Ted Larson wrote...

>So, what do most people do for a 40mhz, reliable, simple clock for these?

Use a 10 MHz resonator and the HS/PLL clock option on the PIC.

>The data sheet seems to suggest using a HS/PLL circuit to 4xstep-up a 10mhz
>crystal.  This seems like overkill, and alot of additional
>circuitry...although would be nice without lots of EMI to mess things up.  I
>have a couple of 20mhz crystals laying around I could double....but, keeping
>it simpler is sounding good to me.  I really don't need the whole selectable
>clocking feature that using the PLL really buys.

What could be simpler?  There's no "whole selectable clocking
feature" involved here- it's a fixed, 4X frequency
multiplication, and it's no harder to use than any of the other
clock modes.  Works great.

Dave D.

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