ALC888S-GR

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7.1.1. Signal Definitions .................................................................................................................................................10 7.1.2. Signaling Topology ............................................................................................................................................... 11
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This document is intended for the hardware and software engineer’s general information on the Realtek ALC888S Audio Codec IC.
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3. System Applications .................................................................................................... 3
4. Block Diagram ............................................................................................................. 4
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4.1. ANALOG INPUT/OUTPUT UNIT .........................................................................................................5
5. Pin Assignments........................................................................................................... 6

ALC888S-GR
7.1+2 CHANNEL HIGH DEFINITION AUDIO CODEC WITH TWO INDEPENDENT S/PDIF-OUT
DATASHEET
Rev. 1.1 05 February 2007 Track ID: JATR-1076-21
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5.1. GREEN PACKAGE AND VERSION IDENTIFICATION ............................................................................6
6. Pin Descriptions........................................................................................................... 7
7.1+2 Channel High Definition Audio Codec
ii
Track ID: JATR-1076-21 Rev. 1.1

ALC888S Datasheet
Table of Contents
1. General Description .................................................................................................... 1
2. Features ........................................................................................................................ 2
2.1. HARDWARE FEATURES.....................................................................................................................2 2.2. SOFTWARE FEATURES ......................................................................................................................3
6.1. DIGITAL I/O PINS .............................................................................................................................7 6.2. ANALOG I/O PINS.............................................................................................................................7 6.3. FILTER/REFERENCE ..........................................................................................................................8 6.4. POWER/GROUND ..............................................................................................................................8
REVISION HISTORY
Revision 1.0 1.1
Release Date 2007/01/15 2007/02/05
Summary First release. Update section 12 Ordering Information, page 76. Correct ADC support data in section 2.1 Hardware Features, page 2.
7. High Definition Audio Link Protocol ........................................................................ 9
7.1. LINK SIGNALS ..................................................................................................................................9

ALC888S Datasheet
COPYRIGHT
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7.2. FRAME COMPOSITION.....................................................................................................................12
7.2.1. Outbound Frame – Single SDO............................................................................................................................12 7.2.2. Outbound Frame – Multiple SDOs.......................................................................................................................13 7.2.3. Inbound Frame – Single SDI ................................................................................................................................14 7.2.4. Inbound Frame – Multiple SDIs...........................................................................................................................15 7.2.5. Variable Sample Rates..........................................................................................................................................15