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Aleste 520EX - I/O Ports

127 bytes added, 03:21, 22 February 2010
/* PPI Port A (Port F4xxh) */
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Ext Port (Port FABFh) controls whether PSG, RTC, or Timer is selected.
* For info on Baudrate/Future Timer see [[8253 chip]].
=== PPI Port B (Port F5xxh) ===
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