His solution? The Raspberry Pi series of chips has a special function on a bunch of the GPIO pins that make it easier to talk to SDIO devices. SDIO is an extension of the SPI-like protocol that ...

The SDIO 3.0 Device Controller is fully compliant with the SD Specification Part E1 SDIO 3.0. The SDIO 3.0 Device IP is used to implement high-performance SDIO cards that connect to a Host processor ...

3.0 Device Controller IP compliant with the latest SDIO Specification v3.0. The higher bandwidth supported by SDIO v3.0 enables faster data transfers resulting in a crisper user experience in mobile ...