Enhanced Cartridge Interface

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ECI = Enhanced Cartridge Interface

Available on Atari 130XE, 800XE, and some 65XE.

Pinout 

A B C D E F H
o o o o o o o
o o o o o o o
1           7
A Reserved
B ~IRQ Interrupt request
C ~HALT Halt CPU
D A13 CPU Address bus line
E A14 CPU Address bus line
F A15 CPU Address bus line
H GND Ground
1 ~EXTSEL External Select
2 ~RST Reset output
3 ~D1XX Chip select at area $D1xx
4 ~MPD Math Pack (FP) disable
5 Audio input
6 ~REF Refresh cycle
7 +5V

Contributions

Sources

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