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PWM

 
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Hector



Joined: 29 Jun 2006
Posts: 1
Location: Sydney, Australia
PostPosted: Thu Jun 29, 2006 4:11 am    Post subject: PWM Reply with quote
I have three register with a mathematical result (8+8+8= 24 bits) I want to sent out this result using PWM. How this should be done using PIC16F628 ?.

Thanks
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Nigel Goodwin
Site Admin


Joined: 03 May 2006
Posts: 135
Location: Lower Pilsley, North Derbyshire
PostPosted: Thu Jun 29, 2006 7:01 am    Post subject: Reply with quote
Just use the highest ten bits, you can't output a 24 bit value through a ten bit PWM.

Depending what you're trying to do, the highest 8 bits might be enough (better than 0.5% resolution), 10 bits gives you 0.1% resolution.
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