Hi Ramakrishnareddykunta,
Please look at Table A-39. NVM Reliability Characteristics in RM.
http://www.nxp.com/files/32bit/doc/ref_manual/MC9S12GRMV1.pdf
EEPROM number of program/erase cycles (-40°C ≤ Tj ≤ 150°C) nFLPE min. 100k; typ. 500k Cycles
EEPROM number of program/erase cycles (150°C ≤ Tj ≤ 160°C) nFLPE min. 10k; typ. 500k Cycles
NOTE: Spec table quotes typical endurance evaluated at 25°C for this product family. For additional information on how Freescale defines Typical Endurance, please refer to Engineering Bulletin EB619.
http://www.nxp.com/files/microcontrollers/doc/eng_bulletin/EB618.pdf
http://www.nxp.com/files/microcontrollers/doc/eng_bulletin/EB619.pdf
I hope it helps you.
Have a great day,
Radek
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