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Datasheet ALC880 PDF ( 特性, スペック, ピン接続図 )

部品番号 ALC880
部品説明 7.1 Channel HD Audio Codec
メーカ Realtek Microelectronics
ロゴ Realtek Microelectronics ロゴ 
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ALC880 Datasheet, ALC880 PDF,ピン配置, 機能
ALC880 Series
7.1 CHANNEL HIGH DEFINITION AUDIO CODEC
www.DataSheet.co.kr
DATASHEET
Rev. 1.4
01 September 2005
Track ID: JATR-1076-21
Datasheet pdf - http://www.DataSheet4U.net/

1 Page



ALC880 pdf, ピン配列
ALC880 Series
Datasheet
Table of Contents
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 .........................................................................................................4
5. Pin Assignments........................................................................................................... 5
5.1. LEAD (PB)-FREE PACKAGE AND VERSION IDENTIFICATION .............................................................5
6. Pin Descriptions........................................................................................................... 6
6.1. DIGITAL I/O PINS .............................................................................................................................6
6.2. ANALOG I/O PINS.............................................................................................................................6
6.3. FILTER/REFERENCE ..........................................................................................................................7
6.4. POWER/GROUND ...............................................www..DataS.heet.c.o.kr............................................................................7
7. High Definition Audio Link Protocol ........................................................................ 8
7.1. LINK SIGNALS ..................................................................................................................................8
7.1.1. Signal Definitions ...................................................................................................................................................8
7.1.2. Signaling Topology .................................................................................................................................................9
7.2. FRAME COMPOSITION.....................................................................................................................10
7.2.1. Outbound Frame – Single SDO............................................................................................................................10
7.2.2. Outbound Frame – Multiple SDOs.......................................................................................................................12
7.2.3. Inbound Frame – Single SDI ................................................................................................................................13
7.2.4. Inbound Frame – Multiple SDIs...........................................................................................................................14
7.2.5. Variable Sample Rates..........................................................................................................................................14
7.3. RESET AND INITIALIZATION............................................................................................................16
7.3.1. Link Reset .............................................................................................................................................................16
7.3.2. Codec Reset ..........................................................................................................................................................18
7.3.3. Codec Initialization Sequence ..............................................................................................................................18
7.1 Channel High Definition Audio Codec
iii
Track ID: JATR-1076-21 Rev. 1.4
Datasheet pdf - http://www.DataSheet4U.net/


3Pages


ALC880 電子部品, 半導体
ALC880 Series
Datasheet
9.1.4. S/PDIF Input/Output Characteristics...................................................................................................................66
9.2. AC CHARACTERISTIC .....................................................................................................................67
9.2.1. Link Reset and Initialization Timing.....................................................................................................................67
9.2.2. Link Timing Parameters at the Codec ..................................................................................................................68
9.2.3. S/PDIF Output and Input Timing .........................................................................................................................69
9.2.4. Test Mode..............................................................................................................................................................69
9.3. ANALOG PERFORMANCE ................................................................................................................70
10. Application Circuits .................................................................................................. 71
11. Mechanical Dimensions ............................................................................................ 72
11.1. MECHANICAL DIMENSIONS NOTES.................................................................................................73
12. Ordering Information ............................................................................................... 74
www.DataSheet.co.kr
7.1 Channel High Definition Audio Codec
vi
Track ID: JATR-1076-21 Rev. 1.4
Datasheet pdf - http://www.DataSheet4U.net/

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