Did you check out Microchip Technology Application Note 555 "Software Implementation of Asynchronous Serial I/O"? >I am trying to interface a 16c84 to a pc serial port. I am sure that this >has been done multiple times before and was wondering if there is anyone >that wouldn't mind sharing some routines, or know of where I could go to >get me started quickly. > >Thanks, >Joe Hoffmann >E-Mail jhoffman@it.sait.ab.ca +------------------------------------------------------------+ | Geoffrey Creede, Sr. Staff Systems Analyst | | ENSCO, Inc. Phone: (703) 321-4631 | | 5400 Port Royal Road FAX: (703) 321-4529 | | Springfield, VA 22151-2301 Email: creede@ensco.com | +------------------------------------------------------------+