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Micro SD

Amer Abufadel5389
Intellectual 460 points

Hello all,

  Is it safe to say that the SD controller on the DM355 is compatible with Micro SD cards?

Thank you,

 

A

  • 0
    TI__Mastermind 37340 points

    Our controller supports rev 1.1 of SD spec; unfortunately I am not familiar enough with the SD specs to tell you if this includes support for micro SD, although I presume there is compatibility between micro and regular SD interfaces (there are adapters available in the market).  I do not believe we validate with microSD cards (tiny form factor), but the fact that adapters from micro to regular SD cards exist may mean the the software should work.

  • 0 in reply to Juan Gonzales
    TI__Mastermind 41665 points

    Juan is correct, it appears it should work, looking at the differences between the SD and microSD it seems the main difference from a functionality perspective is that microSD does not have to support SPI mode where as a true SD card does, this is not needed by the drivers anyway (they operate in up to 4 bit mode). It also makes logical sense, the microSD was designed to be able to be used within a physical adapter in a normal SD card slot so it would make sense that a micro SD slot could be used with a normal SD controller. Also I know of at least one dev board (gumstix Overo Earth) for one of our other products (OMAP3) which normally uses standard SD cards but has a microSD card slot implementation.

  • 0
    Intellectual 410 points

    I am using a Micro SD card on my DVEVM with an adapter (TF<->SD) , it works fine :)

  • 0 in reply to Kenzo10099
    TI__Prodigy 490 points

    Yes, SD controller of DM355 does not assume it is micro SD or regular SD card. It will support both microSD and regular SD and it has been confirmed by Kenzo also as he is using micro SD card.

    Regards

    Purushotam