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Datasheet ALC882 PDF ( 特性, スペック, ピン接続図 )

部品番号 ALC882
部品説明 7.1 + 2 Channel HD Audio Codec
メーカ Realtek Microelectronics
ロゴ Realtek Microelectronics ロゴ 
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ALC882 Datasheet, ALC882 PDF,ピン配置, 機能
ALC882 Series
7.1+2 CHANNEL HIGH DEFINITION AUDIO CODEC
DATASHEET
www.DataSheet.co.kr
Rev. 1.5
04 October 2005
Track ID: JATR-1076-21
Datasheet pdf - http://www.DataSheet4U.net/

1 Page



ALC882 pdf, ピン配列
Table of Contents
ALC882 Series
Datasheet
1. General Description .................................................................................................... 1
2. Features ........................................................................................................................ 2
2.1. HARDWARE FEATURES.....................................................................................................................2
2.2. SOFTWARE FEATURES ......................................................................................................................3
3. System Applications .................................................................................................... 3
4. Block Diagram ............................................................................................................. 4
4.1. ANALOG INPUT/OUTPUT UNIT .........................................................................................................5
5. Pin Assignments........................................................................................................... 6
5.1. LEAD (PB)-FREE PACKAGE AND VERSION IDENTIFICATION .............................................................6
6. Pin Descriptions........................................................................................................... 7
6.1. DIGITAL I/O PINS .............................................................................................................................7
6.2. ANALOG I/O PINS.............................................................................................................................7
6.3. FILTER/REFERENCE ..........................................................................................................................8
6.4. POWER/GROUND ...............................................www..DataS.heet.c.o.kr............................................................................8
7. High Definition Audio Link Protocol ........................................................................ 9
7.1. LINK SIGNALS ..................................................................................................................................9
7.1.1. Signal Definitions .................................................................................................................................................10
7.1.2. Signaling Topology ............................................................................................................................................... 11
7.2. FRAME COMPOSITION.....................................................................................................................12
7.2.1. Outbound Frame – Single SDO............................................................................................................................12
7.2.2. Outbound Frame – Multiple SDO ........................................................................................................................13
7.2.3. Inbound Frame – Single SDI ................................................................................................................................14
7.2.4. Inbound Frame – Multiple SDI ............................................................................................................................15
7.2.5. Variable Sample Rates..........................................................................................................................................15
7.3. RESET AND INITIALIZATION............................................................................................................18
7.3.1. Link Reset .............................................................................................................................................................18
7.3.2. Codec Reset ..........................................................................................................................................................19
7.3.3. Codec Initialization Sequence ..............................................................................................................................20
7.1+2 Channel High Definition Audio Codec
iii
Track ID: JATR-1076-21 Rev. 1.5
Datasheet pdf - http://www.DataSheet4U.net/


3Pages


ALC882 電子部品, 半導体
ALC882 Series
Datasheet
9.2.2. Link Timing Parameters at the Codec ..................................................................................................................64
9.2.3. S/PDIF Output and Input Timing .........................................................................................................................65
9.2.4. Test Mode..............................................................................................................................................................65
9.3. ANALOG PERFORMANCE ................................................................................................................66
10. Application Notes ...................................................................................................... 67
10.1. STANDARD APPLICATION CIRCUIT .................................................................................................67
10.2. VOLUME CONTROL BY EXTERNAL VARIABLE RESISTOR................................................................70
10.3. VOLUME CONTROL BY GPIO0/GPIO1...........................................................................................70
11. Mechanical Dimensions ............................................................................................ 71
11.1. MECHANICAL DIMENSIONS NOTES.................................................................................................72
12. Ordering Information ............................................................................................... 73
www.DataSheet.co.kr
7.1+2 Channel High Definition Audio Codec
vi
Track ID: JATR-1076-21 Rev. 1.5
Datasheet pdf - http://www.DataSheet4U.net/

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