When i.MX6DQ judges as POR_B is released?

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When i.MX6DQ judges as POR_B is released?

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satoshishimoda
Senior Contributor I

Hi community,

Our customer have a simple question.

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[Question]
Would you let me know the condition when i.MX6DQ judges as POR_B is released?
When POR_B input voltage reaches to VIH (VDD_SNVS_IN * 0.7)?
Or when it exceeds VIL (VDD_SNVS_IN * 0.3)?

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Actually, POR_B slew rate on their custom board is very low (slope is gentle) to expand POR_B assertion time for ERR007926 workaround.
However, if i.MX6Q judges as POR_B is released when POR_B voltage exceeds VIL, their workaround is not enough.

In fact, they have to start mass production soon, so they want to clear it ASAP.
I would appreciate it if you could give us reply rapidly.

Best Regards,
Satoshi Shimoda

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igorpadykov
NXP Employee
NXP Employee

Hi Satoshi

POR_B is released when POR_B input voltage exceeds VIH (VDD_SNVS_IN * 0.7).

Best regards
igor
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igorpadykov
NXP Employee
NXP Employee

Hi Satoshi

POR_B is released when POR_B input voltage exceeds VIH (VDD_SNVS_IN * 0.7).

Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

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