8255 PPI chip: Difference between revisions
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== The Internal PPI in CPC == | == The Internal PPI in CPC == | ||
* See [[8255]] | * See [[8255]] (controls cassette, keyboard, psg, etc.) | ||
== Hardware Expansions with external PPI == | == Hardware Expansions with external PPI == | ||
Revision as of 20:35, 23 August 2010
The 8255 PPI (Programmable Peripheral Interface) is a general purpose I/O chip.
The Internal PPI in CPC
- See 8255 (controls cassette, keyboard, psg, etc.)
Hardware Expansions with external PPI
- IDE8255 (harddisk interface)
- Panda Electronics Communications Interface Unit (8bit printer port plus general purpose 8bit I/O port)
- Maplins Amstrad Expansion System (Part 2) (6x8bit I/O port, using two PPI chips)
Datasheet
- Media:PPI M5L8255AP-5.pdf PPI Datasheet (Mitsubishi)