AU9472R2 Datasheet | Alcor

.. AU9472 R2 Multimedia USB Keyboard Hub Technical Reference Manual Revision 2.1 1998-2003 Alcor Micro Corp. All Rights Reserved Copyright Notice Copyright 1998-2003 Alcor Micro Corp. All Rights Reserved. Trademark Acknowledgements The pany and product names mentioned in this document may be the trademarks or registered trademarks of their manufacturers. Disclaimer Alcor Micro Corp. reserves the right to change this product without notice. Alcor Micro Corp. makes no warranty for the use of its products and bears no responsibility for any error that appear in this document. Specifications are subject to change without notice. Contact Information: Web site: http://.alcormicro./ Taiwan Alcor Micro Corp. 4F-1, No 200, Kang Chien Rd., Nei Hu Taipei, Taiwan, R.O.C. Phone: 886-2-8751-1984 Fax: 886-2-2659-7723 San Jose Office 2901 Tasman Drive, Suite 206 Santa Clara, CA 95054 Phone: (408) 8 45-9300 Fax: (408) 845-9086 Los Angeles Office 9400 Seventh St., Bldg. A2 Rancho Cucamonga, CA 91730 Phone: (909) 989-3600 Fax: (909) 944-0464 Table of Contents 1.0 Introduction--------------------------------------------------------------------------------------1.1 Description----------------------------------------------------------------------------------1.2 Features --------------------------------------------------------------------------------------1 1 1 2.0 3.0 4.0 Application Block Diagram------------------------------------------------------------------ 3 Pin Assignment--------------------------------------------------------------------------------- 5 System Architecture and Reference Design------------------------------------------- 9 . 4.1 AU9472 R2 Block Diagram--------------------------------------------------------------- 9 ---4.2 Sample Schematics------------------------------------------------------------------------10 4.3 Keyboard Hub EEPROM Sample Value---------------------------------------------- 11 --------4.4 Sample Key Matrix...