> And then my next question would be what capacitor value I should use, 
> given that I can have a really small one with a really big resistance, 
> or a really big one with a really small resistance.

The proper answer is (if you want reliable maximum speed): none, use a 
resonator, crystal, or canned oscillator instead. And read the posts 
about those. IMHO a 3-leg resonator (with build-in caps) is the most 
hassle-free, but also the least accurate (but for most purposes, 
including serail asynch comm, accurate enough).

-- 

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu

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