Have you checked your trace impedances for reflections?  I'm not positive,
but it may be possible that at higher speeds it's so noisy that the host
automatically downgrades you.


On 11/7/06, Wouter van Ooijen <wouter@voti.nl> wrote:
>
> Another suggestion: can you use the same chip on the demo board and on
> your own? If not, do they have the same chip revision? There are 'known'
> but unacknowledged problems with pickit2 (uses 18F2550) USB
> connection/enumeration, but it generaly manifests itself as "unknown USB
> device".
>
> Wouter van Ooijen
>
> -- -------------------------------------------
> Van Ooijen Technische Informatica: www.voti.nl
> consultancy, development, PICmicro products
> docent Hogeschool van Utrecht: www.voti.nl/hvu
>
>
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-- 

Shawn Wilton (b9 Systems)
http://b9Systems.com  <- New web page
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