[Alcor Micro Corp.]

Description
The AU6391 is a single chip controller designed for bridgingg USB 2.0 to ATA/ATAPI bus interface. It is used as the primary controller of building an external USB 2.0 hard disk or CD/DVD drives.

FEATUREs
● Supports USB 2.0 specification and USB Device Class Definition for Mass Storage, Bulk-Transport V1.0
● Supports ATA/ATAPI-6 specification Revision 1.0
    ■ PIO mode 0~4
    ■ UDMA mode 2/4
● Supports ATA/ATAPI device configured in master or slave mode
● Supports 48-bit addressing for large capacity hard drive
● Hardware DMA engine integrated inside for performance enhancement
● Works with default device driver from Windows ME/2000/XP and Mac OS X.
● One spared LED pin for disk access indication
● Built-in voltage regulator
● 48-pin LQFP package