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Hi,
     try to check is data transmitted by u coming to t RXD pin using scope......If it is not then try to check dta form RS232 cable pins then RS232 pin up to micro controller pin then you will come to know where is error...........and you try to solve it

hi to all,
        I am using P89C51RD2 ic for my project, and want to program it. to download hex file in ic, I am using Flash magic. I have fallowed all steps correctly in flash magic but it still giving the error..........unable to connect at specified baud rate please change the baud rate.....i have selected baud rate as 9600.......
please help me......
Thank you in advance