2nd attempt to send this.
How do I know if I am going to overdrive a crystal?  I am planning on
using a 16c54xt with a AT cut 4mhz crystal.  The ones I am getting list a
drive level of 10uW (fundamental) and 50uW(3rd).  Looking at the data
sheet on the PIC16C54, I can't find the section that lists how hard the
'54 drives crystals or what size series resistor to use in series to
limit power to a desired level.

Thanks in advance!

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( Dave Schmidt       DSchmidt Technologies )
( dschmidt@rain.org     Ventura, CA        )
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