CDB4923 CDB49300
2
DS262DB2
TABLE OF CONTENTS
2.1 Power Requirements ......................................................................................................... 6
2.2 Dolby‚ Considerations ........................................................................................................ 7
3.1 Control Signals ................................................................................................................... 7
3.2 External Memory ................................................................................................................ 8
5.1.1 Control ................................................................................................................. 10
5.1.2 Data ..................................................................................................................... 10
5.1.3 Audio Clocking .................................................................................................... 12
6.1 DSP Clock ........................................................................................................................ 14
6.2 MCLK ............................................................................................................................... 15
6.3 LRCLK and SCLK ............................................................................................................ 15
11. APPENDIX E: EXTERNAL MEMORY SCHEMATICS ..................................................... 37
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/
Dolby is a registered trademark of Dolby Laboratories Licensing Corporation
DTS is a registered trademark of DTS, Inc.
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 information
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, photographic, 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 (electronic, 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. trade-
marks and service marks can be found at http://www.cirrus.com.
Summary of Contents for CS492 Series
Page 18: ...CDB4923 CDB49300 18 DS262DB2 9 APPENDIX A SCHEMATICS Figure 4 CS492x CS493xx ...
Page 19: ...CDB4923 CDB49300 DS262DB2 19 Figure 5 System Power ...
Page 20: ...CDB4923 CDB49300 20 DS262DB2 Figure 6 PC Interface ...
Page 21: ...CDB4923 CDB49300 DS262DB2 21 Figure 7 Control Logic ...
Page 22: ...CDB4923 CDB49300 22 DS262DB2 Figure 8 Clocking ...
Page 23: ...CDB4923 CDB49300 DS262DB2 23 Figure 9 Analog Input ...
Page 24: ...CDB4923 CDB49300 24 DS262DB2 Figure 10 Digital Input ...
Page 25: ...CDB4923 CDB49300 DS262DB2 25 Figure 11 D A Converters ...
Page 26: ...CDB4923 CDB49300 26 DS262DB2 Figure 12 Analog Output ...
Page 27: ...CDB4923 CDB49300 DS262DB2 27 Figure 13 Digital Output ...
Page 28: ...CDB4923 CDB49300 28 DS262DB2 Figure 14 Top Layer ...
Page 29: ...CDB4923 CDB49300 DS262DB2 29 Figure 15 Bottom Layer ...
Page 30: ...CDB4923 CDB49300 30 DS262DB2 Figure 16 SSTOP ...
Page 31: ...CDB4923 CDB49300 DS262DB2 31 Figure 17 ASYSTOP ...
Page 32: ...CDB4923 CDB49300 32 DS262DB2 Figure 18 Layer 2 ...
Page 33: ...CDB4923 CDB49300 DS262DB2 33 Figure 19 Layer 3 ...
Page 49: ... Notes ...
Page 50: ......
