Author Topic: device signature  (Read 5223 times)

pratik12golu

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device signature
« on: October 09, 2010, 08:57:39 pm »
ones I write a program in my controller  (P89V51RD2FN)

but then there is error is coming after I press Reset for ISP mode

  ""Failed to read the device signature (Unable to communicat.(transmit/recive)).Accessing a device using the wrong protocol could render the device unusable. Do you want continue ?"



If i m pressing yes then it say unable to comm. tx/rx
  what should I do


Jan Waclawek

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Re: device signature
« Reply #1 on: October 11, 2010, 12:32:44 am »

pratik12golu

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Re: device signature
« Reply #2 on: October 12, 2010, 12:45:54 pm »
thanks -Jan Waclawek

I have gone through your suggestion I test all the component and solder it properly

NOW its working