> Thanks Bob, where would I find details of the MMC communications protocol? http://www.sandisk.com/download/Product%20Manuals/MMCProdMn_5.1.pdf Cheers, Ishaan -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads