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[OMAP-L138] How to configure MMCSD0 to support two cards connected to it at the same time

GrantHatamosa
Expert 1930 points
Other Parts Discussed in Thread: OMAP-L138

Reading through the MMCSD Controller User guide (sprufm2b) I get the impression that the MMCSD controller can support multi-cards connected to the same interface at the same time.

Is there a special hardware connection to get this working?

We have tried to connected two SD cards in parallel on the EVM board and we cannot get it to work.

P.S.: This is a general OMAP-L138 question and not related to whatever Software that we are going to use so please leave this in the OMAP-L138 forum.

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    TI__Mastermind 27585 points

    From a hardware point of view, there is no special connection required. You should just hook up the bus to each SD card as you have mentioned. Whether or not this is supported by any of the TI software would be another topic.

    Jeff