Need Help on SDCard interfacing!

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Hi all!

I need help about SD Card interfacing with SPI mode using Motorola HC12X controller. I could not find the complete SD card specification and also I need details about the SD Card internal file structure....

Kindly help me!

Varun
 

For interfacing SD card, you could read any microcontroller's spec that comes with SPI interface. A simplfied spec is enclosed. You might need to pay for the complete SD spec.
 

Here is the latest one
 

Physical layer details are here
 

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