a. Develop a time delay procedure for the 3.0 GHz Pentium-Core2 that waits for50msb. The 8255 shown in the following is configured as follows: port A as output, B asinput, and port C (low and high) as output.1. Find the port addresses assigned to A, B, C and the control register2. Find the control byte (word) for this configuration.3. Program the ports to input data from port B and send it to both ports A andC.Hint you can use delay in (a) if neededAOA3A4A5A6A710/MDOD7IOW-IOR-A2A1DOD7WRRDA0AlOCSABCLCH

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a. Develop a time delay procedure for the 3.0 GHz Pentium-Core2 that waits for 50ms

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

a. Develop a time delay procedure for the 3.0 GHz Pentium-Core2 that waits for
50ms
b. The 8255 shown in the following is configured as follows: port A as output, B as
input, and port C (low and high) as output.
1. Find the port addresses assigned to A, B, C and the control register
2. Find the control byte (word) for this configuration.
3. Program the ports to input data from port B and send it to both ports A and
C.
Hint you can use delay in (a) if needed
AO
A3
A4
A5
A6
A7
10/M
DO
D7
IOW-
IOR-
A2
A1
DO
D7
WR
RD
A0
Al
OCS
A
B
CL
CH

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