piclist 2002\09\24\165933a >
Thread: Stupid Question
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face BY : Matt Johnson email (remove spam text)



I am new to this. I was wondering for this beginner circuit:

http://www.piclist.com/techref/piclist/cheapic/bincnt.htm

does the C = 33pf designate a Crystal? if not, if it is a capacitor then I
am confused by the drawing because it says 32.768 kHz but does not show an
icon for the crystal.

Which leads me to a generic question. When designing a circuit how do you
choose which crystal to use? do all projects use the same generally? what
brand and part number? Also, what other components need to be ordered
(like 5v regulator, etc). I am going to make an order to digikey and I
dont want to get the stuff and realize I have to place a whole other order
becasue I forgot some stupid support component...

- Matt

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