari)

UNKNOWN CONNECTOR at the Atari.

Pin | Name | Description
--- | --- | ---
1 | R/W | Read/Write
2 | HALT | Halt
3 | D3 | Data 3
4 | D4 | Data 4
5 | D5 | Data 5
6 | D6 | Data 6
7 | D7 | Data 7
8 | A12 | Address 12
9 | A10 | Address 10
10 | A11 | Address 11
11 | A9 | Address 9
12 | A8 | Address 8
13 | +5V | +5 VDC
14 | GND | Ground
15 | A13 | Address 13
16 | A14 | Address 14
17 | A15 | Address 15
18 | EAUDIO | EAudio ???
19 | A7 | Address 7
20 | A6 | Address 6
21 | A5 | Address 5
22 | A4 | Address 4
23 | A3 | Address 3
24 | A2 | Address 2
25 | A1 | Address 1
26 | A0 | Address 0
27 | D0 | Data 0
28 | D1 | Data 1
29 | D2 | Data 2
30 | Gnd | Gnd
31 | IRQ | Interrupt
32 | CLK2 | Clock 2 ???

Contributor: Joakim Ögren

Source:
Classic Atari 2600/5200/7800 Game Systems FAQ

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08