On Mon, 5 Aug 2002, Sivaram M Cheekiralla wrote: > I am using a 11.0592 MHz crystal oscillator. I see you've been playing with 8051s! 8-) > 1. DO I need to use a MAX232 driver or can I directly connect to the > serial port(DB 9) pins(TX and RX). With the hardware UART you will need to use a MAX232 or similar level converter. There are lots of different approaches documented at http://www.piclist.com/. > 2. I have a windows PC. How can I read the serial port ? I mean if I send > the data from the PIC, how can I know what data I am receiving etc. > Are there any programs or s/w ? Hyperterminal if you must, but it really, truly does suck. Procomm is better... well, almost ANYTHING is better. Be sure to turn hardware handshaking off in the configuration of whatever program you use, unless you plan to use hardware handshaking. Dale -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads