Security Protection on NXP Cortex M4

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Security Protection on NXP Cortex M4

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Contributor II

Hi,

I'm working on a project that uses a Cortex M4 microcontroller (MK64FN1M0VLL12) and I would like to learn more on how to protect the device from unlawful access. Mainly I want to protect my code from being accessed and copied? Is that possible? I know there is flash protection and  FPROT but it look like it is more to protect the device from accidentally overwriting or erasing? Am I correct? So is there any other way to protect the flash from being read or accessed? Any help or suggestions is greatly appreciated.

Thanks,

Jakub

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2 Replies

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NXP TechSupport
NXP TechSupport

Hi

There is an application note AN4507 about Kinetis Security and Flash protection features.


Wish it helps.

Have a great day,
Ma Hui
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Specialist V

Hi

In the FTFL_FSEC field you can disable EzPort and JTag, either by securing the device (requiring a mass erase to recover them) or even to never allow access again.

This is the setting that you need.

Regards

Mark

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