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Re: [OCLUG-Tech] SD card

The big difference between MMC and SD is that the latter has DRM support.
It sounds as if that Wikipedia article could use some improvements. Who is up to it?
Thanks -- Rick

On 21/01/2012 11:19 AM, Bart Trojanowski wrote:
Flash needs bad-block remapping, block refresh, and write levelling. In the case of a USB attached flash storage these functions clearly get done in the USB device... in some sort of "processor" or ASIC.

I always thought that MMC/SD devices worked the same.

Are you saying that a SD card does this in the controller or driver, and there is no logic done on the card?


On Fri, Jan 20, 2012 at 22:21, Singer X.J. Wang <wang [ at ] singerwang [ dot ] com <mailto:wang [ at ] singerwang [ dot ] com>> wrote:

    There is no on card processor on the SD cards..