Problem with PIC 16F628A resetting intermittently

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  1. - 22nd October 2013, 08:34 #3
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    Acetronics2
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    Default Re: Problem with PIC 16F628A resetting intermittently

    From my experience in industrial control ...

    1) mains is " not so clean " and a strong filtering + backup battery generally solve 99% of regulation problems.

    2) use a hardware reset circuit like with a MC 33164P5 ...

    3) use Hardware pullups and not "software" ones ...

    4) a CRC check could be a nice idea ...

    5) take great care of your line to the DS1820 ... ( see Dallas design ideas for rugged nets ... )

    6) you could add some checking of the Status and Pcon registers to help identifiying the problem ( add a couple of leds i.e. )

    Alain
    Last edited by Acetronics2; - 22nd October 2013 at 08:40.
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