92HD71B5 Datasheet PDF - IDT
Part Number | 92HD71B5 | |
Description | 4-CHANNEL HD AUDIO CODEC OPTIMIZED | |
Manufacturers | IDT | |
Logo | ||
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DATASHEET
4-CHANNEL HD AUDIO CODECS OPTIMIZED
FOR LOW POWER
92HD71B5
Description
The 92HD71B5 codec is a low power optimized, high
fidelity, 4-channel audio codec compatible with Intel’s High
Definition (HD) Audio Interface. The 92HD71B5 codec
provides stereo 24-bit resolution with sample rates up to
192kHz. Dual SPDIF provides connectivity to consumer
electronic equipment that is WLP complaint. The
92HD71B5 provides high quality, HD Audio capability to
notebook and business desktop PC applications.
Features
• 4 Channels (2 stereo DACs and 2 stereo ADCs) with
24-bit resolution
• Supports full-duplex stereo audio and simultaneous VoIP
• Provides a mono output for laptop sub-woofer
• Microsoft WLP 3/4 premium logo compliant, as
defined in WLP 3.09
• Optimized and flexible power management with
pop/click mitigation
• 2 independent S/PDIF Output converters for WLP
compliant HDMI/SPDIF support.
• Support for 1.5V and 3.3V HDA signaling with
runtime selection
• Digital microphone input (mono, stereo, or quad
array)
• 2 Adjustable VREF Out pins for microphone bias
• 4 analog ports
• Supports to 2 stereo microphone inputs
• Two-pin volume up/down control
• Digital PC Beep to all outputs
• Integrated headphone amp
• Jack insertion detection
• Sample rates up to 192kHz
• +3.3 V, +4 V, +4.75 V and +5 V analog power supply
options
• 48-pin QFP and 48-pad QFN RoHS packages
Preliminary Datasheet
Block Diagram
X
DUAL SPDIF
Port A
Port B
Port C
Port D
SPDIF Out 1
SPDIF Out 2
IDT™ CONFIDENTIAL AND PROPRIETARY
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
1
92HD71B5
V 0.9 09/07
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92HD71B5
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
PC AUDIO
8.8.3. DAC1 OutAmpLeft .............................................................................................................87
8.8.4. DAC1 OutAmpRight ...........................................................................................................88
8.8.5. DAC1 PwrState ..................................................................................................................88
8.8.6. DAC1 CnvtrID ....................................................................................................................89
8.8.7. DAC1 LR ............................................................................................................................89
8.9. ADC0 Node (NID = 12) ....................................................................................................................90
8.9.1. ADC0 WCap ......................................................................................................................90
8.9.2. ADC0 ConLst .....................................................................................................................91
8.9.3. ADC0 ConLstEntry0 ...........................................................................................................92
8.9.4. ADC0 Cnvtr ........................................................................................................................92
8.9.5. ADC0 ProcState .................................................................................................................93
8.9.6. ADC0 PwrState ..................................................................................................................94
8.9.7. ADC0 CnvtrID ....................................................................................................................94
8.10. ADC1 Node (NID = 13) ..................................................................................................................95
8.10.1. ADC1 WCap ....................................................................................................................95
8.10.2. ADC1 ConLst ...................................................................................................................96
8.10.3. ADC1 ConLstEntry0 .........................................................................................................96
8.10.4. ADC1 Cnvtr ......................................................................................................................97
8.10.5. ADC1 ProcState ...............................................................................................................98
8.10.6. ADC1 PwrState ................................................................................................................98
8.10.7. ADC1 CnvtrID ..................................................................................................................99
8.11. MonoOut Node (NID = 14) .............................................................................................................99
8.11.1. MonoOut WCap ...............................................................................................................99
8.11.2. MonoOut PinCap ...........................................................................................................101
8.11.3. MonoOut ConLst ............................................................................................................102
8.11.4. MonoOut ConLstEntry0 .................................................................................................102
8.11.5. MonoOut PinWCntrl .......................................................................................................103
8.11.6. MonoOut InAmpLeft .......................................................................................................103
8.11.7. MonoOut ConfigDefault .................................................................................................103
8.12. MonoMux Node (NID = 15) ..........................................................................................................105
8.12.1. MonoMux WCap ............................................................................................................105
8.12.2. MonoMux ConLst ...........................................................................................................106
8.12.3. MonoMux ConLstEntry0 ................................................................................................106
8.12.4. MonoMux ConSelectCtrl ................................................................................................107
8.13. MonoMixer Node (NID = 16) ........................................................................................................107
8.13.1. MonoMixer WCap ..........................................................................................................107
8.13.2. MonoMixer ConLst .........................................................................................................109
8.13.3. MonoMixer ConLstEntry0 ..............................................................................................109
8.14. DMic0 Node (NID = 18) ...............................................................................................................110
8.14.1. DMic0 WCap ..................................................................................................................110
8.14.2. DMic0 PinCap ................................................................................................................111
8.14.3. DMic0 PinWCntrl ............................................................................................................112
8.14.4. DMic0 OutAmpCap ........................................................................................................112
8.14.5. DMic0 OutAmpLeft .........................................................................................................113
8.14.6. DMic0 OutAmpRight ......................................................................................................113
8.14.7. DMic0 ConfigDefault ......................................................................................................114
8.15. DMic1 Node (NID = 19) ...............................................................................................................115
8.15.1. DMic1 WCap ..................................................................................................................115
8.15.2. DMic1 PinCap ................................................................................................................116
8.15.3. DMic1 PinWCntrl ............................................................................................................117
8.15.4. DMic1 OutAmpCap ........................................................................................................118
8.15.5. DMic1 OutAmpLeft .........................................................................................................119
8.15.6. DMic1 OutAmpRight ......................................................................................................119
8.15.7. DMic1 ConfigDefault ......................................................................................................119
8.16. InPort0Mux Node (NID = 1A) .......................................................................................................121
IDT™ CONFIDENTIAL AND PROPRIETARY
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
5
92HD71B5
V 0.9 09/07
Preview 5 Page |
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