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i.MX7D clock source and power up sequence issue

Question asked by Felix Hsu on Dec 6, 2017
Latest reply on Dec 7, 2017 by igorpadykov

Hi All

 

The customer use i.MX7D platform have two issue,

 

1. the clock source will start before  VDD_SNVS_IN, this situation have any concern?

 

2. the i.MX7D with PMIC PF3000, when first time power up have twice trigger PMIC_ON_REQ and NVCC_SD1, this situation is normal or not? how to explanation this phenomenon?

 

As below is scope measurement result.

 

Thanks.

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