How to detect ROM failure for S32K146

[pratheek_b]

How to detect below mentioned ROM Failures,

• ECC Flash indicates 2-bit error
• Flash checksum fault twice in a row (slow background task checking application 2 faults in row)

[lukaszadrapa]

Hi,

take a look at this application note:

https://www.nxp.com/docs/en/application-note/AN12522.pdf

Section "3.2 ECC for non-correctable errors" is the most interesting for you.

Regards,

Lukas