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Número de pieza STAC9271
Descripción (STAC9271 - STAC9274) 10-CHANNEL HIGH DEFINITION AUDIO CODEC
Fabricantes IDT　
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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

1 page




STAC9271 pdf
STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 80. DAC1 OutAmpRight Command Verb Format ................................................................................ 60
Table 81. DAC1 OutAmpRight Command Response Format ....................................................................... 60
Table 82. DAC1 OutAmpLeft Command Verb Format .................................................................................. 60
Table 83. DAC1 OutAmpLeft Command Response Format .......................................................................... 60
Table 84. DAC1 WCap Command Verb Format ............................................................................................ 60
Table 85. DAC1 WCap Command Response Format ................................................................................... 61
Table 86. DAC1 PwrState Command Verb Format ....................................................................................... 61
Table 87. DAC1 PwrState Command Response Format .............................................................................. 62
Table 88. DAC1 CnvtrID Command Verb Format ......................................................................................... 62
Table 89. DAC1 CnvtrID Command Response Format ................................................................................. 62
Table 90. DAC1 LR Command Verb Format ................................................................................................. 63
Table 91. DAC1 LR Command Response Format ........................................................................................ 63
Table 92. DAC2 Cnvtr Command Verb Format ............................................................................................. 63
Table 93. DAC2 Cnvtr Command Response Format .................................................................................... 63
Table 94. DAC2 OutAmpRight Command Verb Format ................................................................................ 64
Table 95. DAC2 OutAmpRight Command Response Format ....................................................................... 65
Table 96. DAC2 OutAmpLeft Command Verb Format .................................................................................. 65
Table 97. DAC2 OutAmpLeft Command Response Format .......................................................................... 65
Table 98. DAC2 WCap Command Verb Format ............................................................................................ 65
Table 99. DAC2 WCap Command Response Format ................................................................................... 65
Table 100. DAC2 PwrState Command Verb Format ..................................................................................... 66
Table 101. DAC2 PwrState Command Response Format ............................................................................ 66
Table 102. DAC2 CnvtrID Command Verb Format ....................................................................................... 67
Table 103. DAC2 CnvtrID Command Response Format ............................................................................... 67
Table 104. DAC2 LR Command Verb Format ............................................................................................... 67
Table 105. DAC2 LR Command Response Format ...................................................................................... 68
Table 106. DAC3 Cnvtr Command Verb Format ........................................................................................... 68
Table 107. DAC3 Cnvtr Command Response Format .................................................................................. 68
Table 108. DAC3 OutAmpRight Command Verb Format .............................................................................. 69
Table 109. DAC3 OutAmpRight Command Response Format ..................................................................... 69
Table 110. DAC3 OutAmpLeft Command Verb Format ................................................................................ 70
Table 111. DAC3 OutAmpLeft Command Response Format ........................................................................ 70
Table 112. DAC3 WCap Command Verb Format .......................................................................................... 70
Table 113. DAC3 WCap Command Response Format ................................................................................. 70
Table 114. DAC3 PwrState Command Verb Format ..................................................................................... 71
Table 115. DAC3 PwrState Command Response Format ............................................................................ 71
Table 116. DAC3 CnvtrID Command Verb Format ....................................................................................... 72
Table 117. DAC3 CnvtrID Command Response Format ............................................................................... 72
Table 118. DAC3 LR Command Verb Format ............................................................................................... 72
Table 119. DAC3 LR Command Response Format ...................................................................................... 72
Table 120. DAC4 Cnvtr Command Verb Format ........................................................................................... 73
Table 121. DAC4 Cnvtr Command Response Format .................................................................................. 73
Table 122. DAC4 OutAmpRight Command Verb Format .............................................................................. 74
Table 123. DAC4 OutAmpRight Command Response Format ..................................................................... 74
Table 124. DAC4 OutAmpLeft Command Verb Format ................................................................................ 74
Table 125. DAC4 OutAmpLeft Command Response Format ........................................................................ 75
Table 126. DAC4 WCap Command Verb Format .......................................................................................... 75
Table 127. DAC4 WCap Command Response Format ................................................................................. 75
Table 128. DAC4 PwrState Command Verb Format ..................................................................................... 76
Table 129. DAC4 PwrState Command Response Format ............................................................................ 76
Table 130. DAC4 CnvtrID Command Verb Format ....................................................................................... 76
Table 131. DAC4 CnvtrID Command Response Format ............................................................................... 77
Table 132. DAC4 LR Command Verb Format ............................................................................................... 77
Table 133. DAC4 LR Command Response Format ...................................................................................... 77
Table 134. ADC0 Cnvtr Command Verb Format ........................................................................................... 77
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
5
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007

5 Page





STAC9271 arduino
STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 413. InPort1Mux OutAmpLeft Command Response Format ............................................................. 172
Table 414. InPort1Mux ConSelectCtrl Command Verb Format ................................................................... 173
Table 415. InPort1Mux ConSelectCtrl Command Response Format .......................................................... 173
Table 416. InPort1Mux ConLstEntry0 Command Verb Format ................................................................... 173
Table 417. InPort1Mux ConLstEntry0 Command Response Format .......................................................... 173
Table 418. InPort1Mux ConLstEntry4 Command Verb Format ................................................................... 173
Table 419. InPort1Mux ConLstEntry4 Command Response Format .......................................................... 174
Table 420. InPort1Mux ConLstEntry8 Command Verb Format ................................................................... 174
Table 421. InPort1Mux ConLstEntry8 Command Response Format .......................................................... 174
Table 422. InPort2Mux WCap Command Verb Format ............................................................................... 174
Table 423. InPort2Mux WCap Command Response Format ...................................................................... 175
Table 424. InPort2Mux ConLst Command Verb Format ............................................................................. 175
Table 425. InPort2Mux ConLst Command Response Format ..................................................................... 176
Table 426. InPort2Mux OutAmpCap Command Verb Format ..................................................................... 176
Table 427. InPort2Mux OutAmpCap Command Response Format ............................................................ 176
Table 428. InPort2Mux OutAmpRight Command Verb Format ................................................................... 176
Table 429. InPort2Mux OutAmpRight Command Response Format ........................................................... 177
Table 430. InPort2Mux OutAmpLeft Command Verb Format ...................................................................... 177
Table 431. InPort2Mux OutAmpLeft Command Response Format ............................................................. 177
Table 432. InPort2Mux ConSelectCtrl Command Verb Format ................................................................... 177
Table 433. InPort2Mux ConSelectCtrl Command Response Format .......................................................... 178
Table 434. InPort2Mux ConLstEntry0 Command Verb Format ................................................................... 178
Table 435. InPort2Mux ConLstEntry0 Command Response Format .......................................................... 178
Table 436. InPort2Mux ConLstEntry4 Command Verb Format ................................................................... 178
Table 437. InPort2Mux ConLstEntry4 Command Response Format .......................................................... 178
Table 438. InPort2Mux ConLstEntry8 Command Verb Format ................................................................... 179
Table 439. InPort2Mux ConLstEntry8 Command Response Format .......................................................... 179
Table 440. PCBEEP OutAmpLeft Command Verb Format ......................................................................... 179
Table 441. PCBEEP OutAmpLeft Command Response Format ................................................................. 179
Table 442. PCBEEP WCap Command Verb Format ................................................................................... 180
Table 443. PCBEEP WCap Command Response Format .......................................................................... 180
Table 444. PCBEEP OutAmpCap Command Verb Format ......................................................................... 180
Table 445. PCBEEP OutAmpCap Command Response Format ................................................................ 180
Table 446. PCBEEP Gen Command Verb Format ...................................................................................... 181
Table 447. PCBEEP Gen Command Response Format ............................................................................. 181
Table 448. CD WCap Command Verb Format ............................................................................................ 182
Table 449. CD WCap Command Response Format ................................................................................... 182
Table 450. CD PinCap Command Verb Format .......................................................................................... 183
Table 451. CD PinCap Command Response Format .................................................................................. 183
Table 452. CD PinWCntrl Command Verb Format ...................................................................................... 183
Table 453. CD PinWCntrl Command Response Format ............................................................................. 184
Table 454. CD ConfigDefault Command Verb Format ................................................................................ 184
Table 455. CD ConfigDefault Command Response Format ........................................................................ 184
Table 456. ADATOut Cnvtr Command Verb Format ................................................................................... 185
Table 457. ADATOut Cnvtr Command Response Format ........................................................................... 185
Table 458. ADATOut WCap Command Verb Format .................................................................................. 186
Table 459. ADATOut WCap Command Response Format ......................................................................... 186
Table 460. ADATOut CnvtrID Command Verb Format ................................................................................ 187
Table 461. ADATOut CnvtrID Command Response Format ....................................................................... 187
Table 462. ADATOut DigCnvtr Command Verb Format .............................................................................. 187
Table 463. ADATOut DigCnvtr Command Response Format ..................................................................... 188
Table 464. ADATOut VCSR0 Command Verb Format ................................................................................ 188
Table 465. ADATOut VCSR0 Command Response Format ....................................................................... 188
Table 466. VolumeKnob WCap Command Verb Format ............................................................................. 189
Table 467. VolumeKnob WCap Command Response Format .................................................................... 190
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
11
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007

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