Re: Questions re embedding MMC/SD (and digital cameras)

Hi,

SD can be operated in MMC mode which is fully compatible in spite of 
initialization which differs slightly in one command.
I do not remember the details, if needed i must check the sources.



[EMAIL PROTECTED] (Lewin A.R.W. Edwards) wrote in 
news:[EMAIL PROTECTED]:

> Hi all,
> 
> Quick question: I am only briefly familiar with MMC and SD, but my
> understanding is that SD is a superset of MMC, and it is possible to
> use SD cards as unprotected MMC devices without needing to acquire the
> full SD spec. Is this true? So, can I use an SD card connector, only
> use the MMC pins of it, and successfully read/write unencrypted
> content on the device?
> 
> Related question: Do digital cameras, in general, use the SD
> protection features, or can I read camera-formatted cards using the
> MMC-only interface above?