SD/SDIO 3.0 Card Controller

Features

• Compatible with SD/SDIO specification 3.0 with 1 and 4 bit data transfer.
• Option to support MMC 4.2 with 8-bit data width.
• Support SD, SPI and optional MMC bus protocol.
• Support standard capacity, high capacity (SDHC) and extended capacity (SDXC) memory cards.
• Support high speed and Ultra High Speed-I (UHS-I) modes including SDR25, SDR50, SDR104 and DDR50 bus speed.
• Up to maximum transfer rate of 104 Mbyte/sec.
• Simple 32-bit bus master interface to DMA data into user memory space.
• Selectable maximum block size from 512 to 16Kbytes.
• Each IO function includes up to 4096 bytes of data buffer.
• Process most commands automatically without user interference.
• Contains SD memory/SDIO standard slave register set.
• Hardware CRC generation and detection.
• Supports multi-function SDIO and SD Combo cards.
• Process SD 3.0 commands including speed class, tuning, voltage and block size control.
• Full CPRM security implementation.
• Password protection for SD cards.
• Options for AHB, APB, Wishbone, SH4, Avalon and Generic user interface.
• Options for interrupt-based user interface.