EP560 SD/SDIO/MMC Slave Controller

Features

• Compatible with SD/SDIO specification 2.0 with 1 and 4 bit data transfer.
• Option to support MMC 8-bit data width.
• Support SD, SPI and optional MMC bus protocol.
• Support for both standard capacity and high capacity (SDHC) memory cards.
• Supports high speed mode up to maximum transfer rate of 25Mbyte/sec for SD and 50Mbyte/sec for MMC.
• 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 SD cards, suspend and resume, read wait, block transfers, and SDIO interrupts.
• Password Protection for SD cards.
• Options for AHB, APB, Wishbone, SH4, Avalon and Generic user interface.
• Options for interrupt-based user interface.

Diagram