CS4220 CS4221
TABLE OF CONTENTS
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C MODE (CS4221) ..................... 9
Contacting Cirrus Logic Support
For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:
http://www.cirrus.com/corporate/contacts/
I2C is a registered trademark of Philips Semiconductor.
SPI is a registered trademark of International Business Machines Corporation.
Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance product infor-
mation describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts to ensure that the infor-
mation contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided “AS IS” without
warranty of any kind (express or implied). No responsibility is assumed by Cirrus Logic, Inc. for the use of this information, nor for infringements of patents or
other rights of third parties. This document is the property of Cirrus Logic, Inc. and implies no license under patents, copyrights, trademarks, or trade secrets.
No part of this publication may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, pho-
tographic, or otherwise) without the prior written consent of Cirrus Logic, Inc. Items from any Cirrus Logic website or disk may be printed for use by the user.
However, no part of the printout or electronic files may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (elec-
tronic, mechanical, photographic, or otherwise) without the prior written consent of Cirrus Logic, Inc.Furthermore, no part of this publication may be used as a
basis for manufacture or sale of any items without the prior written consent of Cirrus Logic, Inc. The names of products of Cirrus Logic, Inc. or other vendors
and suppliers appearing in this document may be trademarks or service marks of their respective owners which may be registered in some jurisdictions. A list
of Cirrus Logic, Inc. trademarks and service marks can be found at http://www.cirrus.com.
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CIRRUS [ CIRRUS LOGIC ]
