a. Develop a time delay procedure for the 3.0 GHz Pentium-Core2 that waits for 50ms
a. Develop a time delay procedure for the 3.0 GHz Pentium-Core2 that waits for 50ms
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter17: Commercial And Industrial Air-conditioning Control Systems
Section: Chapter Questions
Problem 25RQ
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc1c898f5-270b-4054-81c8-42375dafe2b4%2Fd09f4f79-2f0c-4f16-bce0-b3b2f783473e%2Fcs55tbk_processed.png&w=3840&q=75)
Transcribed Image Text: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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