> 4 MHz vs 10 mHZ vs other frequencies:
>
> I tend to like frequencies for crystals that can divide down evenly to
> baud rates.  For instance the 18.432 Mhz crystal will divide down with
nil
> errors to 9600 baud, whereas 4 Mhz or 10 MHZ always have some error in
the
> baud rate.  Why design in problems?  It is trouble enough to get a PIC to
> talk back to your computer.
>
That's all fine and good if a serial connection is the primary concern, but
many devices don't have a serial port. They may be more concerned with even
division to seconds, or something else.


-Denny

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