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Accessing eMMC on SabreSDB

Question asked by Adrian Thewlis on Aug 16, 2015
Latest reply on Aug 16, 2015 by igorpadykov

I am trying to access the eMMC on the SabreSDB board, using a low-level embedded OS.

 

I can successfully detect and access both the SDCard slots (SD2 and SD3), but the same process doesn't seem to work for the eMMC... this is the first time I have worked with eMMC, so I suspect I am doing something wrong.

 

According to the schematic, eMMC is on SD4, and two shorts SH8 and SH11 need to be shorted (I have done this)... I am wondering if that is all, or whether there are other shorts that may need to be connected or disconnected. Other than the schematic, I haven't seen any other doc. regarding the required shorts for various functions of the board.

 

Any suggestions or past experiences would be greatly appreciated!

 

Adrian

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