Changes

AMSSIO

50 bytes removed, 12:16, 4 January 2010
/* Technical */
== Technical ==
Connects between Z80 CPU and mainboard. Uses a 1.8432MHz oscillator, MC14411P bit rate generator, a 6850 ACIA, a MAX232 voltage converter, and 74LS04 and 74LS08 logic chips. See CPCI description for details on the 6850 chip.  Port addresses, schematics, and differences between versions I-III are unknown (the AMSSIO webpage doesn't exist anymore).
* [[6850 ACIA chip]]
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