On Sun, Oct 2, 2011 at 9:52 AM, Matt Bennett <mattpiclist@hazmat.com> wrote=
:

>  On a PIC32, I've been able to achieve data transfer rates well over
> 100Kbit/s using the CDC (serial port) class.  I'm pretty sure that it use=
s
> interrupt, though I'm not absolutely sure.
>

CDC is using polling by by default (you can change this). Generic is using
interrupt mode by default.
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