Difference between hardware SDIO and SPI for SD interface?

Posted on July 17, 2008 at 19:18

This topic has been closed for replies.

Associate III

Posted on May 17, 2011 at 12:39

Hi Kuni,

For SDIO, STM32 High density is fully compatible with SDIO V2.0 and V1.1 and also supports SDHC with larger capacity > 4GBytes and more.

Regards,

STOne-32.

Associate III

Posted on May 17, 2011 at 12:39

STM32 with 256K flash or above gets hardware SDIO , while 128K or below

using SPI to do SD access!

major difference between these 2 access?

maximum SD capacity access different?

possible compatible issue?

support future SD card with larger capacity?

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