HPWM problems

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  1. - 7th November 2006, 20:14 #1
    Samoele's Avatar
    Samoele
    Samoele is offline Junior Member
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    Default HPWM problems

    Hello,

    does anybody know the usage of CCP1(PWM) modul in PIC16F876?

    I have some problems, which I can not solve by myself.

    1. I can reach frequency 100Hz on channel 1 only by 455KHZ resonator (HPWM pin,var,850). Does it exist some software solution (i.e. with timer settings by 4 MHZ clock)?

    2. I would like to synhronize beginning of PWM pulse with outside frequency 50 HZ. Can CCP modul be activated with outside pin (INT)? I have tried to set register CCP1CON=11, but times of activation were not constant.
    Can anybody explain all other settings for HPWM?

    Thank you for your help in advance.

    Samo, Slovenia
    Last edited by Samoele; - 8th November 2006 at 07:18.
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