S32K144 Assumption for safety

[liting_zhao]

Hi

About the assumption of S32K144, I'm confused about how to implement it.

Assumption: [SM_084] The application software must check the status registers of the RCM for error flags.

In my understanding, I shall read the reset source when power on, but if it is right, what can I do when get the reset source? reset again? or just warning to driver?

Can you give me more information about this? Thanks!

[danielmartynek]

Hi liting.zhao@hirain.com,

The RM refers to AN4503: Power Management for Kinetis and ColdFire+ MCUs

The RCM_SRS register simply indicates the source of the most recent reset.

This allows handling each reset differently.

For example, RCM_SRS[WDOG] is can be used for identifying WDOG reset during WDOG testing:

Example S32K116 WDOG Fast Test    

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BR, Daniel