MISR calculator for all SPC56xxx and SPC57xxx

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MISR calculator for all SPC56xxx and SPC57xxx

823件の閲覧回数
riccardo_ertolu
Contributor II

Hello everybody, 

is it possible to get the source code of the official MISR generator? I would like to implement an embedded application for Linus to check it.

Is there a different MISR generator for each SSD packet?

I have no ideas about how it is calculated, maybe it is too complex and I will have to find other ideas, so any additional info could be useful.

Thanks

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petervlna
NXP TechSupport
NXP TechSupport

Hello,

There is MISR generator for each version of flash. for example C55, C90, etc...

To get source code could be an issue. I will try to get in contact with author, but I am not sure if he is still in company and if he is willing to share it.

 


@riccardo_ertolu wrote:

I have no ideas about how it is calculated, maybe it is too complex and I will have to find other ideas, so any additional info could be useful.


You can refer to reference manual for example:

 
 

Screenshot_3.jpg

 

best regards,

Peter

806件の閲覧回数
riccardo_ertolu
Contributor II

Hi Peter,

thanks for the info. I saw the documentation and there are a lot of variables to manage, I think I will leave the management of this complexity to the users from your software tool.

Anyway, looking at MPC56 SSD documentation I found the parameter misrNum which is not clear to me. When should it be 2 and why? Isn't the MISR structure for MPC56 always composed by 5-words?

riccardo_ertolu_0-1609070256289.png

Thanks

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