How can I confirm that S32K144 currently in the VLPS mode?

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How can I confirm that S32K144 currently in the VLPS mode?

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594件の閲覧回数
PYGC
Contributor II

PYGC_0-1673855900298.png

In VLPS mode, how to get the value of the SMC_PMSTAT register

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Senlent
NXP TechSupport
NXP TechSupport

Hi@PYGG

My mistake, you may not able to read out the value of PMSTAT Register.

Two ways:

1.check the MCU power consumption is the must right way.

2.Enable CLKOUT on the PIN, measure BUS_CLK or CORE_CLK with an oscilloscope.

 

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556件の閲覧回数
Senlent
NXP TechSupport
NXP TechSupport

Hi@PYGG

My mistake, you may not able to read out the value of PMSTAT Register.

Two ways:

1.check the MCU power consumption is the must right way.

2.Enable CLKOUT on the PIN, measure BUS_CLK or CORE_CLK with an oscilloscope.

 

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575件の閲覧回数
Senlent
NXP TechSupport
NXP TechSupport

.

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564件の閲覧回数
PYGC
Contributor II

Thanks for your reply!

Core Clock is disabled in VLPS mode, CPU does not work, how to read PMSTAT?

and RM NOTE: When debug is enabled, the PMSTAT will not update to STOP or VLPS.

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