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DATASHEET
FOUR CHANNEL HD AUDIO CODEC
OPTIMIZED FOR LOW POWER/LOW COST
DESCRIPTION
The 92HD95 is a low power optimized, high fidelity,
4-channel audio codec compatible with Intel’s High Defini-
tion (HD) Audio Interface. The 92HD95 provides high qual-
ity, HD Audio capability to notebook and desktop PC
applications.
FEATURES
• 4 Channel (2 stereo DACs, 2 stereo ADCs) with
24-bit resolution
• Microsoft WLP premium logo compliant
• 2W(4ohm)/1W(8ohm) Class-D Stereo BTL Amplifier
at <1% THD+N and 5V
• Selectable frequency hardware high-pass filter for
speaker protection.
• 10 band hardware parametric equalizer (5 bands per
channel) for speaker optimization in ALL operating
scenarios
• Hardware compressor limiter allows higher average
volume level without resonances or damage to
speakers.
• Integrated Class-G true capless stereo headphone
amplifier with charge pump/LDO
• 4 analog ports with port presence detect (3 single
ended, 1 BTL)
• Combo Jack Support allowing for dual-function
headphone and headset detection
• 2 Voltage adjustable VREF_Out pins for
microphone bias
• 2 Digital microphone inputs (4 mic support)
• Microphone Mute Input
• Selectable 1.5V and 3.3V HDA signaling
• Internal DVDD LDO voltage regulator
• Supports Runtime D3 (RTD3) low power mode
• Capable of MSLync Compliance
• Full HDA015-B and EuP low power support
• Audio inactivity transitions codec from D0 to D3 low
power mode
• Resume from D3 to D0 with audio activity in < 10 msec
• D3 to D0 transition with < -65dB pop/click
• Port presence detect in D3 with or without bit clock
• PC beep wake up in D3
• Additional vendor specific modes for even lower power
• 3.3 V analog power supply
• Digital and Analog PC Beep to all outputs
• 40-pin 5mm x 5mm QFN RoHS package
92HD95
SOFTWARE SUPPORT
• Intuitive IDT HD Sound graphical user interface
that allows configurability and preference settings
• Output Path Processing
• 12 band fully parametric equalizer
• Compressor/limiter allows higher average volume level
without resonances or damage to speakers.
• Enables improved voice articulation
• 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 audio connections made
• Input Path Processing
• 2 band fully parametric equalizer to allow for shaping of
microphone response
• Compressor/limiter allows higher average volume level
• Available near-field and far-field voice capture
algorithms to support conference room/lecture hall
applications
• Microphone Beam Forming, Acoustic Echo
Cancellation, and Noise Suppression
• IDT APO wrapper
www.DataSheet.net/
Enables multiple APOs to be used with the IDT Driver
• Dynamic Stream Switching
• Improved multi-streaming (Real Time Communication)
user experience with less support calls
• Broad 3rd party branded software including
Creative, Dolby, DTS, Waves, Sonic Focus & SRS
40 39 38 37 36 35 34 33 32 31
DVDD_LV 1
30 AVDD2
DMIC_CLK/GPIO 1 2
DMIC_0/GPIO 2 3
DMIC_1/GPIO 0 4
Digital Mic
Interface
BTL BTL
Digital PWM controller
Stereo 5-band EQ
Highpass Filter
29 CPVreg
28 FCap1
27 FCap2
SDATA_OUT 5
BITCLK 6
DVDDIO 7
SDATA_IN 8
DVDD 9
SYNC 10
Stereo
DAC 0
Stereo
DAC 1
Stereo
ADC0
Stereo
ADC1
DAC0
DAC1
DMIC0
DMIC1
DAC0
DAC1
DMIC0
DMIC1
DAC0
DAC1
MUX
DAC0
DAC1
MUX
26 VNeg
25 VPos
HP 24 PORTA_R
HP 23 PORTA_L
22 AVDD1
21 CAP2
11 12 13 14 15 16 17 18 19 20
©2012 INTEGRATED DEVICE TECHNOLOGY, INC.
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92HD95
Datasheet pdf - http://www.DataSheet4U.co.kr/

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92HD95
Four Channel HD Audio Codec
TABLE OF CONTENTS
1. DESCRIPTION .......................................................................................................................... 9
1.1. Overview ............................................................................................................................................9
1.2. Orderable Part Numbers ....................................................................................................................9
2. DETAILED DESCRIPTION ..................................................................................................... 10
2.1. Port Functionality .............................................................................................................................10
2.1.1. Port Characteristics ............................................................................................................10
2.1.2. Vref_Out .............................................................................................................................11
2.1.3. Jack Detect ........................................................................................................................11
2.1.4. SPDIF Output .....................................................................................................................12
2.2. ADC Multiplexers .............................................................................................................................13
2.3. Power Management .........................................................................................................................13
2.4. AFG D0 ............................................................................................................................................14
2.5. AFG D1 ............................................................................................................................................14
2.6. AFG D2 ............................................................................................................................................14
2.7. AFG D3 ............................................................................................................................................15
2.7.1. AFG D3cold / RTD3 ...........................................................................................................15
2.8. Vendor Specific Function Group Power States D4/D5 ....................................................................15
2.9. 4.12 Vendor Specific Function Group Power State “D5 Kill” ............................................................16
2.10. Low-voltage HDA Signaling ...........................................................................................................16
2.11. Multi-channel capture ....................................................................................................................16
2.12. EAPD .............................................................................................................................................18
2.13. Digital Microphone Support ...........................................................................................................21
2.14. Analog PC-Beep ............................................................................................................................25
2.15. Digital PC-Beep .............................................................................................................................27
2.16. Headphone Drivers ........................................................................................................................28
2.17. Class-D BTL Amplifier ....................................................................................................................28
2.18. BTL Amplifier High-Pass Filter .......................................................................................................28
2.18.1. Filter Description ..............................................................................................................29
2.19. EQ ...........................................................................www..Data.Shee.t.net/....................................................................29
2.20. Combo Jack Detection ...................................................................................................................29
2.21. GPIO ..............................................................................................................................................30
2.21.1. GPIO Pin mapping and shared functions .........................................................................30
2.21.2. SPDIF/GPIO Selection .....................................................................................................30
2.21.3. Digital Microphone/GPIO Selection .................................................................................30
2.22. HD Audio HDA015-B support ........................................................................................................30
2.23. Digital Core Voltage Regulator ......................................................................................................31
2.24. Microphone Mute Input ..................................................................................................................31
3. CHARACTERISTICS ............................................................................................................... 32
3.1. Electrical Specifications ...................................................................................................................32
3.1.1. Absolute Maximum Ratings ...............................................................................................32
3.1.2. Recommended Operating Conditions ................................................................................32
3.2. 92HD95 Analog Performance Characteristics (PRELIMINARY) ......................................................................33
3.3. Class-D BTL Amplifier Performance ................................................................................................36
3.4. Capless Headphone Supply Characteristics ....................................................................................37
3.5. AC Timing Specs .............................................................................................................................37
3.5.1. HD Audio Bus Timing .........................................................................................................37
3.5.2. SPDIF Timing .....................................................................................................................38
3.5.3. Digital Microphone Timing .................................................................................................38
3.5.4. GPIO Characteristics .........................................................................................................38
4. FUNCTIONAL BLOCK DIAGRAM .......................................................................................... 39
5. WIDGET DIAGRAM ................................................................................................................ 40
6. PORT AND PIN CONFIGURATIONS ..................................................................................... 41
6.1. Port Configurations ..........................................................................................................................41
6.2. Pin Configuration Default Register Settings .....................................................................................42
7. WIDGET INFORMATION ........................................................................................................ 43
7.1. Widget List .......................................................................................................................................44
7.2. Reset Key ........................................................................................................................................45
IDT CONFIDENTIAL
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92HD95
Four Channel HD Audio Codec
7.3. Root (NID = 00h): VendorID ............................................................................................................45
7.3.1. Root (NID = 00h): VendorID ...............................................................................................46
7.3.2. Root (NID = 00h): RevID ....................................................................................................46
7.3.3. Root (NID = 00h): NodeInfo ...............................................................................................47
7.4. AFG (NID = 01h): NodeInfo .............................................................................................................47
7.4.1. AFG (NID = 01h): FGType .................................................................................................48
7.4.2. AFG (NID = 01h): AFGCap ................................................................................................48
7.4.3. AFG (NID = 01h): PCMCap ...............................................................................................49
7.4.4. AFG (NID = 01h): StreamCap ............................................................................................51
7.4.5. AFG (NID = 01h): InAmpCap .............................................................................................51
7.4.6. AFG (NID = 01h): PwrStateCap .........................................................................................52
7.4.7. AFG (NID = 01h): GPIOCnt ...............................................................................................53
7.4.8. AFG (NID = 01h): OutAmpCap ..........................................................................................54
7.4.9. AFG (NID = 01h): PwrState ...............................................................................................54
7.4.10. AFG (NID = 01h): UnsolResp ..........................................................................................55
7.4.11. AFG (NID = 01h): GPIO ...................................................................................................56
7.4.12. AFG (NID = 01h): GPIOEn ...............................................................................................57
7.4.13. AFG (NID = 01h): GPIODir ..............................................................................................57
7.4.14. AFG (NID = 01h): GPIOWakeEn .....................................................................................58
7.4.15. AFG (NID = 01h): GPIOUnsol ..........................................................................................59
7.4.16. AFG (NID = 01h): GPIOSticky .........................................................................................59
7.4.17. AFG (NID = 01h): SubID ..................................................................................................60
7.4.18. AFG (NID = 01h): GPIOPlrty ............................................................................................61
7.4.19. AFG (NID = 01h): GPIODrive ...........................................................................................62
7.4.20. AFG (NID = 01h): DMic ....................................................................................................62
7.4.21. AFG (NID = 01h): DACMode ...........................................................................................63
7.4.22. AFG (NID = 01h): ADCMode ...........................................................................................64
7.4.23. AFG (NID = 01h): EAPD ..................................................................................................65
7.4.24. AFG (NID = 01h): PortUse ...............................................................................................66
7.4.25. AFG (NID = 01h): ComJack .............................................................................................67
7.4.26. AFG (NID = 01h): ComboJackTime ..........www..DataS.heet..net/.................................................................... 68
7.4.27. AFG (NID = 01h): VSPwrState .........................................................................................70
7.4.28. AFG (NID = 01h): AnaPort ...............................................................................................70
7.4.29. AFG (NID = 01h): AnaBeep .............................................................................................71
7.4.30. AFG (NID = 01h): AnaBTL ...............................................................................................72
7.4.31. AFG (NID = 01h): AnaBTLStatus .....................................................................................74
7.4.32. AFG (NID = 01h): AnaCapless .........................................................................................75
7.4.33. AFG (NID = 01h): Reset ...................................................................................................78
7.5. PortA (NID = 0Ah): WCap ................................................................................................................79
7.5.1. PortA (NID = 0Ah): PinCap ................................................................................................80
7.5.2. PortA (NID = 0Ah): ConLst .................................................................................................81
7.5.3. PortA (NID = 0Ah): ConLstEntry0 ......................................................................................82
7.5.4. PortA (NID = 0Ah): ConSelectCtrl ......................................................................................82
7.5.5. PortA (NID = 0Ah): PwrState .............................................................................................83
7.5.6. PortA (NID = 0Ah): PinWCntrl ............................................................................................84
7.5.7. PortA (NID = 0Ah): UnsolResp ..........................................................................................84
7.5.8. PortA (NID = 0Ah): ChSense .............................................................................................85
7.5.9. PortA (NID = 0Ah): EAPDBTLLR .......................................................................................85
7.5.10. PortA (NID = 0Ah): ConfigDefault ....................................................................................86
7.6. PortB (NID = 0Bh): WCap ................................................................................................................89
7.6.1. PortB (NID = 0Bh): PinCap ................................................................................................90
7.6.2. PortB (NID = 0Bh): InAmpLeft ............................................................................................91
7.6.3. PortB (NID = 0Bh): InAmpRight .........................................................................................92
7.6.4. PortB (NID = 0Bh): PwrState .............................................................................................92
7.6.5. PortB (NID = 0Bh): PinWCntrl ............................................................................................93
7.6.6. PortB (NID = 0Bh): UnsolResp ..........................................................................................94
7.6.7. PortB (NID = 0Bh): ChSense .............................................................................................94
7.6.8. PortB (NID = 0Bh): EAPDBTLLR .......................................................................................95
7.6.9. PortB (NID = 0Bh): ConfigDefault ......................................................................................95
IDT CONFIDENTIAL
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92HD95
Four Channel HD Audio Codec
7.7. PortC (NID = 0Ch): WCap ...............................................................................................................98
7.7.1. PortC (NID = 0Ch): PinCap ................................................................................................99
7.7.2. PortC (NID = 0Ch): InAmpLeft .........................................................................................100
7.7.3. PortC (NID = 0Ch): InAmpRight .......................................................................................101
7.7.4. PortC (NID = 0Ch): PwrState ...........................................................................................101
7.7.5. PortC (NID = 0Ch): PinWCntrl .........................................................................................102
7.7.6. PortC (NID = 0Ch): UnsolResp ........................................................................................103
7.7.7. PortC (NID = 0Ch): ChSense ...........................................................................................103
7.7.8. PortC (NID = 0Ch): EAPDBTLLR .....................................................................................104
7.7.9. PortC (NID = 0Ch): ConfigDefault ....................................................................................104
7.8. PortD (NID = 0Dh): WCap .............................................................................................................107
7.8.1. PortD (NID = 0Dh): PinCap ..............................................................................................108
7.8.2. PortD (NID = 0Dh): ConLst ..............................................................................................109
7.8.3. PortD (NID = 0Dh): ConLstEntry0 ....................................................................................110
7.8.4. PortD (NID = 0Dh): ConSelectCtrl ...................................................................................110
7.8.5. PortD (NID = 0Dh): PwrState ...........................................................................................111
7.8.6. PortD (NID = 0Dh): PinWCntrl .........................................................................................112
7.8.7. PortD (NID = 0Dh): EAPDBTLLR .....................................................................................112
7.8.8. PortD (NID = 0Dh): EsdRest ............................................................................................113
7.8.9. PortD (NID = 0Dh): ConfigDefault ....................................................................................113
7.9. DMic0 (NID = 0Eh): WCap .............................................................................................................116
7.9.1. DMic0 (NID = 0Eh): PinCap .............................................................................................117
7.9.2. DMic0 (NID = 0Eh): InAmpLeft ........................................................................................118
7.9.3. DMic0 (NID = 0Eh): InAmpRight ......................................................................................119
7.9.4. DMic0 (NID = 0Eh): PwrState ..........................................................................................119
7.9.5. DMic0 (NID = 0Eh): PinWCntrl .........................................................................................120
7.9.6. DMic0 (NID = 0Eh): ConfigDefault ...................................................................................121
7.10. DMic1 (NID = 0Fh): WCap ...........................................................................................................123
7.10.1. DMic1 (NID = 0Fh): PinCap ...........................................................................................125
7.10.2. DMic1 (NID = 0Fh): InAmpLeft .......................................................................................126
7.10.3. DMic1 (NID = 0Fh): InAmpRight ...............www..Data.Sheet..net/.................................................................. 127
7.10.4. DMic1 (NID = 0Fh): PwrState ........................................................................................127
7.10.5. DMic1 (NID = 0Fh): PinWCntrl .......................................................................................128
7.10.6. DMic1 (NID = 0Fh): ConfigDefault .................................................................................128
7.11. DAC0 (NID = 10h): WCap ............................................................................................................131
7.11.1. DAC0 (NID = 10h): Cnvtr ...............................................................................................132
7.11.2. DAC0 (NID = 10h): OutAmpLeft .....................................................................................133
7.11.3. DAC0 (NID = 10h): OutAmpRight ..................................................................................134
7.11.4. DAC0 (NID = 10h): PwrState .........................................................................................134
7.11.5. DAC0 (NID = 10h): CnvtrID ............................................................................................135
7.11.6. DAC0 (NID = 10h): EAPDBTLLR ...................................................................................136
7.12. DAC1 (NID = 11h): WCap ............................................................................................................136
7.12.1. DAC1 (NID = 11h): Cnvtr ...............................................................................................138
7.12.2. DAC1 (NID = 11h): OutAmpLeft .....................................................................................139
7.12.3. DAC1 (NID = 11h): OutAmpRight ..................................................................................139
7.12.4. DAC1 (NID = 11h): PwrState .........................................................................................140
7.12.5. DAC1 (NID = 11h): CnvtrID ............................................................................................141
7.12.6. DAC1 (NID = 11h): EAPDBTLLR ...................................................................................141
7.13. ADC0 (NID = 12h): WCap ............................................................................................................142
7.13.1. ADC0 (NID = 12h): ConLst ............................................................................................143
7.13.2. ADC0 (NID = 15h): ConLstEntry0 ..................................................................................144
7.13.3. ADC0 (NID = 15h): Cnvtr ...............................................................................................144
7.13.4. ADC0 (NID = 12h): ProcState ........................................................................................145
7.13.5. ADC0 (NID = 12h): PwrState .........................................................................................146
7.13.6. ADC0 (NID = 12h): CnvtrID ............................................................................................147
7.14. ADC1 (NID = 13h): WCap ............................................................................................................147
7.14.1. ADC1 (NID = 13h): ConLst ............................................................................................149
7.14.2. ADC1 (NID = 13h): ConLstEntry0 ..................................................................................149
7.14.3. ADC1 (NID = 13h): Cnvtr ...............................................................................................150
IDT CONFIDENTIAL
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92HD95
Four Channel HD Audio Codec
7.14.4. ADC1 (NID = 13h): ProcState ........................................................................................151
7.14.5. ADC1 (NID = 13h): PwrState .........................................................................................152
7.14.6. ADC1 (NID = 1Bh): CnvtrID ...........................................................................................153
7.15. ADC0Mux (NID = 14h): WCap .....................................................................................................153
7.15.1. ADC0Mux (NID = 14h): ConLst ......................................................................................155
7.15.2. ADC0Mux (NID = 14h): ConLstEntry4 ...........................................................................155
7.15.3. ADC0Mux (NID = 14h): ConLstEntry0 ...........................................................................156
7.15.4. ADC0Mux (NID = 14h): OutAmpCap .............................................................................156
7.15.5. ADC0Mux (NID = 14h): OutAmpLeft ..............................................................................157
7.15.6. ADC0Mux (NID = 14h): OutAmpRight ...........................................................................157
7.15.7. ADC0Mux (NID = 14h): ConSelectCtrl ...........................................................................158
7.15.8. ADC0Mux (NID = 14h): PwrState ..................................................................................158
7.15.9. ADC0Mux (NID = 14h): EAPDBTLLR ............................................................................159
7.16. ADC1Mux (NID = 15h): WCap .....................................................................................................160
7.16.1. ADC1Mux (NID = 15h): ConLst ......................................................................................161
7.16.2. ADC1Mux (NID = 15h): ConLstEntry4 ...........................................................................162
7.16.3. ADC1Mux (NID = 15h): ConLstEntry0 ...........................................................................162
7.16.4. ADC1Mux (NID = 15h): OutAmpCap .............................................................................163
7.16.5. ADC1Mux (NID = 15h): OutAmpLeft ..............................................................................163
7.16.6. ADC1Mux (NID = 15h): OutAmpRight ...........................................................................164
7.16.7. ADC1Mux (NID = 15h): ConSelectCtrl ...........................................................................164
7.16.8. ADC1Mux (NID = 15h): PwrState ..................................................................................165
7.16.9. ADC1Mux (NID = 15h): EAPDBTLLR ............................................................................166
7.17. PortMux (NID = 16h): WCap ........................................................................................................166
7.17.1. PortMux (NID = 16h): ConLst .........................................................................................168
7.17.2. PortMux (NID = 16h): ConLstEntry0 ..............................................................................168
7.17.3. PortMux (NID = 16h): ConSelectCtrl ..............................................................................169
7.17.4. PortMux (NID = 16h): PwrState .....................................................................................169
7.18. SPDIFOut0 (NID = 17h): WCap ...................................................................................................170
7.18.1. SPDIFOut0 (NID = 17h): PCMCap ................................................................................171
7.18.2. SPDIFOut0 (NID = 17h): StreamCap ........www..Data.Sheet..net/.................................................................. 173
7.18.3. SPDIFOut0 (NID = 17h): OutAmpCap ...........................................................................173
7.18.4. SPDIFOut0 (NID = 17h): Cnvtr ......................................................................................174
7.18.5. SPDIFOut0 (NID = 17h): OutAmpLeft ............................................................................175
7.18.6. SPDIFOut0 (NID = 17h): OutAmpRight .........................................................................176
7.18.7. SPDIFOut0 (NID = 1Dh): PwrState ................................................................................176
7.18.8. SPDIFOut0 (NID = 17h): CnvtrID ...................................................................................177
7.18.9. SPDIFOut0 (NID = 17h): DigCnvtr .................................................................................178
7.19. Dig0Pin (NID = 18h): WCap .........................................................................................................179
7.19.1. Dig0Pin (NID = 18h): PinCap .........................................................................................180
7.19.2. Dig0Pin (NID = 18h): ConLst .........................................................................................181
7.19.3. Dig0Pin (NID = 18h): ConLstEntry0 ...............................................................................182
7.19.4. Dig0Pin (NID = 18h): PwrState ......................................................................................182
7.19.5. Dig0Pin (NID = 18h): PinWCntrl .....................................................................................183
7.19.6. Dig0Pin (NID = 18h): UnsolResp ..................................................................................184
7.19.7. Dig0Pin (NID = 18h): ChSense ......................................................................................184
7.19.8. Dig0Pin (NID = 18h): ConfigDefault ...............................................................................185
7.20. DigBeep (NID = 19h): WCap .......................................................................................................187
7.20.1. DigBeep (NID = 19h): OutAmpCap ................................................................................188
7.20.2. DigBeep (NID = 19h): OutAmpLeft ................................................................................189
7.20.3. DigBeep (NID = 19h): PwrState .....................................................................................190
7.20.4. DigBeep (NID = 19h): Gen .............................................................................................190
7.20.5. DigBeep (NID = 19h): Gain ............................................................................................191
7.21. AdvancedFunctions (NID = 1Ah): WCap .....................................................................................191
7.21.1. AdvancedFunctions (NID = 1Ah): Cntrl0 ........................................................................193
7.21.2. AdvancedFunctions (NID = 1Ah): Cntrl1 ........................................................................193
7.21.3. AdvancedFunctions (NID = 1Ah): Cntrl2 ........................................................................194
7.21.4. AdvancedFunctions (NID = 1Ah): Cntrl3 ........................................................................194
8. PINOUT AND PACKAGING .................................................................................................. 208
IDT CONFIDENTIAL
©2012 INTEGRATED DEVICE TECHNOLOGY, INC.
5
V 0.91 06/12
92HD95
Datasheet pdf - http://www.DataSheet4U.co.kr/