Document History
Revision Date Change Reason
1 04 AUG 10 Original publication of this document.
2 12 NOV 10 Production Information added, ordering information and ROM code updated.
Bidirectional noise reduction feature added and minor editorial changes.
3 25 JAN 11 Replaced incorrect reference to long-tail echo cancellation with correct reference to non-linear processing
function. Update to copyright years and minor editorial changes.
4 17 MAY 11 HFP v1.6 and wideband speech feature added.
Style updated.
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The publication of this information does not imply that any license is granted under any patent or other rights owned by CSR plc and/or its affiliates.
CSR reserves the right to make technical changes to its products as part of its development programme.
While every care has been taken to ensure the accuracy of the contents of this document, CSR cannot accept responsibility for any errors.
Refer to www.csrsupport.com for compliance and conformance to standards information.
No statements or representations in this document are to be construed as advertising, marketing, or offering for sale in the United States imported
covered products subject to the Cease and Desist Order issued by the U.S. International Trade Commission in its Investigation No. 337-TA-602.
Such products include SiRFstarIII™ chips that operate with SiRF software that supports SiRFInstantFix™, and/or SiRFLoc
®
servers, or contains
SyncFreeNav functionality.
Production Information
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BC6145 QFN
Technical Overview
