S32K116 executed a undefined command,what's the status of MCU 116

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S32K116 executed a undefined command,what's the status of MCU 116

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Contributor I

Hello 

    I wante to ask a question:when MCU s32k116 executed a undefined command(0xFFFFFFFF),then what action will take by MCU 116? 

   MCU 116 will enter to NMI interrrupt or hardfault interrupt? which one interrupt will enter?

  If I didn't use NMI interrupt and hardfault interrupt in application, these two interrupt will use default handle code "DefaultISR"? That is an endless loop,MCU will wait to reset, is it?

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NXP TechSupport
NXP TechSupport

Hello,

The core will detect a hard fault exception.

In the S32DS IDE startup configuration, all the unimplemented interrupts are handled by the DefaultISR which is just a infinite loop.

So yes, if for any reason the HardFault handler is not implemented, it will end up in the default handler waiting for a reset.

 

BR, Daniel

 

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NXP TechSupport
NXP TechSupport

Hello,

The core will detect a hard fault exception.

In the S32DS IDE startup configuration, all the unimplemented interrupts are handled by the DefaultISR which is just a infinite loop.

So yes, if for any reason the HardFault handler is not implemented, it will end up in the default handler waiting for a reset.

 

BR, Daniel

 

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