ECC Flash Error

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ECC Flash Error

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rijil_kp
Contributor III

How to generate an interrupt notification upon the report of an ECC flash error,?.

Is there any configurations available in EB Tresos for this?.

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namnguyenviet
NXP Employee
NXP Employee

Hello,

You can refer to here: https://community.nxp.com/t5/S32K/S32K-ECC-error/m-p/878734 and here: https://www.nxp.com/docs/en/application-note/AN12522.pdf Basically, the ECC will be reported when the FLS read failed while checking the checksum value.

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rijil_kp
Contributor III

When will the double bit ECC error for Flash is set?. Will it set if there is a checksum fault in flash?.

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namnguyenviet
NXP Employee
NXP Employee

Hello,

You can refer to here: https://community.nxp.com/t5/S32K/S32K-ECC-error/m-p/878734 and here: https://www.nxp.com/docs/en/application-note/AN12522.pdf Basically, the ECC will be reported when the FLS read failed while checking the checksum value.

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namnguyenviet
NXP Employee
NXP Employee

Hello @rijil_kp,

Any single-bit ECC errors are automatically corrected, and any double-bit ECC errors are reflected onto FERSTAT[DFDIF] flag at the read access from Data Flash or Program Flash. This double-bit ECC error is reported by bus fault/hard fault handler. There isn't any configuration for report the ECC flash error in EB Tresos, unfortunately.

Best Regards,

Nam