2
Overview
TheZ80 PIOmodule(SC103) provides two 8-bitparallel portswith handshakingand
flexible input and output connectivity,as well assupport for Z80mode2 interrupt
daisy chaining.
Eachport haseightbidirectionaldata lines and twohandshaking lines. ThePIO has
flexible interruptgenerationand fully supportsZ80mode2 interrupts.
For full details ofthe Z80 PIOsee theZilogdatasheet.
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