Hi All,
I am looking for something similar also!
Due to size constraint and only needing a couple of
ports, I want to use one of the 8 pin PIC chips... but
I need to communicate with another device with
RS232

So any examples out there before I reinvent the
wheel?!!

Regards
Peter Mcalpine
petermca@ozemail.com.au - www.ozemail.com.au/~petermca
www.wrx.org.au

----- Original Message -----
From: "Luis" <lopesl@ELECENG.PENTECH.AC.ZA>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Tuesday, 22 February 2000 9:07
Subject: RS232 routine for parallel port


> Hi,
>
> I have used the 8051 before and I am trying to decide which PIC device
> to use in a project. I know that I will need a serial port and I prefer
> a PIC that uses EEPROM program memory (too lazy to use UV erasable
> chips). The relatively new 16F877 seems ideal, but the old programmer
> that I got doesn't support it. Someone told me that I could use one of
> the older chips (perhaps the 16C84) and use a "widely available" routine
> that would convert two pins of a parallel port for RS232 comms. I
> searched the microchip web site but couldn't find anything.
>
> Can anyone please confirm this information. If it is possible to use 2
> pins of a parallel port for RS232 where can I find the routine? And is
> it easy to use? Thanks a lot.
>
> Luis.