About Arduin zero read-protected

Official Hardware Classic Zero
1

Hello everyone,

I am not very familiar with Arduino Zero, and while reviewing the SAM D21 datasheet, I noticed that NVM can be set to read-only (i.e., LOCK). I would like to ask if it is possible to set NVM or SRAM to be non-readable in a similar way?

Thank you.

2

Can I achieve this goal using the bootloader region?
In other words, can the bootloader region be configured to prevent other code in the NVM (Non-Volatile Memory) from freely reading this area?

3

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