[Alcor Micro, Corp]

Description
AU6331 is an USB2.0 transmission controller, which is designed as an interface bridge between USB host and SD/MS compatible flash card, such as SD, HS-SD, MMC, HS-MMC, RS-MMC, MMCmicro, MS, MS Pro and MS Duo…etc. AU6331 can read digital contents stored on memory card designed to cover a wide area of applications such as digital cameras, PDAs, MP3 players and smart phones…etc. With the AU6331, users can transfer digital data between flash memory card and PC or other electronic devices.
AU6331 inherits the distinguishing characteristic from Alcor’s products, be integrated MOS switch for power supply to flash card, dynamic icon utility support, extreme low BOM cost, etc.

FEATUREs
• Support USB V2.0 specification and USB Device Class Definition for Mass Storage, Bulk-Transport V1.0
• Support SD/MMC/MS compatible flash card
• Work with default driver from Windows ME/2000/XP 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 (Dual LUN)
• Support Dynamic Icon Utility
• Support LED for bus operating indication
• Power switch integrated to reduce production BOM cost
• 48pin-LQFP for SD/MS card reader
• 28pin-SSOP for SD card reader
• Built in 3.3V to 2.5V regulator