Alcor Micro AU6475 Manual de referência técnica - Página 7

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1. Introduction

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The AU6475 is a single chip integrated USB 2.0 multimedia card reader controller that
enables PC/DVD/Printer to read/write various type of flash media cards. Flash media
cards such as CF, SMC, XD, SD, MMC, Memory Stick are widely used in digital
camera, cell phone, PDA and MP3 player to store digital photos and compressed
music.
Performance of AU6475 is maximized by implementing the latest and fastest card
specification available form the industry.
Especially, AU6475 is designed with the high performance characteristic in flash card
I/O speed. Users can easy and fast transfer the digital content among the different
flash card.
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Support USB V2.0 specification and USB Device Class Definition for Mass
Storage, Bulk-Transport V1.0
Support CF/MD/SD/MMC/MS/MS_Pro/MS_Duo/xD/SMC compatible flash
card
Support SD1.1/SD2.0
Support MMC4.1. MMC4.2. with 4-bit data bus.
Support CF4.1 with True IDE mode 6.
Compliant to xD 1.2 spec.
Support MS 1.43, MSPRO 1.02, MSPRO-HG 1.01 with 4-bit data bus.
Hardware DMA engine integrated for performance enhancement.
Work with default driver from Windows ME/2000/XP/Vista and Mac OS X;
Windows 98/2000(SP1/SP2) and Mac OS 9 are supported by vendor driver
from Alcor.
Ping-pong FIFO implementation for concurrent bus operation
Support multiple sectors transfer optimize performance
Support slot-to-slot read/write operation
Support Dynamic Icon Utility
Support LED for bus operating indication
Power switch integrated to reduce production BOM cost
30MHz 8051 CPU
5 3.3 and 3.3 1.8V regulators built in
Runs at 12MHz crystal
Available in 80-pin LQFP package
AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W
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