MICROPROCESSOR AND MICROCONTROLLER

INTRODUCTION TO MICROPEOCESSOR

MICROCOMPUTER SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This is an 8279 pin configurations that selects data (logic 0) or control (logic 1) for read and write between the microprocessor and 8279.
A
AO
B
BD
C
CLK
D
CN/ST CS
Explanation: 

Detailed explanation-1: -Scanned Sensor Matrix : In this mode, a sensor array can be interfaced with 8279 using either encoded or decoded scans.

Detailed explanation-2: -Display Scan: The 8279 generates 8 or 16 characters multiplexed displays that are organized in either dual 4-bit or single 8-bit display units. Display Entry: The data which gets displayed can be either displayed starting from either the right side or left side.

There is 1 question to complete.