Richard Nowak <nowak@EARTHLINK.NET> wrote:
> I have been able to run a PIC solution to 115,200 bps and with the newer
> Maxim chips I suspect I could reach 230,400 bps.  That's 23,000 characters
> per second (if the PIC overhead would allow it).

Speaking of which, I've ported my full-duplex software UART code to the
Scenix SX.  On a 50 MHz SX, it can handle 115.2 Kbps using only a small
fraction of the available CPU time.  I've made the code available on
my Scenix page:

        http://www.brouhaha.com/~eric/scenix/

Cheers,
Eric