NXP DesignsのトピックRe: Mass erase

Mass erase

814420552 — Wed, 05 Aug 2020 09:31:11 GMT

hello,

<1> is the following protected in the red box write protection?

<2> if partition has CSE key sapce but no save any CSE key, then enable security, debugger also can not remove security??

Re: Mass erase

Fabian_R — Wed, 05 Aug 2020 16:27:28 GMT

Hello Kui Wu,

If you could provide the name of the NXP product you are using and which document did you extract this information, I will gladly help you with your question.
Have a great day,
Fabian

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Re: Mass erase

814420552 — Thu, 06 Aug 2020 03:02:03 GMT

My device is S32k146UAVLQ and extract this informatio form S32K11X-14X.pdf chapter 5.2.1.1

thank you!

Re: Mass erase

danielmartynek — Fri, 07 Aug 2020 09:05:31 GMT

Hello Kui Wu,

1. This refers to the Flash protection, please see below the description of Program Flash Protection Registers.

2. Yes, in this case, it is not possible to mass erase the MCU.

AN12130 Production Flash Programming Best Practices for S32K1xx MCUs

Regards,

Daniel

Re: Mass erase

814420552 — Fri, 07 Aug 2020 10:13:15 GMT

Dear Daniel,

thanks for your answer in time! I have marked this answer is right!