Jason R. Williamson wrote: > I am using a PIC16C74A and the built-in UART feature. I am trying > to interface to a PC Serial Port (standard RS232). > .... > Do I need a RS232 level-converting chip? Yes. > What kinds are out there and what kind do you recommend? Maxim MAX232 or MAX233. -Andy === Andrew Warren - fastfwd@ix.netcom.com === Fast Forward Engineering - Vista, California === http://www.geocities.com/SiliconValley/2499