mra> hello .  anyone can help me in mmc or sd cards (memory cards) for mobile.
mra> how can i read their memory or write to it or clear(format) it??

The SD/MMC specifications are open to everybody who is willing to pay
a license fee. You can get more information on

http://www.mmca.org/tech/tech.html
http://www.sdcard.org/ABOUT.HTM

and

http://www.papyrus.co.il/Products/sd_and_mmc_cards.htm

I don't know what you really want to do. But if you are only looking
for a flash medium to use in own projects, you might want to consider
using the established CompactFlash card instead. The interface of the
CompactFlash card is compatible to the standard ATA interface of PC
harddisks and hence specifications and applications are freely available.



-- 
Author: Uwe Zimmermann
  INET: [EMAIL PROTECTED]

Fat City Hosting, San Diego, California -- http://www.fatcity.com
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