hi vikas,
i suppose you use CW10.6.
under CW10.6 install {CW10.6 install}\MCU\Help\PDF, there is ProcessorExpertHelp.pdf which documents how to using pe
and there is also pe sample code under {CW10.6 install}\MCU\CodeWarrior_Examples\Processor_Expert
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Best Regards,
ZhangJun