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PWM 8 bit or in 10 bit mode ?

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40inD

Joined: 30 Jul 2007
Posts: 112
Location: Moscow, Russia

PWM 8 bit or in 10 bit mode ?

Posted: Thu Apr 03, 2014 1:52 am

http://www.ccsinfo.com/forum/viewtopic.php?t=45968
If i write for 12F683:

Code:

#device adc=8
...
int16 adcval;
...
adcval=read_adc()*132/255; // 100% duty is 132 (WHY?)
set_pwm1_duty((int)adcval);

PWM will be in 8 bit or in 10 bit mode?

Mike Walne

Joined: 19 Feb 2004
Posts: 1785
Location: Boston Spa UK

Posted: Thu Apr 03, 2014 6:09 am

40inD wrote:

If i write for 12F683:

Code:

#device adc=8
...
int16 adcval;
...
adcval=read_adc()*132/255; // 100% duty is 132 (WHY?)
set_pwm1_duty((int)adcval);

PWM will be in 8 bit or in 10 bit mode?

Try it, and see.

Mike

BTW This is an old thread!

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New thread created per request.
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asmboy

Joined: 20 Nov 2007
Posts: 2128
Location: albany ny

Posted: Thu Apr 03, 2014 8:04 am

Quote:

PWM will be in 8 bit or in 10 bit mode?

its all in the data sheet section 11.3

have you read it ??

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