STAC9272X3TAEyyX中文资料

IDT? 10-CHANNEL HIGH DEFINITION AUDIO CODEC 1

STAC9271/9272/9273/9274V 1.0 MARCH2007

IDT CONFIDENTIAL

Description

The STAC927x “Red River” is a family of Theater Quality 10-channel audio CODECs that enable systems with 7.1 audio playing simultaneously with VoIP or another stereo audio stream. IDT's proprietary Σ? technology provides high fidelity with an estimated DAC SNR up to 105dB. Up to four digital microphones are supported enabling high quality voice input for increased usability of voice applications.

Features

?High performance HD Audio CODEC provides Theater Quality Audio

?

High performance Σ? technology

?105dB DAC SNR ?90dB ADC SNR

?Five Stereo DACs and three stereo ADCs

?Supports 7.1 Audio with simultaneous Real Time

Communication (RTC) channel such as VoIP or separate stereo audio stream

?24-bit resolution with up to 192 KHz sample rates ?Digital Microphone Interface

?Direct interface up to four Digital Microphones ?

Analog Stereo Microphone

?Microphone Boost 0, 10, 20, 30, 40dB

?Six adjustable Vref outputs for microphone bias

?Integrated Headphone Amps (3)?S/PDIF In and Out

?ADAT ? Optical “Lightpipe” Output Support

?Volume Up/Down Control

?

Jack Insertion Detect and Impedance Sensing supports Jack Retasking and Universal Jacks

?Digital PC Beep to all outputs

?+3.3 V to +5 V analog power supply options ?

Environmental 48-pin LQFP package

Software Support

?SKPI (Kernel Processing Interface)

?Enables plug-ins that can operate globally on all audio streams of the system

?

12 band parametric equalizer SKPI plug-in

?

Constant, system-level effects tuned to optimize a particular platform can be combined with user-mode “presets” tailored for specific acoustical environments and applications

?System-level effects automatically disabled when external connections made ?Dynamics Processing SKPI plug-in

?Enables improved voice articulation

?Compressor/limiter allows higher average noise level without resonances

?

Dolby PC Entertainment Experience Logo Program

?Dolby Master Studio TM (See Table)?Dolby Home Theater TM (See Table)?Dolby Sound Room TM (See Table)

?Dolby Technologies

?Dolby Headphone TM , Dolby Virtual Speaker TM ?Dolby ProLogic II TM , Dolby ProLogic IIx TM ?Dolby Digital Live TM

?Intel Audio Studio TM from Sonic Focus ?Maxx Player TM from Waves

?

Microphone Beam Forming, Acoustic Echo Cancellation, & Noise Suppression from Knowles

TM

元器件交易网c97430dd28ea81c758f578fd

元器件交易网c97430dd28ea81c758f578fd

STAC9271/9272/9273/9274

10-CHANNEL HIGH DEFINITION AUDIO CODEC PC AUDIO Table of Contents

1. DESCRIPTION (14)

2. CHARACTERISTICS (15)

2.1. Audio Fidelity (15)

2.2. Electrical Specifications (15)

2.3. STAC927x Family 5 V, 4.5 V, 4.0 V and 3.3 V Analog Performance Characteristics (17)

3. DETAILED DESCRIPTION (21)

3.1. Universal JacksTM (21)

3.2. SPDIF Input (22)

3.3. SPDIF Output (23)

3.4. ADAT? Output (23)

3.5. Digital Microphone Support (23)

3.6. Analog PC-Beep (27)

3.7. Headphone Drivers (Restrictions) (27)

3.8. Device IDs (27)

4. FUNCTIONAL BLOCK DIAGRAMS (28)

4.1. STAC9273/9274 (28)

4.2. STAC9271/9272 (29)

5. WIDGET DIAGRAM (30)

5.1. Pin Configuration Default Register Settings (31)

6. WIDGET INFORMATION FOR THE STAC927X FAMILY (32)

6.1. Root Node (NID = 0x00) (34)

6.2. AFG Node (NID = 0x01) (35)

6.3. DAC0 Node (NID = 0x02) (54)

6.4. DAC1 Node (NID = 0x03) (58)

6.5. DAC2 Node (NID = 0x04) (63)

6.6. DAC3 Node (NID = 0x05) (68)

6.7. DAC4 Node (NID = 0x06) (73)

6.8. ADC0 Node (NID = 0x07) (77)

6.9. ADC1 Node (NID = 0x08) (82)

6.10. ADC2 Node (NID = 0x09) (87)

6.11. SPDIFOut Node (NID = 0x1E) (92)

6.12. SPDIFIn Node (NID = 0x20) (97)

6.13. PortA Node (NID = 0x0A) (105)

6.14. PortB Node (NID = 0x0B) (111)

6.15. PortC Node (NID = 0x0C) (117)

6.16. PortD Node (NID = 0x0D) (123)

6.17. PortE Node (NID = 0x0E) (128)

6.18. PortF Node (NID = 0x0F) (133)

6.19. PortG Node (NID = 0x10) (139)

6.20. PortH Node (NID = 0x11) (144)

6.21. DMic0 Node (NID = 0x13) (149)

6.22. DMic1 Node (NID = 0x14) (152)

6.23. DigOut0 Node (NID = 0x21) (155)

6.24. DigIn Node (NID = 0x22) (160)

6.25. InPort0Mux Node (NID = 0x15) (165)

6.26. InPort1Mux Node (NID = 0x16) (170)

6.27. InPort2Mux Node (NID = 0x17) (174)

6.28. PCBEEP Node (NID = 0x23) (179)

6.29. CD Node (NID = 0x12) (182)

6.30. ADATOut Node (NID = 0x1F) (185)

6.31. VolumeKnob Node (NID = 0x24) (189)

6.32. InPort0Vol Node (NID = 0x18) (193)

6.33. InPort1Vol Node (NID = 0x19) (196)

IDT? 10-CHANNEL HIGH DEFINITION AUDIO CODEC 2STAC9271/9272/9273/9274V 1.0 MARCH2007

IDT CONFIDENTIAL

元器件交易网c97430dd28ea81c758f578fd

STAC9271/9272/9273/9274

10-CHANNEL HIGH DEFINITION AUDIO CODEC PC AUDIO

6.34. InPort2Vol Node (NID = 0x1A) (199)

6.35. ADC0Mux Node (NID = 0x1B) (202)

6.36. ADC1Mux Node (NID = 0x1C) (206)

6.37. ADC2Mux Node (NID = 0x1D) (210)

7. ORDERING INFORMATION (215)

7.1. STAC927x Family Options and Part Order Numbers (215)

8. PIN INFORMATION (216)

8.1. STAC927x Family 48 Pin LQFP Diagram (216)

8.2. Pin Table for STAC927x family in 48 Pin LQFP (217)

9. PACKAGE OUTLINE AND PACKAGE DIMENSIONS (219)

9.2. 48-Pin LQFP (219)

10. 48-PIN LQFP SOLDER REFLOW PROFILE (220)

10.1. Standard Reflow Profile Data (220)

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