>A PIC12C508 or 16C505 would porobably cheaper than any off-the-shelf
>UART
Neither has a UART, so won't help much directly (I've done the async
serial bit-bang before, and don't care to do it again :-). However, one
of these in combination with the MAX3100 might make a nice little serial
port solution, and I only have to bit-bang the SPI side of the 3100.
Hmmm...

Dave Johnson