hello everyone....my program transmits 'SAMPLE CODE' continuously on the uart...chip 'm using is p89v51rd2..the problem is nothing is being displayed on the hyperterminal...i checked the TXD pin on the scope,i can c pulses there...i've checked the serial cable,shorted pins 2 n 3,even that works fine....watelse could be the problem..??help me out...
But do you understand why you needed to do that?
Or, to put it the other way, why you were previously getting half the baud rate you wanted?
Again, you should probably review the basics of the 8051/2 UART:
www.8052.com/tutser.phtml
http://www.8052.com/tut8052
If you don't understand these basics, then you will keep getting stuck in the same trap!