> Hi,
> I'm using PIC18F8621 with 40 MHz crystal and I've just tested it 
> with an oscilloscope.
> The odd thing is that it shows that the frequency is about 13MHz 
> on both outputs (X1 and X2).
> What could be the reason of it? Load capacitance? 
don't use 40mhz crystals with the pic, they aren't designed for it. Either use a 10mhz crystal with the pll or use an oscilator module.



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