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10-CHANNEL HIGH DEFINITION AUDIO CODEC
DATASHEET
92HD700
Description
The 92HD700 is a Theater Quality 10-channel audio
CODEC that enables systems with 7.1 audio playing
simultaneously with VoIP or another stereo audio stream.
IDT's proprietary SD technology provides high fidelity with a
DAC SNR of 95dB.
Features
High performance HD Audio CODEC provides
Theater Quality Audio
Targeted for designs meeting Premium Windows
Logo Program
High performance SD technology
95dB DAC SNR
90dB ADC SNR
Five stereo DACs and two 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
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
Volume Up/Down Control
Jack Insertion Detect and Impedance Sensing
supports Jack Retasking and Universal Jacks
Digital PC Beep to all outputs
+5 V Analog Power Supply
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
Dynamic Processing SKPI plug-in
Enables improved voice articulation
Compressor/limiter allows higher average noise level
without resonances
Dolby PC Entertainment Experience Logo Program
Dolby Home Theater™
Dolby Sound Room™
Dolby Technologies
Dolby Headphone™, Dolby Virtual Speaker™
Dolby ProLogic II™, Dolby ProLogic IIx™
Dolby Digital Live™
Intel Audio Studiofrom Sonic Focus
Maxx Playerfrom Waves
Microphone Beam Forming, Acoustic Echo
Cancellation, & Noise Suppression from Knowles
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
1
IDT CONFIDENTIAL
92HD700
V 1.2 112006

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92HD700
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table of Contents
1. DESCRIPTION ......................................................................................................................... 12
2. CHARACTERISTICS ............................................................................................................... 13
2.1. Audio Fidelity ................................................................................................................................... 13
2.2. Electrical Specifications ................................................................................................................... 13
2.3. 92HD700 5 V Analog Performance Characteristics ........................................................................ 14
3. DETAILED DESCRIPTION ...................................................................................................... 18
3.1. Universal Jacks™ ............................................................................................................................ 18
3.2. SPDIF Input ..................................................................................................................................... 19
3.3. SPDIF Output .................................................................................................................................. 19
3.4. Headphone Drivers (Restrictions) ................................................................................................... 20
3.5. Device IDs ....................................................................................................................................... 20
4. FUNCTIONAL BLOCK DIAGRAMS ........................................................................................ 21
4.1. 92HD700 ......................................................................................................................................... 21
5. WIDGET DIAGRAM ................................................................................................................. 22
5.1. Pin Configuration Default Register Settings .................................................................................... 23
6. WIDGET INFORMATION FOR THE 92HD700 FAMILY ........................................................ 24
6.1. Root Node (NID = 0x00) .................................................................................................................. 26
6.2. AFG Node (NID = 0x01) .................................................................................................................. 27
6.3. DAC0 Node (NID = 0x02) ................................................................................................................ 44
6.4. DAC1 Node (NID = 0x03) ................................................................................................................ 48
6.5. DAC2 Node (NID = 0x04) ................................................................................................................ 53
6.6. DAC3 Node (NID = 0x05) ................................................................................................................ 58
6.7. DAC4 Node (NID = 0x06) ................................................................................................................ 63
6.8. ADC0 Node (NID = 0x07) ................................................................................................................ 67
6.9. ADC1 Node (NID = 0x08) ................................................................................................................ 72
6.10. SPDIFOut Node (NID = 0x1E) ....................................................................................................... 77
6.11. SPDIFIn Node (NID = 0x20) .......................................................................................................... 82
6.12. PortA Node (NID = 0x0A) .............................................................................................................. 90
6.13. PortB Node (NID = 0x0B) .............................................................................................................. 96
6.14. PortC Node (NID = 0x0C) ............................................................................................................ 102
6.15. PortD Node (NID = 0x0D) ............................................................................................................ 108
6.16. PortE Node (NID = 0x0E) ............................................................................................................ 113
6.17. PortF Node (NID = 0x0F) ............................................................................................................ 118
6.18. PortG Node (NID = 0x10) ............................................................................................................ 124
6.19. PortH Node (NID = 0x11) ............................................................................................................ 129
6.20. DigOut0 Node (NID = 0x21) ........................................................................................................ 134
6.21. InPort0Mux Node (NID = 0x15) ................................................................................................... 138
6.22. InPort1Mux Node (NID = 0x16) ................................................................................................... 143
6.23. PCBEEP Node (NID = 0x23) ....................................................................................................... 148
6.24. CD Node (NID = 0x12) ................................................................................................................ 150
6.25. VolumeKnob Node (NID = 0x24) ................................................................................................. 153
6.26. InPort0Vol Node (NID = 0x18) ..................................................................................................... 157
6.27. InPort1Vol Node (NID = 0x19) ..................................................................................................... 160
6.28. ADC0Mux Node (NID = 0x1B) ..................................................................................................... 163
6.29. ADC1Mux Node (NID = 0x1C) .................................................................................................... 167
7. ORDERING INFORMATION .................................................................................................. 172
7.1. 92HD700 Family Options and Part Order Numbers ...................................................................... 172
8. PIN INFORMATION ............................................................................................................... 173
8.1. 92HD700 48-Pin LQFP Diagram ................................................................................................... 173
8.2. Pin Table for 92HD700 in 48 Pin LQFP ......................................................................................... 173
9. PACKAGE OUTLINE AND PACKAGE DIMENSIONS ......................................................... 176
9.1. 48-Pin LQFP .................................................................................................................................. 176
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
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IDT CONFIDENTIAL
92HD700
V 1.2 112006

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92HD700
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
10. SOLDER REFLOW PROFILE ............................................................................................. 177
10.1. Standard Reflow Profile Data ...................................................................................................... 177
10.2. Pb Free Process - Package Classification Reflow Temperatures ............................................... 178
11. REVISION HISTORY ........................................................................................................... 179
List of Figures
Figure 1. 92HD700 Functional Block Diagram ............................................................................................. 21
Figure 2. 92HD700 Widget Diagram ............................................................................................................. 22
Figure 3. 48-Pin LQFP Pinout .................................................................................................................... 173
Figure 4. 48-Pin LQFP Package Outline and Package Dimensions ........................................................... 176
Figure 5. Solder Reflow Profile ................................................................................................................... 177
List of Tables
Table 1. Impedance Sense Levels ................................................................................................................ 19
Table 2. CODEC IDs ..................................................................................................................................... 20
Table 3. Pin Configuration Default Settings ................................................................................................... 23
Table 4. High Definition Audio Widget ........................................................................................................... 24
Table 5. Root ID Command Verb Format ...................................................................................................... 26
Table 6. Root ID Command Response Format ............................................................................................. 26
Table 7. Root RevID Command Verb Format ................................................................................................ 26
Table 8. Root RevID Command Response Format ....................................................................................... 26
Table 9. Root NodeInfo Command Verb Format ........................................................................................... 27
Table 10. Root NodeInfo Command Response Format ................................................................................ 27
Table 11. AFG Reset Command Verb Format .............................................................................................. 27
Table 12. AFG Reset Command Response Format ...................................................................................... 27
Table 13. AFG NodeInfo Command Verb Format ......................................................................................... 28
Table 14. AFG NodeInfo Command Response Format ................................................................................. 28
Table 15. AFG Type Command Verb Format ................................................................................................ 28
Table 16. AFG Type Command Response Format ....................................................................................... 28
Table 17. AFG Cap Command Verb Format ................................................................................................. 28
Table 18. AFG Cap Command Response Format ......................................................................................... 29
Table 19. AFG PCMCap Command Verb Format ......................................................................................... 29
Table 20. AFG PCMCap Command Response Format ................................................................................. 29
Table 21. AFG Stream Command Verb Format ............................................................................................ 30
Table 22. AFG Stream Command Response Format .................................................................................... 30
Table 23. AFG InAmpCap Command Verb Format ....................................................................................... 31
Table 24. AFG InAmpCap Command Response Format .............................................................................. 31
Table 25. AFG SupPwrState Command Verb Format ................................................................................... 31
Table 26. AFG SupPwrState Command Response Format .......................................................................... 31
Table 27. AFG GPIOCnt Command Verb Format ......................................................................................... 32
Table 28. AFG GPIOCnt Command Response Format ................................................................................. 32
Table 29. AFG OutAmpCap Command Verb Format .................................................................................... 32
Table 30. AFG OutAmpCap Command Response Format ........................................................................... 33
Table 31. AFG PwrState Command Verb Format ......................................................................................... 33
Table 32. AFG PwrState Command Response Format ................................................................................. 33
Table 33. AFG UnsolResp Command Verb Format ...................................................................................... 34
Table 34. AFG UnsolResp Command Response Format .............................................................................. 34
Table 35. AFG GPIO Command Verb Format ............................................................................................... 34
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
3
IDT CONFIDENTIAL
92HD700
V 1.2 112006