How can I write protect sectors of internal flash (LPC1769)?

[stenlarsson]

I want to protect one or a few 4K internal flash sectors from being erased by the application (on purpose or by mistake). 

Is this possible?

[kerryzhou]

Hi Sten Larsson,

   Unfortunately, the LPC1769 hardware still can't support the flash protection function now.

Have a great day,
Kerry

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[converse]

You cannot protect individual sectors