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PWM signal from a pic

Discussion in 'Microcontrollers, Programming and IoT' started by rob_croxford, Sep 7, 2010.

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  1. rob_croxford


    Aug 3, 2010
    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: Sep 8, 2010
  2. rob_croxford


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


    Sep 17, 2010
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