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Code Lock Protection for Tiva Controller TM4C1231H6PZI

Aditya Rane57
Prodigy 215 points
Other Parts Discussed in Thread: UNIFLASH

Hi Support,

I can see from the datasheet of TM4C1231H6PZI that on Page499, its mentioned that we need to reset the FMPPEn (Flash Memory Protection Program Enable) & FMPREn (Flash Memory Protection Read Enable) registers to lock the code.


Will locking be possible by using the Uniflash Command line?

BR,
Aditya

  • 0
    TI__Guru**** 244400 points

    Hello Aditya,

    The FMPPEn and FMPREn when written and not committed will be reset if a POR is done. If it is committed then a POR cannot recover it. That is what the statement says,

    The same cannot be done in Uniflash as it gives access to the User Registers only.

    Regards

    Amit