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 ...

The SDIO 3.0 Device Controller supports a peak bandwidth of 832 Mbps (UHS-I) which is four times higher than the previous generation of SDIO v2.0. The rapid rise in popularity of smartphones, PDAs and ...