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Low range frequency meter

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Sherif Welsen

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I want to design a 8051 based system as a frequency meter. It has to measure low frequencies with step 1 Hz.

Regards
 

Use interrupts and timer

start the timer at first interrupt and stop it at second interrupt

freq = 1/time

Regards
Nandhu
 

would you plz give me the code in ASM format?
 

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