Search found 2 matches

by Ouroborus
Fri Mar 21, 2008 4:03 pm
Forum: V-USB
Topic: Oscillator capacitor values
Replies: 2
Views: 3769

Ah, then I guess these values aren't particularly critical. Well, that's good to know, thank you.
by Ouroborus
Fri Mar 14, 2008 9:18 pm
Forum: V-USB
Topic: Oscillator capacitor values
Replies: 2
Views: 3769

Oscillator capacitor values

The crystal's associated pair of capacitors are usually listed as 27p but the Atmel docs usually recommend 12-22p. I'm not really clear on how to pick values for these caps to begin with. If I had to guess, the higher values have to do with using 3.3V rather than 5V. Is that the reason for the diffe...