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Low range frequency meter
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Sherif Welsen



Joined: 03 Feb 2005
Posts: 20
Post21 Mar 2008 13:48   

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

Regards
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Post21 Mar 2008 13:48   

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nandhu015



Joined: 11 Feb 2006
Posts: 640
Helped: 46
Location: Tamilnadu, India
Post21 Mar 2008 14:25   

Re: Low range frequency meter
Use interrupts and timer

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

freq = 1/time

Regards
Nandhu
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Sherif Welsen



Joined: 03 Feb 2005
Posts: 20
Post21 Mar 2008 16:45   

Re: Low range frequency meter
would you plz give me the code in ASM format?
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