Currently I am using SPI mode of the MMC card. I am using block size of = 512 bytes. I would like to know more about the command, write and = response event sequence of writing a block of data of 512 bytes. Thank = you in advance. =20 Cheers, Lee =20 -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu