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K64 SDHC interface with emmc device

Question asked by joe hinkle on Dec 13, 2018
Latest reply on Dec 28, 2018 by Hui_Ma

The K64's SDHC states that it is compliant with MMC System Specification 4.2/4.3

 

I am looking into interfacing the K64's SDHC with a emmc device meeting specification 5.1.

 

I would like to use the 8 bit data interface.

 

I have not been able to find any information as to interfacing a 5.1 device with a 4.3 version controller.

 

Can this be done? 

 

What are the pro/cons associated with an "old" SDHC controller mating with the latest emmc devices.

 

Thanks in advance for any replies.

 

Joe

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