If the crystal frequency of 8051 is 12 MHz, while its assembly language program to do the following: Generate a delay of 2 ms.

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written 6.1 years ago by

teamques10 ★ 68k

• modified 2.9 years ago

Subject : Microcontroller and Embedded Programming

Topic : Asynchronous Serial Data Connection

Difficulty : Medium

microcontroller and embedded programming

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written 6.1 years ago by

teamques10 ★ 68k

Generate a delay of 2 ms.

Crystal frequency - 12 MHz

T = 12/ 12 X 106 = 1 μs

Let us determine the count to get a delay of 1ms

1ms/1us = 1000 clocks

Count = 65536 -1000

Count = 64536

Count = FC18H

To get a delay of 2 msec we have to represent the delay of timer 0 , 2 times

PROGRAM

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