Jim Main <PICLIST@MITVMA.MIT.EDU> wrote:

> I'd like to use one of the CCP modules on the 16C74A to decode a
> frame of pwm data
> ....
> I need to capture on the leading and the trailing edge of each
> pulse.
>
> I thought of changing the CCPCON register as soon as the first
> positive edge had caused an interrupt, so that it'd capture again on
> the trailing edge.
>
> The data book says that doing this can cause an unwanted interrupt -
> is it enough to clear out the CCP1IF bit again before returning from
> the first interrupt?

    Yes.

    -Andy

=== Andrew Warren - fastfwd@ix.netcom.com
=== Fast Forward Engineering - Vista, California
=== http://www.geocities.com/SiliconValley/2499

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