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Dear Andy,

Thanks for your help it worked when i disabled that signature check option.  But why the signature is not matching with one in datasheet is still a mystry.  Today i checked over 50 devices and signature read is same.

Regards,
Prahlad Purohit

Dear Andy,

I have been using flash magic for programming V51RD2, C668, C699 & LPC9xx for nearly two years.  Recently i started using P89C61X2 flash magic does establish the connection and reads the device signature as 0x15 0xC2 0x82 When i try to program it says signature doesnt match with expected value.  I have tried changing ICs several times but the same signature is read all the time.  I checked up with P89C61X2 datasheet the signature given in datasheet is 0x15 0xC2 0xF0.  The device ID 2 seems to be diffrent.  What could be wrong.  I am using no handshaking signals for programming only RX TX.

Thanks & Regards,
Prahlad Purohit