>
>A question: 5 different devices use RS 232 as a communication protocol
>to/from a controller (or PC). I need to combine those lines to ONE RS 232
>line.
>
>One way to do it is to use 3 PIC's with dual ports (or 6 single port PIC's)
>or makbe "bit-bang" data, make up a que, and let one port become the
>"compressed" data stream further down the line.

I've done this in the AVR, with Max 3100 uarts for the ports.
Workable, but somewhat complicated.
It may end up commercially available in the near future.
--
Dave's Engineering Page: http://www.dvanhorn.org
Where's dave? http://www.findu.com/cgi-bin/find.cgi?kc6ete-9

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