>> Fifteen new PICs with crystal-free USB operation.  Includes 16F varietie=
s
>> down to 14 pins, 18F "replacements" for the venerable 4550 and 2550, and
>> larger 18F varieties.
>
> One blurb I read mentions that these chips only obtain 0.25% accuracy
> when actively connected to USB.  Does this mean they are synchronizing
> to the timebase in the USB host?

My understanding is that this is true for the smaller chips.

The 64/80/100 pin chips appear to have their own accurate clock.

I could be wrong...

-- Bob Ammerman
RAm Systems

--=20
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