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Secure digital input/output MultiMediaCard interface (SDMMC) provides an interface between the AHB bus and SD memory cards, SDIO cards and eMMC devices.
ETRA SoM SOM provides up to two three SDMMC interfaces, : the second interface (SDMMC2) is internally used if the eMMC flash is populated on board of in the SoMSOM.
=== Description ===
The SDMMC interface available on ETRA SoM SOM is based on STM32MP1 SoC.
The SDMMC port supports the following standards and features: