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電子部品 ALC887 Datasheet 詳細情報 ( 特性, スペック, ピン接続図 )

部品番号 ALC887
部品説明 7.1 CHANNEL HIGH DEFINITION AUDIO CODEC
メーカ Realtek Microelectronics
ロゴ Realtek Microelectronics ロゴ 
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ALC887 Datasheet, ALC887 PDF,ピン配置, 機能
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
www.realtek.com.tw
http://www.Datasheet4U.com

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ALC887 pdf, 電子部品, 半導体, ピン配列
ALC887
Datasheet
Table of Contents
1. GENERAL DESCRIPTION ..............................................................................................................................................1
2. FEATURES .........................................................................................................................................................................2
2.1. HARDWARE FEATURES .................................................................................................................................................2
2.2. SOFTWARE FEATURES ..................................................................................................................................................3
3. SYSTEM APPLICATIONS ...............................................................................................................................................4
4. BLOCK DIAGRAM ...........................................................................................................................................................5
4.1. ANALOG INPUT/OUTPUT UNIT .....................................................................................................................................6
5. PIN ASSIGNMENTS..........................................................................................................................................................7
5.1. ALC887 PIN ASSIGNMENT ..........................................................................................................................................7
5.2. GREEN PACKAGE AND VERSION IDENTIFICATION .........................................................................................................7
6. PIN DESCRIPTIONS.........................................................................................................................................................8
6.1. DIGITAL I/O PINS .........................................................................................................................................................8
6.2. ANALOG I/O PINS ........................................................................................................................................................8
6.3. FILTER/REFERENCE......................................................................................................................................................9
6.4. POWER/GROUND........................................................................................................................................................10
7. HIGH DEFINITION AUDIO LINK PROTOCOL........................................................................................................11
7.1. LINK SIGNALS............................................................................................................................................................11
7.1.1. Signal Definitions .................................................................................................................................................12
7.1.2. Signaling Topology ...............................................................................................................................................13
7.2. FRAME COMPOSITION ................................................................................................................................................14
7.2.1. Outbound Frame – Single SDO............................................................................................................................14
7.2.2. Outbound Frame – Multiple SDOs.......................................................................................................................15
7.2.3. Inbound Frame – Single SDI ................................................................................................................................16
7.2.4. Inbound Frame – Multiple SDIs...........................................................................................................................17
7.2.5. Variable Sample Rates..........................................................................................................................................17
7.3. RESET AND INITIALIZATION........................................................................................................................................20
7.3.1. Link Reset .............................................................................................................................................................20
7.3.2. Codec Reset ..........................................................................................................................................................21
7.3.3. Double Function Reset .........................................................................................................................................21
7.3.4. Codec Initialization Sequence ..............................................................................................................................22
7.4. VERB AND RESPONSE FORMAT...................................................................................................................................22
7.4.1. Command Verb Format ........................................................................................................................................22
7.4.2. Response Format..................................................................................................................................................25
7.5. POWER MANAGEMENT...............................................................................................................................................26
7.5.1. ALC887 Additional Power Features.....................................................................................................................27
8. SUPPORTED VERBS AND PARAMETERS ................................................................................................................28
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 – 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 Widget Capabilities (Verb ID=F00h, Parameter ID=09h) ...................................................30
7.1 Channel High Definition Audio Codec w/Two
Independent SPDIF-OUT
iii
Rev. 1.0





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