MICROPROCESSOR AND MICROCONTROLLER

INTRODUCTION TO MICROPEOCESSOR

MODEL OF MICROPROCESSOR

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In control word register of 8254, if SC1=0 and SC0=1, then the counter selected is
A
counter 0
B
counter 1
C
counter 2
D
none
Explanation: 

Detailed explanation-1: -Explanation: There are three counters that can be used as either counters or delay generators.

Detailed explanation-2: -The PCL-818L provides an Intel 8254 programmable interval timer/ counter, version 2. The popular 8254 offers three independent 16-bit down counters. Each counter has a clock input, control gate and an output.

There is 1 question to complete.