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EEPROM not suitable storing executable code?

Question asked by Mathias Edman on Apr 30, 2019
Latest reply on May 8, 2019 by Mathias Edman

Hi,

 

When looking at the flash memory map for MPC5777C I can see that there are example usage for them (see bold below).

 

For example:

0x00000000 0x0000FFFF 64 0 0 Low EEPROM data

 

I can also see this NOTE (MPC5777CRM Rev. 8.1, 09/2018, 25.6.9 ECC on data flash accesses):

* EEPROM should be avoided for storage of executable code

 

Could anyone explain why this is?

I was planning on putting a small bootloader in first location starting at address 0x0 but now I'm not too sure anymore.

 

Regards,

Mathias

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