Copyright © by Eureka Technology Inc.

4962 El Camino Real,

Los Altos, CA 94022, USA

Tel: 1 650 960 3800

Fax: 1 650 960 3805

http://www.eurekatech.com

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Eureka Technology

• 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.

• Supports multi-function SD cards, suspend and resume, read wait, block trans-

fers, and SDIO interrupts.

• Password Protection for SD cards.

• Options for AHB, APB, Wishbone, SH4 and Generic user interface.

• Options for interrupt-based user interface.

FEATURES

Product Summary

EP560 SD/SDIO/MMC Slave Controller

command/

Data

Shifter

response

Command

State

Machine

Data

State Machine

Data

Buffer

Registers

CMD (SD connector)

DT (SD connector

shifter

Card Status

State Machine

User

Interface

EP560

CRC

Generation

(one per

function)

BLOCK DIAGRAM