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POR_B and 24MHz timing provision .

Question asked by Takashi Takahashi on Nov 30, 2015
Latest reply on Dec 1, 2015 by igorpadykov

Hi community .

Our customer has below question.

 

The described POR_B and 24MHz to P.95 of "IMX6DQ6SDLHDG rev.1".

"During initial power on while asserting the POR_B reset signal, ensure that 24 MHz clock is active before releasing POR_B."

 

There are before the cancellation of the POR_B ensures 24 MHz clock is active .

RTC clock (32.768 kHz) have to POR_B unlock provided  spec ?

 

Or, if the timing provisions of 24MHz and POR_B release are protected, do not be a problem even for the RTC.

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