INTRODUCTION TO MICROPEOCESSOR
MICROCOMPUTER SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
This is an 8279 pin configuration that enables the 8279 for programming, reading the keyboard and status information, and writing control and display data
|
Blank
|
|
Chip Select
|
|
Control/Strobe
|
|
Interrupt Request
|
Explanation:
Detailed explanation-1: -CS(CHIP SELECT) When this pin is low MP will write data or control words into the 8279. A0-When it is high it indicates the transfer of a command or status info.
Detailed explanation-2: -The control and timing registers store the keyboard and display modes and other operations programmed by CPU.
There is 1 question to complete.