# Atari 5200 Expansion

(At the Atari)

UNKNOWN CONNECTOR at the Atari.

Pin | Name
--- | ---
1 | +5 VDC
2 | Audio Out (2 port)
3 | Ground
4 | R/W Early
5 | Enable E0-EF
6 | D6
7 | D4
8 | D2
9 | D0
10 | IRQ
11 | Ground
12 | Serial Data In
13 | Serial In Clock
14 | Serial Out Clock
15 | Serial Data Out
16 | Audio In
17 | A14
18 | System Clock 01
19 | A11
20 | A7
21 | A6
22 | A5
23 | A4
24 | A3
25 | A2
26 | A1
27 | A0
28 | Ground
29 | D1
30 | D3
31 | D5
32 | D7
33 | Not connected
34 | Ground
35 | Not connected
36 | +5 VDC