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ORCA SOM/ORCA Hardware/Peripherals/SDIO

2,457 bytes added, 07:37, 4 February 2021
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==Peripheral SDIOs ==

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 ===

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===

The Pin mapping is described in the [[ORCA SOM/ORCA Hardware/Pinout_Table | Pinout table section]]

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[[Category:ORCA]]
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