> -----Original Message----- > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Alan B. Pearce > Sent: Thursday, April 15, 2004 10:02 AM > > >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? 6850 was the UART, 6823 was the PIA (MC146823 to be exact). I don't think anyone still makes it. Paul -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu