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Maximum number of write cycle to MSP430f6779 Flash

ABHISHEK PARIKH
Expert 1635 points
Other Parts Discussed in Thread: MSP430F6779

Hello,

I am working with MSP430f6779. I want to store and retrive my KWH and KVAH data when MSP goes Off and On.

So I am writing it into flash at every minute.

May I know maximum number of time that my MSP flash can be written? Or there is another way to do so?

Or I may use external EEPROM.

Thanks

Regards

Abhishek

  • 0
    Guru 11940 points

    May I know maximum number of time that my MSP flash can be written?

    In the datasheet. These are average ("MTBF") numbers, heavily depending on operating temperature. The difference over the specified temperature range usually spans several orders of magnitude.

    So I am writing it into flash at every minute.

    Using the worst-case number of cycles, and your update period, you will probably realize this is not a good idea.

    Or I may use external EEPROM.

    Usually has a higher number of erase/write cycles than Flash and byte-access, but you need to compare it to your requirements.

    Consider FRAM with a practically unlimited number of write cycles. And, you eliminate the potential issue with power-off during Flash erase/write.

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