Alcor AU9321, Техническое справочное руководство

Страница: 5 / 20

INTRODUCTION 1
1.0 Introduction
1.1 Description
The AU9321 is a single chip integrated USB Compact Flash (CF) card reader controller. It
can be used as a removable storage disk in enormous data exchange applications between PC
and PC or PC and various consumer electronic devices.
The AU9321 can read of CF card’s contents created by handheld consumer electronic devices
such as digital camera, MP3 player, PDA and mobile phone… etc. It provides a faster and
convenient way of data transfer scheme to meet the emerging need of a data exchange center
between PC and various consumer devices. With AU9320, users’ experience will be further
enhanced by the Plug-and-Play nature built into latest operation systems such as Windows
2000/XP and Mac OS X.
Because of the multiple sectors transfer up to 4G bytes and the single chip integration,
AU9321 will be the most powerful and cost efficient CF card reader controller solution in the
market.
1.2 Features
Fully compliant with USB v1.1 specification and USB Device Class Definition for
Mass Storage, Bulk-Transport v1.0
Fully compliant with Compact Flash (CF) v1.4 Specification.
Work with default driver from Windows ME, Windows 2000, Windows XP, Mac
OS 9.1, and Mac OS X. Windows 98 is supported by vendor driver from Alcor.
Ping-pong FIFO implementation for concurrent bus operation
Support multiple sectors transfer up to 4G byte to optimize performance
Support optional external EEPROM for USB VID, PID and string customization
Capable of handling 8 sets of built-in PID, VID and strings to minimize inventory
control and improve lead production lead time
LED for bus activity monitoring
Integrated power switch and power management circuit to meet USB 500uA power
consumption during suspend with CF card in the slot.
Runs at 12MHz, built-in 48 MHz PLL
Built-in 3.3V regulator
48-pin LQFP package