3.4.6 Secure Digital Multimedia Cards (SDMMC)

The SD (Secure Digital) cards are a non-volatile memory card format used as a mass storage memory in mobile devices.

The board has one Secure Digital Multimedia Card (SDMMC) interface that supports the MultiMedia Card (e.MMC) Specification V5.1, the SD Memory Card Specification V3.0, and the SDIO V3.0 specification. They are compliant with the SD Host Controller Standard V3.0 Specification.