alc250-lf Realtek Semiconductor Corporation, alc250-lf Datasheet - Page 2
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alc250-lf
Manufacturer Part Number
alc250-lf
Description
Two-channel Ac?97 2.3 Audio Codec With Equalizer
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC250-LF.pdf
(47 pages)
COPYRIGHT
©2005 Realtek Semiconductor Corp. All rights reserved. No part of this document may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means without the written permission of Realtek Semiconductor Corp.
DISCLAIMER
Realtek provides this document “as is”, without warranty of any kind, neither expressed nor implied,
including, but not limited to, the particular purpose. Realtek may make improvements and/or changes in
this document or in the product described in this document at any time. This document could include
technical inaccuracies or typographical errors.
TRADEMARKS
Realtek is a trademark of Realtek Semiconductor Corporation. Other names mentioned in this document
are trademarks/registered trademarks of their respective owners.
CONFIDENTIALITY
This document is confidential and should not be provided to a third-party without the permission of Realtek
Semiconductor Corporation.
USING THIS DOCUMENT
This document is intended for the software engineer’s reference and provides detailed programming
information.
Though every effort has been made to ensure that this document is current and accurate, more information
may have become available subsequent to the production of this guide. In that event, please contact your
Realtek representative for additional information that may help in the development process.
REVISION HISTORY
Two-Channel AC’97 2.3 Audio Codec
Revision
1.00
1.01
1.10
1.20
1.3
Release Date
2003/07/31
2003/08/06
2003/10/24
2005/03/18
2005/12/06
Summary
Change cover page.
Add ordering information.
1.For ALC250-VD, pin-43 is Disable# (Section 9.10)
2.Serial interface signals are shifted to pin-44 and pin-45.
3. Add lead (Pb)-free and version package identification
information on page 3 and on page 43.
Update section 6.1.12 MX1A Record Select, page 11.
Update section 12. Ordering Information, page 43.
First release.
ii
ALC250 DataSheet
Rev1.3