>the 82C55A was commonly used for this. Not sure if it is still
>made, but I imagine there are similar upgraded devices today...

It is still made, mainly by Asian sources, although Intersil also seem to
source it for the 80C86 line that they do.

another possibility along the same lines would be the Motorola PIA, but the
part number escapes me, 6850? or was that the UART?

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu