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PDF ALC888T-GR Data sheet ( Hoja de datos )
| Número de pieza | ALC888T-GR | |
| Descripción | 7.1 + 2-Channel High Definition Audio codec | |
| Fabricantes | Realtek Microelectronics | |
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ALC888T-GR
7.1+2 CHANNEL HIGH DEFINITION AUDIO CODEC
for VOIP APPLICATIONS
DATASHEET
Rev. 1.1
09 February 2007
Track ID: JATR-1076-21
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
1 page  
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ALC888T-GR
Datasheet
8.37. VERB – FUNCTION RESET (VERB ID=7FFH) ..................................................................................58
8.38. VERB – GET DIGITAL CONVERTER CONTROL 1 & CONTROL 2 (VERB ID= F0DH, F0EH) ..............58
8.39. VERB – SET DIGITAL CONVERTER CONTROL 1 & CONTROL 2 (VERB ID=70DH, 70EH) ................60
8.40. VERB – GET SUBSYSTEM ID [31:0] (VERB ID=F20H/F21H/D22H/F23H) ......................................61
8.41. VERB – SET SUBSYSTEM ID [31:0] (VERB ID=723H FOR [31:24], 722H FOR [23:16], 721H FOR
[15:8], 720H FOR [7:0]) ..................................................................................................................62
9. Electrical Characteristics ......................................................................................... 63
9.1. DC CHARACTERISTICS ...................................................................................................................63
9.1.1. Absolute Maximum Ratings ..................................................................................................................................63
9.1.2. Threshold Voltage .................................................................................................................................................63
9.1.3. Digital Filter Characteristics ...............................................................................................................................64
9.1.4. S/PDIF Input/Output Characteristics...................................................................................................................64
9.2. AC CHARACTERISTIC .....................................................................................................................65
9.2.1. Link Reset and Initialization Timing.....................................................................................................................65
9.2.2. Link Timing Parameters at the Codec ..................................................................................................................66
9.2.3. S/PDIF Output and Input Timing .........................................................................................................................67
9.2.4. Test Mode..............................................................................................................................................................67
9.3. ANALOG PERFORMANCE ................................................................................................................68
10. Application Circuits .................................................................................................. 69
11. Mechanical Dimensions ............................................................................................ 70
12. Ordering Information ............................................................................................... 71
7.1+2 Channel High Definition Audio Codec for VoIP Applications v
Track ID: JATR-1076-21 Rev. 1.1
5 Page 
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ALC888T-GR
Datasheet
2.2. Software Features
Meets Microsoft WHQL/WLP 3.0x audio requirements
WaveRT-based audio function driver for Windows Vista
EAX™ 1.0 & 2.0 compatible
Direct Sound 3D™ compatible
A3D™ compatible
I3DL2 compatible
HRTF 3D Positional Audio
Emulation of 26 sound environments to enhance gaming experience
10-Band Software Equalizer
Voice Cancellation and Key Shifting in Karaoke mode
Realtek Media Player
Enhanced Configuration Panel to improve user experience
Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF)
technology for voice application
Software DTMF decoder supports VoIP using traditional phone
API and library available for system integrator to develop their own GUI for VoIP application
3. System Applications
Desktop multimedia PCs
Laptop PCs
Information appliances (IA) e.g., set-top box
7.1+2 Channel High Definition Audio Codec for VoIP Applications 3
Track ID: JATR-1076-21 Rev. 1.1
11 Page | ||
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| PDF Descargar | [ Datasheet ALC888T-GR.PDF ] | |
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