Very true, Olin. After looking at the datasheet again, I see that it was
made quite clear. The lesson here (for me) is READ the datasheet!

Sean

At 08:24 AM 1/10/2003 -0500, you wrote:
> > That makes perfect sense now (considering how the CCP module works).
> > However, I don't think it actually explicitly states this in the
>datasheet
> > I have. I wish they made this more explicit.
>
>They did.  See section 8.3.2 of DS3029C, page 61: "The following equation
>is used to caclulate the PWM duty cycle in time:".  Figure 8-3 on the same
>page also shows a diagram of a CCP module in PWM mode.
>
> > I was just assuming that the
> > duty worked as a fraction over 255 (i.e., 0 would be 0% and 255 would be
> > 100%) but now I see how poor an assumption that was.
>
>*Think* about how that would have to be implemented.  That would require a
>division or other complicated logic to compute the number of oscillator
>cycles for the PWM duty cycle time.
>
>
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