EP550 SD/SDIO 2.0 MMC Host Controller

See EP553 for SD 3.0/eMMC 4.5 Host Controller

Features

• Host controller for SDIO, SD memory card, and MMC interface.
• Allows host CPU to access SD and MMC devices.
• Simple user interface optimized for on-chip bus connection.
• User interface supports 32-bit and 64-bit data.
• Options for AHB, APB, PLB, Wishbone, SH4, Avalon and Generic user interface.
• Supports SDIO DMA operation for high speed data transfer.
• Implement SD host controller standard register set for support of standard SDIO development tool.
• Supports SDIOworx™ embedded SDIP stack/bus driver
• Fully programmable access timing.
• Hardware support of CRC error detection and interrupt generation
• Supports multi-function SD cards, command suspend, resume, and block transfers.
• Option to operate the user interface and card interface at different clock domains.
• Direct mapping of host address space to card address space.
• Designed for ASIC and FPGA implementations.
• Fully static design with edge triggered flip-flops.

Diagram