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.

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter32: Standby Power Systems

Section: Chapter Questions

Problem 7R: Briefly explain the function of a transfer switch. _____

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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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