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TI Home » TI E2E Community » Support Forums » Embedded Software » WinCE » WinCE forum » eMMC 8bit?
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eMMC 8bit?

eMMC 8bit?

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DavidVescovi
Posted by DavidVescovi
on Jul 16 2010 00:21 AM
Genius4150 points

OMAP 35XX BSP 6.14

I am using an eMMC flash device on SDHC #2 connected in 8 bit mode.

Looks like high speed is supported (48MHZ) but only in 1 bit and 4 bit data modes.

Is it true 8bit is not supported?

Any plans on adding 8 bit MMC support?

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  • Himanshu Gajjar
    Posted by Himanshu Gajjar
    on Jul 21 2010 06:19 AM
    Verified Answer
    Verified by Jatin Jain
    Prodigy40 points

    Hi David,

    WinCE 6.0 SDHC mdd driver does not support 8bit mode. You have to pull mdd driver src to your BSP and need to debug and verify with SD card specification to 8 bit support.

    There are not much changes if you read the specification carefully.

    Best luck..

     

    Himanshu 

    WINCE omap3530 mmc omap3530 sd mmc omap3530 SD MMC performance
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