Q.3: If 82C55 shown in Figure below is configured as follows: PA as input, PB as output, and PC as output and all ports in mode-0. a- Find the port address assigned to A, B, C, and control register. b- Find the control byte (word) for this configuration. c- Write a program to input the data from PA and find X & Y, then sent the result of X to port B and the result of Y to port C. X = A -5, Y = A + 2 DO DO D7 07 Write signal. Read signal WR RD B CL A0 A1 A7 A1 CU A15 CS tt 82CSSA

Q.3: If 82C55 shown in Figure below is configured as follows: PA as input, PB as output, and PC as output and all ports in mode-0. a- Find the port address assigned to A, B, C, and control register. b- Find the control byte (word) for this configuration. c- Write a program to input the data from PA and find X & Y, then sent the result of X to port B and the result of Y to port C. X = A -5, Y = A + 2 DO DO D7 07 Write signal. Read signal WR RD B CL A0 A1 A7 A1 CU A15 CS tt 82CSSA

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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