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How read CID (unique ID) from SD/MMC card?

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Posted

Hi, I have question about technique to get special information of a SD/MMC Card. The information I need is the cards unique ID called the CID, no serial. Is't possible reading CID from SD/MMC?

Thanks

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Posted

@Logman

This explains it all Reading CID register

You will have to raw read the sectiors of the memory card in order to get the data you need.

regards

ptrex

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Posted

Thank you. I will try it.

Sincerely!

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Posted

Did anyone solved this problem? I can't figure out how to get the CID, even I don't know where to start...

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