AU6466 - USB 2.0 Single LUN Multiple Flash Card Reader Controller

The AU6466 is designed to deliver outstanding performance for data transmission between USB and compatible flash card interface. It supports USB 2.0 high-speed transferring to various types of flash media cards such as CF, Micro Drive, SD, MMC, xD and MS. Besides, the AU6466 supports several operating systems, including MS Windows, LINUX and Mac OS.

Main Features:

General

• Fully compatible with USB 2.0 High Speed and backward compatible with USB 1.1 specifications.
• Supports multiple flash card interfaces, including SD, MMC, CF, Micro Drive, xD, SMC, MS.
• Supports single LUN.
• Supports both Windows and Mac OS.
• Default Mass Storage Class driver comes from Windows ME / 2000 / XP / Vista and
  Mac OS X.
• Windows 98 is supported by vendor driver from Alcor.
• Available in 28-Pin QFN Lead-free / Halogen-free / RoHS compliant package.

Compliance

• Complies with USB Device Class Definition for Mass Storage and Bulk-Transport V1.0
• Complies with Secure Digital Card (SD) specification up to Version 2.0 (SDHC)
• Complies with CompactFlash (CF) specification up to Version 4.1 with True IDE PIO mode
• Complies with MultiMedia Card (MMC) specification up to Version 4.2
• Complies with Memory Stick (MS) specification up to Version 1.43
• Complies with Memory Stick PRO (MS_Pro) specification up to Version 1.03
• Complies with Memory Stick PRO-HG (MS PRO-HG) specification up to Version 1.01
• Complies with xD-Picture Card (xD) specification up to Version 1.2

Benefit

• Integrated hardware DMA engine enhances overall performance of data transfers.
• User-friendly Dynamic Icon Utility software can display icon message upon insertion / removal of compatible flash cards under Windows.
• LED light indicate bus operating status.
• Optimizes performance via multiple sectors transfer.
• Built-in 5V to 3.3V / 1.8V regulator offers customers lower BOM cost.
• Supports external EEPROM for VID, PID and string customization.
• Clock runs at 12MHz clock.

Application Diagram: