Hiya, You might want to take a look at the macros that I developed and wrote about at: http://www.rentron.com/Myke7.htm I have published a couple of macros that provide bit-banging NRZ serial for the PICMicro that should fit the software bill for you. myke ----- Original Message ----- From: YeYo Man To: Sent: Tuesday, September 14, 1999 6:27 PM Subject: Serial comunication using PIC16X84 > I need to stablish a connection beetwen a PIC16X84 and the PC trought > the serial port. I would appreciate very much if someone already has a > WORKING routine for this purpose, I need to send and receive bytes. And > using the max232 would be great. > > Thanks in advanced. >