Marcel Duchamp wrote:
> I'm having some kind of problem getting the hspll mode to work on a
> PIC18F4620.  Checking with a scope on a pin being toggled shows
> operation 4 times too slow .... looks like the pll is not on.  The 10MHz
> crystal is in fact working at 10MHz.

Right.  The PLL doesn't change the frequency the crystal operates at.  It
takes the frequency from the crystal and multiplies it by 4 for internal
use.  You won't see 40MHz on any pin.


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