2009/10/29 Peter van Hoof <pvhoof@yahoo.com>:
> Greetings to all.
>
> A friend has started building a circuit with a 18F4550 and a 20 MHz 3 pin ceramic resonator.
> Is a resonator accurate enough to allow USB communication or does he need a quartz?
>
>
> Peter van Hoof
>
I've not tried it myself, but the USB Bit Whacker uses a ceramic
resonator. See http://www.schmalzhaus.com/UBW/

Matt
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