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You are here: Home / Replies / I used 9pin serial

I used 9pin serial

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Microcontroller › 8051 › reset the device into isp mode p89v51rd2 › I used 9pin serial

May 13, 2013 at 11:05 am #9737
Srinivasan
Participant

I used 9pin serial port.

After resetting the device in to ISP mode i am getting unable to connect (Transfer/Receive).

Any one can help me in solving the issue.

In 9 pin serial port i connected only Tx, Rx & Gnd.

Whether i need to connect any other pin..

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