FR Flash security

Version: **

 

Answer:

Flash security function with a part of existing devices is to prevent wrong program read after mounting on PCB. By programming security code into specified address of FLASH memory, the data of internal FLASH memory is not possible to read.

 

Security function of FLASH memory?

 

This function is to prevent to read the contents of FLASH memory in MCU.

 

Target device: MB91F362GA, MB91F369GA, MB91F155A

 

By using this function

 

Possible to prevent to flow data out with serial programmer

 

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