Robin Abbott wrote:

> No - this was a silicon bug which caused the USB engine to send 4 spurious
> bytes over the interface (causing repeated bus resets). It only happenned
> when there were delays between actions on the bus. I am not sure if
> Microchip ever admitted this in an errata as their C code worked fine.

I see Robin, thank you.
I assumed "transmitted packet" as the USART packet.

-- 
Ciao, Dario
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