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PWM signal from a pic

rob_croxford

Aug 3, 2010
262
Joined
Aug 3, 2010
Messages
262
Hi all,

I have recently designed a program for the PIC12f683. This program takes an input voltage of 0-5VDC and creates a PWM signal on the output. (0V = 0% duty, 5V = 100% duty) so far i have managed to get the output at arround 1000Hz.

My questions are:

Is it possible to get a low frequency PWM signal out of a pic??
Is it possible to use an external clock to create this frequency??


Any help is greatly appreciated.
 
Last edited:

rob_croxford

Aug 3, 2010
262
Joined
Aug 3, 2010
Messages
262
I didnt realise the PIC12F683 had various oscilator frequencies (125KHz - 8MHz). i have set it at a lower one now :D
 
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