7.1 + 2-Channel High Definition Audio codec

www.DataSheet4U.com ALC888-GR ALC888DD-GR ALC888H-GR 7.1+2 CHANNEL HIGH DEFINITION AUDIO CODEC DATASHEET Rev. 1.0 25 April 2006 Track ID: JATR-1076-21 Realtek Semiconductor Corp. No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan Tel.: +886-3-578-0211. Fax: +886-3-577-6047 www.realtek.com.tw www.DataSheet4U.com ALC888 Series Datasheet COPYRIGHT ©2006 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. USING THIS DOCUMENT This document is intended for the hardware and software engineer’s general information on the Realtek ALC888 Series Audio Codec ICs. 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 Revision 1.0 Release Date 2006/04/25 Summary First release. 7.1+2 Channel High Definition Audio Codec ii Rev. 1.0 www.DataSheet4U.com ALC888 Series Datasheet Table of Contents 1. 2. General Description .................................................................................................... 1 Features ........................................................................................................................ 2 2.1. 2.2. HARDWARE FEATURES.....................................................................................................................2 SOFTWARE FEATURES ......................................................................................................................3 3. 4. 5. 6. System Applications .................................................................................................... 3 Block Diagram ............................................................................................................. 4 4.1. 5.1. 6.1. 6.2. 6.3. 6.4. ANALOG INPUT/OUTPUT UNIT .........................................................................................................5 GREEN PACKAGE AND VERSION IDENTIFICATION ............................................................................6 DIGITAL I/O PINS .............................................................................................................................7 ANALOG I/O PINS.............................................................................................................................7 FILTER/REFERENCE ..........................................................................................................................8 POWER/GROUND ..............................................................................................................................8 LINK SIGNALS ..................................................................................................................................9 Signal Definitions .................................................................................................................................................10 Signaling Topology ............................................................................................................................................... 11 Pin Assignments........................................................................................................... 6 Pin Descriptions........................................................................................................... 7 7. High Definition Audio Link Protocol ........................................................................ 9 7.1. 7.1.1. 7.1.2. 7.2. 7.2.1. 7.2.2. 7.2.3. 7.2.4. 7.2.5. FRAME COMPOSITION.....................................................................................................................12 Outbound Frame – Single SDO............................................................................................................................12 Outbound Frame – Multiple SDOs.......................................................................................................................13 Inbound Frame – Single SDI ................................................................................................................................14 Inbound Frame – Multiple SDIs...........................................................................................................................15 Variable Sample Rates..........................................................................................................................................15 7.3. 7.3.1. 7.3.2. 7.3.3. RESET AND INITIALIZATION............................................................................................................18 Link Reset .............................................................................................................................................................18 Codec Reset ..........................................................................................................................................................19 Codec Initialization Sequence ..............................................................................................................................20 7.4. 7.4.1. 7.4.2. VERB AND RESPONSE FORMAT.......................................................................................................20 Command Verb Format ........................................................................................................................................20 Response Format..................................................................................................................................................21 7.5. POWER MANAGEMENT ...................................................................................................................21 VERB – GET PARAMETERS (VERB ID=F00H) .................................................................................23 Parameter – Vendor ID (Verb ID=F00h, Parameter ID=00h).............................................................................23 Parameter – Revision ID (Verb ID=F00h, Parameter ID=02h) ..........................................................................23 Parameter – Subordinate Node Count (Verb ID=F00h, Parameter ID=04h)......................................................24 Parameter – Function Group Type (Verb ID=F00h, Parameter ID=05h) ...........................................................24 iii Rev. 1.0 8. Supported Verbs and Parameters............................................................................ 23 8.1. 8.1.1. 8.1.2. 8.1.3. 8.1.4. 7.1+2 Channel High Definition Audio Codec www.DataSheet4U.com ALC888 Series Datasheet 8.1.5. 8.1.6. 8.1.7. 8.1.8. 8.1.9. 8.1.10. 8.1.11. 8.1.12. 8.1.13. 8.1.14. 8.1.15. 8.1.16. Parameter – Audio Function Capabilities (Verb ID=F00h, Parameter ID=08h)................................................25 Parameter – Audio Widget Capabilities (Verb ID=F00h, Parameter ID=09h) ...................................................25 Parameter – Supported PCM Size, Rates (Verb ID=F00h, Parameter ID=0Ah).................................................26 Parameter – Supported Stream Formats (Verb ID=F00h, Parameter ID=0Bh)..................................................27 Parameter – Pin Capabilities (Verb ID=F00h, Parameter ID=0Ch) ..................................................................28 Parameter – Amplifier Capabilities (Verb ID=F00h, Input Amplifier Parameter ID=0Dh)................................29 Parameter – Amplifier Capabilities (Verb ID=F00h, Output Amplifier Parameter ID=12h)..............................29 Parameter – Connect List Length (Verb ID=F00h, Parameter ID=0Eh) ............................................................30 Parameter – Supported Power States (Verb ID=F00h, Parameter ID=0Fh).......................................................30 Parameter – Processing Capabilities (Verb ID=F00h, Parameter ID=10h) .......................................................30 Parameter – GPIO Capabilities (Verb ID=F00h, Parameter ID=11h) ...............................................................31 Parameter – Volume Knob Capabilities (Verb ID=F00h, Parameter ID=13h) ...................................................31 8.2. 8.3. 8.4. 8.5. 8.6. 8.7. 8.8. 8.9. 8.10. 8.11. 8.12. 8.13. 8.14. 8.15. 8.16. 8.17. 8.18. 8.19. 8.20. 8.21. 8.22. 8.23. 8.24. 8.25. 8.26. 8.27. 8.28. 8.29. 8.30. 8.31. 8.32. 8.33. 8.34. 8.35. 8.36. VERB – GET CONNECTION SELECT CONTROL (VERB ID=F01H) ....................................................32 VERB – SET CONNECTION SELECT (VERB ID=701H) .....................................................................32 VERB – GET CONNECTION LIST ENTRY (VERB ID=F02H)..............................................................33 VERB – GET PROCESSING STATE (VERB ID=F03H)........................................................................37 VERB – SET PROCESSING STATE (VERB ID=703H) ........................................................................37 VERB – GET COEFFICIENT INDEX (VERB ID=DH) ...........................................