Jeffrey Siegel wrote:
> Am I missing something?  If I'm running on a 4MHz PIC, the lowest frequency
> PWM that I can generate would be:
>
> PWM period = (255 + 1) * 4 / 4,000,000 * 16 = 0.004096
>
> ...giving a frequency of:  244.14 Hz
>
> What do I do if I need a lower frequency than this?
>
> Thanks!!

What would stop you from implementing a software loop to make a, say, 1
year period if you needed that?  (Software bit-banged PWM...)

  Mark