S32K312 chip lock

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S32K312 chip lock

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Neo1096
Contributor I

S32K312 chip lock.

When I was using the development board of S32K312EVB-172, I downloaded the sample program of RTD1.0.0 can, and after entering the debugging mode, it ran abnormally. After exiting debug mode, the chip reset pin emits a periodic pulse, cannot be connected to the chip using jlink commander, and cannot be decrypted. Can we find out why the chip locked up? Can it be restored? Or just replace the chip?

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danielmartynek
NXP TechSupport
NXP TechSupport

Hi @Neo1096,

Can you try this solution?

https://community.nxp.com/t5/S32-SDK/failed-to-power-up-dap-after-program-s32k312-with-pll0-equal/td...

The idea is to keep the MCU in reset while the J-Link is establishing the connection.

 

Thanks,

BR, Daniel 

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