Figure - Atari 130XE Service Manual

Cartridge and Expansion Interface
The cartridge interface is a 30 pin edge connector, the expansion is 14 pin edge connector.
Pin
A RD4 Input from cartridge
B GND Ground
C A4 Address Bus
D A5 Address Bus
E A6 Address Bus
F A7 Address Bus
H A8 Address Bus
J A9 Address Bus
K A12 Address Bus
L D3 Data Bus
M D7 Data bus
N A11 Address Bus
P A10 Address Bus
R R/!W Read/Write
ø
S
B 2 Buffered Phase 2
130XE Personal Computer
Field Service Manual
This side up
External view
Assignments
Figure 1-14. Cartridge Interface Pin Assignment
(!) Signal active LOW
Pin Assignments
1 !S4 Select
2 A3 Address Bus
3 A2 Address Bus
4 A1 Address Bus
5 A0 Address Bus
6 D4 Data Bus
7 D5 Data Bus
8 D2 Data Bus
9 D1 Data Bus
10 D0 Data Bus
11 D6 Data Bus
12 !S5 Select
13 Vcc +5V
14 RD5 Input from cartridge
15 !CCTL Cartridge Enable
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