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i.MX6 SDIO IO voltage

Question asked by Kazuma Sasaki on Sep 26, 2018
Latest reply on Oct 1, 2018 by igorpadykov

Current our design only 1.8V supply to NVCC_SDx pin.

it means that we do not change IO voltage response to access speed changing.

Is it okay for SD host controller in i.MX6?

 

Because, SDIO specification v3.0 mentioned as below.

 

1.2.3 Embedded SDIO Device Features

Supply Voltage rage2.7-3.6V or 1.7-1.95V

 

 

Best Regards,

Kazuma Sasaki.

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