> > If this is for IR modulation (38Khz)
> 
> If it is the OP should not bother too much about the last 1% of
> accuracy.
> 
> Wouter van Ooijen

I agree.  I've made 38kHz IR modulation work with a 12F675
on its internal oscillator.  It's quite close enough to work with
even pre-existing equipment (i.e., if you want to create a
replacement Sony remote control, a 12F675 on internl osc is
by far good enough).

Mike H.
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