s32k144 FlexNVM and ECC Question

[kmh48301]

Hi

I'm using s32k144 FlexNVM.

And I need to know Physical characteristic of FlexNVM more.

1. Is FlexNVM NAND flash? (I think P-Flash is NOR Flash because of XIP)

2. What if Power off happened during Erase Sector Command in FlexNVM?

(After this happening, The sector has no change?)

3. As I know, FlexNVM has ECC. Is this application is on FlexNVM flash hardware?

How does it work? Please explain to me briefly

Thanks

Best regards

Phillip

[kmh48301]

Hi Daniel.

Thank you for reply.

1. Could you please let me know the NOR Flash module name?

Best regards,

Phillip

[danielmartynek]

Hi,

All the embedded flash is NOR.

BR, Daniel

[danielmartynek · Accepted solution]

Hi Philip.

1. It is a NOR flash.

2. Interruption of an erase or program command can lead to corruption of the flash content.

AN12130 Production Flash Programming Best Practices for S32K1xx MCUs

Chapter 5 Common problems

https://www.nxp.com/docs/en/application-note/AN12130.pdf

3. Yes, it is implemented in FlexNVM HW.

For every 64 bits of data there are 8 parity bits.

AN12522 S32K1xx ECC Error Handling

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

Best regards,

Daniel