Difference between revisions of "ORCA SOM/ORCA Hardware/Peripherals/SDIO"
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Revision as of 07:37, 4 February 2021
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Peripheral SDIOs[edit | edit source]
The Ultra Secured Digital Host Controller (uSDHC) provides the interface between the host system and the SD/SDIO/MMC cards or devices.
ORCA SOM provides up to two SDIO interface available for an external memory device connection. The third interface is used for the on board eMMC flash.
Description[edit | edit source]
The SDIOs interface available on ORCA is based on iMX8MPlus SoC.
The SDIOs port supports the following standards and features:
- Conforms to the SD Host Controller Standard Specification version 2.0/3.0
- Compatible with the MMC System Specification version 4.2/4.3/4.4/4.41/5.0/5.1
- Compatible with the SD Memory Card Specification version 3.0 and supports the Extended Capacity SD Memory Card
- Compatible with the SDIO Card Specification version 2.0/3.0
- Supports 1-bit/4-bit SD and SDIO modes, and 1-bit/4-bit/8-bit MMC modes
- Card bus clock frequency up to 208 MHz
Pin mapping[edit | edit source]
The Pin mapping is described in the Pinout table section
