AVR-Chat

Because the caps are, in essence, in series with each other, and so 
two 33 pF caps in series is equivalent to a 16.5 pF cap in parallel with 
the crystal.

tom

weston54 wrote:
>
> 33pf caps?? The crystal is 10mhz, and stamped right on the package
> from Digikey is that it's rated for 18pf caps. I'm not sure I
> understand why you recommend 33pf caps.
>