Determine control words when the ports of Intel 8255 are defined as follows: • Port A as an input port. Mode of the Port A is Mode 0. • Port B as an input port. Mode of the Port B is Mode 0. • Port C upper and C lower are input ports.

Determine control words when the ports of Intel 8255 are defined as follows: • Port A as an input port. Mode of the Port A is Mode 0. • Port B as an input port. Mode of the Port B is Mode 0. • Port C upper and C lower are input ports.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

ChapterS: Safety, Basic Electricity And Ohm's Law

Section: Chapter Questions

Problem 8RQ: What is an MSDS?

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Question

Q 4.
a) Determine control words when the ports of Intel 8255 are defined as follows:
Port A as an input port. Mode of the Port A is Mode 0.
Port B as an input port. Mode of the Port B is Mode 0.
Port C upper and C lower are input ports.

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