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1、 ALC887 (PN: ALC887-GR) 7.1 CHANNEL HIGH DEFINITION AUDIO CODEC WITH TWO INDEPENDENT SPDIF-OUT DATASHEET Rev. 1.0 24 July 2008 Realtek Semiconductor Corp. No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan Tel.: +886-3-578-0211. Fax: +886-3-577-6047 .tw ALC887 Datasheet 7.1 Channel
2、 High Definition Audio Codec w/Two Independent SPDIF-OUT ii Rev. 1.0 COPYRIGHT 2008 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
3、 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 produc
4、t 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
5、THIS DOCUMENT This document is intended for the hardware and software engineers general information on the Realtek ALC887 High Definition Audio Codec IC. Though every effort has been made to ensure that this document is current and accurate, more information may have become available subsequent to t
6、he 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 Release Date Summary 1.0 2008/07/24 First release ALC887 Datasheet 7.1 Channel High Definition Audio Codec w/Two Indep
7、endent SPDIF-OUT iii Rev. 1.0 Table of Contents 1. GENERAL DESCRIPTION1 2. FEATURES.2 2.1. HARDWARE FEATURES.2 2.2. SOFTWARE FEATURES3 3. SYSTEM APPLICATIONS .4 4. BLOCK DIAGRAM.5 4.1. ANALOG INPUT/OUTPUT UNIT.6 5. PIN ASSIGNMENTS7 5.1. ALC887 PIN ASSIGNMENT7 5.2. GREEN PACKAGE AND VERSION IDENTIFIC
8、ATION.7 6. PIN DESCRIPTIONS.8 6.1. DIGITAL I/O PINS.8 6.2. ANALOG I/O PINS8 6.3. FILTER/REFERENCE9 6.4. POWER/GROUND10 7. HIGH DEFINITION AUDIO LINK PROTOCOL11 7.1. LINK SIGNALS11 7.1.1. Signal Definitions.12 7.1.2. Signaling Topology.13 7.2. FRAME COMPOSITION14 7.2.1. Outbound Frame Single SDO14 7.
9、2.2. Outbound Frame Multiple SDOs.15 7.2.3. Inbound Frame Single SDI16 7.2.4. Inbound Frame Multiple SDIs.17 7.2.5. Variable Sample Rates17 7.3. RESET AND INITIALIZATION20 7.3.1. Link Reset.20 7.3.2. Codec Reset21 7.3.3. Double Function Reset.21 7.3.4. Codec Initialization Sequence22 7.4. VERB AND R
10、ESPONSE FORMAT.22 7.4.1. Command Verb Format 22 7.4.2. Response Format25 7.5. POWER MANAGEMENT.26 7.5.1. ALC887 Additional Power Features.27 8. SUPPORTED VERBS AND PARAMETERS28 8.1. VERB GET PARAMETERS (VERB ID=F00H).28 8.1.1. Parameter Vendor ID (Verb ID=F00h, Parameter ID=00h).28 8.1.2. Parameter
11、Revision ID (Verb ID=F00h, Parameter ID=02h)28 8.1.3. Parameter Subordinate Node Count (Verb ID=F00h, Parameter ID=04h)29 8.1.4. Parameter Function Group Type (Verb ID=F00h, Parameter ID=05h).29 8.1.5. Parameter Audio Function Capabilities (Verb ID=F00h, Parameter ID=08h)29 8.1.6. Parameter Audio Wi
12、dget Capabilities (Verb ID=F00h, Parameter ID=09h).30 ALC887 Datasheet 7.1 Channel High Definition Audio Codec w/Two Independent SPDIF-OUT iv Rev. 1.0 8.1.7. Parameter Supported PCM Size, Rates (Verb ID=F00h, Parameter ID=0Ah).31 8.1.8. Parameter Supported Stream Formats (Verb ID=F00h, Parameter ID=
13、0Bh)32 8.1.9. Parameter Pin Capabilities (Verb ID=F00h, Parameter ID=0Ch) 32 8.1.10. Parameter Amplifier Capabilities (Verb ID=F00h, Input Amplifier Parameter ID=0Dh).33 8.1.11. Parameter Amplifier Capabilities (Verb ID=F00h, Output Amplifier Parameter ID=12h).33 8.1.12. Parameter Connect List Lengt
14、h (Verb ID=F00h, Parameter ID=0Eh)34 8.1.13. Parameter Supported Power States (Verb ID=F00h, Parameter ID=0Fh)34 8.1.14. Parameter Processing Capabilities (Verb ID=F00h, Parameter ID=10h) 34 8.1.15. Parameter GPIO Capabilities (Verb ID=F00h, Parameter ID=11h).35 8.1.16. Parameter Volume Knob Capabil
15、ities (Verb ID=F00h, Parameter ID=13h).35 8.2. VERB GET CONNECTION SELECT CONTROL (VERB ID=F01H)36 8.3. VERB SET CONNECTION SELECT (VERB ID=701H).36 8.4. VERB GET CONNECTION LIST ENTRY (VERB ID=F02H) .37 8.5. VERB GET PROCESSING STATE (VERB ID=F03H)40 8.6. VERB SET PROCESSING STATE (VERB ID=703H).40
16、 8.7. VERB GET COEFFICIENT INDEX (VERB ID=DH)41 8.8. VERB SET COEFFICIENT INDEX (VERB ID=5H).41 8.9. VERB GET PROCESSING COEFFICIENT (VERB ID=CH)42 8.10. VERB SET PROCESSING COEFFICIENT (VERB ID=4H)42 8.11. VERB GET AMPLIFIER GAIN (VERB ID=BH).43 8.12. VERB SET AMPLIFIER GAIN (VERB ID=3H).44 8.13. VERB GET CONVERTER FORMAT (VERB ID=AH)45 8.14. VERB SET CONVERTER FORMAT (VERB ID=2H)46 8.15. VERB GET POWER STATE (VERB ID=F
