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Regarding SDIO as I/O device

Question asked by ashutosh nahar on Feb 16, 2017
Latest reply on Feb 21, 2017 by Artur Petukhov

Hi

 

I am using SMARC card based on iMX6 solo platform.

The pin outs from  the SMARC based card has CD and WP(as GPIO pins from iMX6) along with CLK ,CMD and 4 Data lines.

So what will be the state of CD and WP if i am not using these line for my application.

If i am using SDIO as an I/O device is there any recommendation for data lines , cmd lines and clk .

because as per SDIO spec Data3 line need pull up.

I have attached the pins from SMARC card for your reference.

Kindly please confirm.

 

Regards

Ashutosh

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