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Created by Readiris, Copyright IRIS 2008, Datasheet for 82C55A Peripheral Interface Adapter PIA
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Appendix E - 82C55A PIA Data Sheet and PIA Control Code for Experts
Datasheet for 82C55A Peripheral Interface Adapter PIA
The data sheet presented at end of this appendix details use of Harris 82C55A peripheral interface adapter (PIA). The following code provides general purpose driver routines. This code may prove useful to those who wish to configure ports PPB and lower …
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