Hello,

I am using a PIC16F877 - 20/P and wish to use a 20.0 MHz resonator with it.
I am using a ECS Inc. ZTT-20.00MX resonator.  It has build in capacitors and
thus I am connected it directly to the PIC, but the PIC doesn't work.  I
have a 4.0 MHz resonator (says ZTT on it) and the PIC works with it.  Any
suggestions?  Is there anything that needs to be changed when swapping
resonators?  I am testing with a simple piece of code that blinks an LED at
1s (though this would be much faster at 20MHz).

Thanks,
Donovan Parks

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