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Write an assembly language to generate a rectangular waveform of frequency 1KHz and 30% duty cycle at pin P1.0 using 8051. Assume 8051 is operating at frequency 12 MHz.

written 6.0 years ago by teamques10 ★ 68k

•   modified 5.0 years ago

microcontroller and embedded programming

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written 6.0 years ago by teamques10 ★ 68k

10kHz Means time period is 1ms ........

Duty Cycle 30% so on period is only 30% of .1ms

1. Make a delay of .01ms

call it three times ....during that time keep port high

2. Again call delay of .01ms 7 times keep the value of the chosen port logic zero

3. repeat the steps 1 and 2 forever ....

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