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STAC9271 Datasheet

(STAC9271 - STAC9274) 10-CHANNEL HIGH DEFINITION AUDIO CODEC

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10-CHANNEL HIGH DEFINITION AUDIO CODEC
DATASHEET
STAC9271/9272/9273/9274
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 StudioTM (See Table)
Dolby Home TheaterTM (See Table)
Dolby Sound RoomTM (See Table)
Dolby Technologies
Dolby HeadphoneTM, Dolby Virtual SpeakerTM
Dolby ProLogic IITM, Dolby ProLogic IIxTM
Dolby Digital LiveTM
Intel Audio StudioTM from Sonic Focus
Maxx PlayerTM from Waves
Microphone Beam Forming, Acoustic Echo
Cancellation, & Noise Suppression from
KnowlesTM
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
1
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007


Integrated Device Technology Electronic Components Datasheet

STAC9271 Datasheet

(STAC9271 - STAC9274) 10-CHANNEL HIGH DEFINITION AUDIO CODEC

No Preview Available !

STAC9271 pdf
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
2
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007


Part Number STAC9271
Description (STAC9271 - STAC9274) 10-CHANNEL HIGH DEFINITION AUDIO CODEC
Maker IDT
Total Page 30 Pages
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