dear sir, i need a code in c that how to transfer data serially on any port using aduc842.
Time to write such code, or hire a consultant. Or maybe spend time with the available documentation and learn how to code your self or see if any application note can be of use?
Some helpful links: http://www.keil.com/dd/chip/3552.htm http://www.keil.com/support/man/docs/isd51/ http://www.keil.com/support/man/docs/mon51/