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2335700_en-US

S32K142 chip is secure and unable to mass erase

Hello @danielmartynek, & @lukaszadrapa   

I am using S32K142 controller for our hardware. We have secured it with FSEC register with MEEN bit enabled. however, unable to perform mass erase with S32k.cmm mentioned in Solved: In s32k118 Cant write FSEC bit Setting using T32 - NXP Community script using lauterbach. when tried system.up command "bus error generated by CPU" is thrown.

When MDM-AP register is read using lauterbach debugger. The value is 0x7F. Can you help me how to perform mass erase?
FYI, debug interface is SWD

Thanks in advance




Re: S32K142 chip is secure and unable to mass erase

Hello @firmsol,

I have posted a new script here:
https://community.nxp.com/t5/S32K-Knowledge-Base/Lauterbach-Script-For-MDM-AP-Mass-erase-S32K142/ta-...

Could you run or step through it on your side?


Regards,

Daniel

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Last update:
‎03-20-2026 04:26 AM
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