S32K312 read lifecycle from UTEST?

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S32K312 read lifecycle from UTEST?

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victory
Contributor V

Hi NXP,

   i want to use jlink to get chip lifecycle status. it's better not to download a proxy program and call hse api to read the value. 

   is it possible to get lifecycle value from utest area, then jlink can read the value directly? thanks.

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davidtosenovjan
NXP TechSupport
NXP TechSupport

I am not completely sure, but RM defined LC slots in UTEST memory which you would definitely have to use in case HSE firmware is not installed.

davidtosenovjan_0-1729876077656.png

But when HSE is installed, documentation says that

"The users can check LC by HSE “get attribute” (HSE_SECURE_LIFECYCLE_ATTR_ID) service."

what is not mutually exclusive to previous approach, in my opinion.

 

 

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