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Q2) Given the following devices: 8255 PPI at 1/0 address 60H, 8259 PIC at 1/0 address 70H, 74LS138 decoder, keyboard connected to the highest interrupt request with vector type 52 (decimal), parallel printer with vector type 55 (decimal). a. Show how to connect the above devices in an 80x86 system, In the l/0 decoding circuit include M/IO#, ADS#. b. Write the initialization code for the PPI interface c. Write the initialization code for the PIC use only ICWW1 and ICW2 d. Write a code to read a character from the keyboard then send it to the printer.

Q2) Given the following devices: 8255 PPI at 1/0 address 60H, 8259 PIC at 1/0 address 70H, 74LS138 decoder, keyboard connected to the highest interrupt request with vector type 52 (decimal), parallel printer with vector type 55 (decimal). a. Show how to connect the above devices in an 80x86 system, In the l/0 decoding circuit include M/IO#, ADS#. b. Write the initialization code for the PPI interface c. Write the initialization code for the PIC use only ICWW1 and ICW2 d. Write a code to read a character from the keyboard then send it to the printer.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Q2) Given the following devices: 8255 PPI at 1/0 address 60H, 8259 PIC at l/0 address 70H, 74LS138 decoder, keyboard connected to the highest interrupt request with vector type 52 (decimal), parallel printer with vector type 55 (decimal). a. Show how to connect the above devices in an 80x86 system, In the l/O decoding circuit include M/IO#, ADS#. b. Write the initialization code for the PPI interface c. Write the initialization code for the PIC use only ICW1 and ICW2 d. Write a code to read a character from the keyboard then send it to the printer.
Transcribed Image Text:Q2) Given the following devices: 8255 PPI at 1/0 address 60H, 8259 PIC at l/0 address 70H, 74LS138 decoder, keyboard connected to the highest interrupt request with vector type 52 (decimal), parallel printer with vector type 55 (decimal). a. Show how to connect the above devices in an 80x86 system, In the l/O decoding circuit include M/IO#, ADS#. b. Write the initialization code for the PPI interface c. Write the initialization code for the PIC use only ICW1 and ICW2 d. Write a code to read a character from the keyboard then send it to the printer.
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