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signal for controlling the power supply (SD_VDD) to the SD slot

Question asked by ko-hey on Sep 6, 2017
Latest reply on Sep 6, 2017 by Yuri Muhin

Hi all

 

It is a question for the reference design.
Schematic file name: SPF-28616_C2.pdf
Target page: page 12

 

As a result of checking the circuit, the signal for controlling the power supply (SD_VDD) to the SD slot was added to SD1_nRST and POR_B.


Could you tell us why you need POR_B for SD power control ?

 

 

Ko-hey

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