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8-CHANNEL HIGH DEFINITION AUDIO CODEC
DATASHEET
92HD202
DESCRIPTION
The 92HD202 is a high fidelity, 8-channel audio CODEC
compatible with Intel’s High Definition (HD) Audio Interface.
The 92HD202 CODEC provides stereo 24-bit resolution
with sample rates up to 192 KHz. SPDIF I/O provides
connectivity to consumer electronic equipment. The
92HD202 CODEC incorporates IDT's proprietary Σ∆
technology to achieve an estimated DAC SNR in excess of
95dB. The 92HD202 CODEC provides high quality
HD Audio capability to notebook and media centric desktop
PC applications.
FEATURES
High performance HD Audio CODEC provides
Theater Quality Audio
Targeted for designs meeting Premium Windows
Logo Program
High performance Σ∆ technology
95dB DAC SNR
Intel HD Audio interface
Eight Channel (4 DAC pairs and 2 stereo ADCs)
with 24-bit resolution
Sample Rates Up to 192 KHz
Integrated Headphone Amps
Stereo Microphone
Supports Stereo Microphone
Microphone Boost 0, 10, 20, 30, 40dB
Direct CDROM Recording Mixerless Design
SPDIF In and Out
Two-Pin Volume Up/Down Control
Impedance Sensing
Universal JacksFunctionality for Jack Retasking
Headphone, Line Out, Line In and Microphone Support
Pins 35/36
Pins 39/41
Line Out, Line In and Microphone Support
Pins 16/17 (with strong line out)
Pins 23/24
Pins 21/22
Line In and Microphone Support
Pins 14/15
Four Adjustable VREF Out pins for Microphone
Bias
Digital PC Beep to all outputs
+5 V Analog Power Supply
48-pin LQFP package (7mm x 7mm)
THIRD PARTY SOFTWARE SUPPORT
WOWand Tru Surroundfrom SRS
Intellisonic Microphone Beam Forming from
Knowles
Maxx BASSfrom Waves
Dolby PC Audio Logo Program
Program Levels
Dolby Sound Room
Dolby Home Theater
Dolby Technologies
Dolby Headphone
Dolby ProLogic II
Dolby Virtual Speaker
Smart Streamfrom Sonic Focus
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
1
IDT CONFIDENTIAL
92HD202
REV 1.2 112006

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92HD202
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table of Contents
1. DESCRIPTION ......................................................................................................................... 11
1.1. Overview ......................................................................................................................................... 11
1.2. Features List .................................................................................................................................... 11
1.3. Third Party Software Support .......................................................................................................... 12
1.4. Detailed Description ........................................................................................................................ 12
2. CHARACTERISTICS ............................................................................................................... 14
2.1. Audio Fidelity ................................................................................................................................... 14
2.2. Electrical Specifications ................................................................................................................... 14
2.3. 92HD202/92HD202D 5 V Analog Performance Characteristics ...................................................... 16
2.4. Power Consumption ........................................................................................................................ 18
3. DETAILED DESCRIPTION ...................................................................................................... 19
3.1. Audio Jack Presence Detect ........................................................................................................... 19
3.2. Universal Jacks ............................................................................................................................... 19
3.3. SPDIF Input ..................................................................................................................................... 20
3.4. SPDIF Output .................................................................................................................................. 20
4. BLOCK AND FUNCTIONAL DIAGRAMS ............................................................................... 21
4.1. 92HD202 functional Block Diagram ................................................................................................. 21
4.2. 92HD202 Typical Connection Diagram for 48-pin LQFP ................................................................. 22
4.3. 92HD202 Split Independent Power Supply for 48-pin LQFP ........................................................... 23
5. 92HD202 WIDGET DIAGRAM ................................................................................................. 24
6. 92HD202 WIDGET LIST ......................................................................................................... 25
7. WIDGET INFORMATION .........................................................................................................26
7.1. Root Node (NID = 0x00) .................................................................................................................. 26
7.2. AFG Node (NID = 0x01) .................................................................................................................. 28
7.3. DAC0 Node (NID = 0x02) ................................................................................................................ 44
7.4. DAC1 Node (NID = 0x03) ................................................................................................................ 49
7.5. DAC2 Node (NID = 0x04) ................................................................................................................ 55
7.6. DAC3 Node (NID = 0x05) ................................................................................................................ 60
7.7. ADC0 Node (NID = 0x06) ................................................................................................................ 66
7.8. ADC1 Node (NID = 0x07) ................................................................................................................ 71
7.9. SPDIFOut Node (NID = 0x08) ......................................................................................................... 77
7.10. SPDIFIn Node (NID = 0x09) .......................................................................................................... 82
7.11. PortA Node (NID = 0x0A) .............................................................................................................. 89
7.12. PortB Node (NID = 0x0B) .............................................................................................................. 95
7.13. PortC Node (NID = 0x0C) ............................................................................................................ 101
7.14. PortD Node (NID = 0x0D) ............................................................................................................ 107
7.15. PortE Node (NID = 0x0E) ............................................................................................................ 113
7.16. PortF Node (NID = 0x0F) ............................................................................................................ 117
7.17. DigOut0 Node (NID = 0x10) ........................................................................................................ 123
7.18. DigIn Node (NID = 0x11) ............................................................................................................. 128
7.19. ADC0Mux Node (NID = 0x12) ..................................................................................................... 134
7.20. ADC1Mux Node (NID = 0x13) ..................................................................................................... 139
7.21. PCBEEP Node (NID = 0x14) ....................................................................................................... 144
7.22. CD Node (NID = 0x15) ................................................................................................................ 147
7.23. VolumeKnob Node (NID = 0x16) ................................................................................................. 150
7.24. ADC0Vol Node (NID = 0x17) ....................................................................................................... 153
7.25. ADC1Vol Node (NID = 0x18) ....................................................................................................... 157
8. ORDERING INFORMATION .................................................................................................. 161
8.1. 92HD202 Part Order Numbers ...................................................................................................... 161
9. PIN INFORMATION ............................................................................................................... 162
9.1. 92HD202 Pin Diagram .................................................................................................................. 162
9.2. Pin Table for 92HD202 in 48 Pin LQFP ......................................................................................... 163
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
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IDT CONFIDENTIAL
92HD202
REV 1.2 112006

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92HD202
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
10. PACKAGE OUTLINE AND PACKAGE DIMENSIONS ....................................................... 165
10.1. 48-Pin LQFP ................................................................................................................................ 165
11. SOLDER REFLOW PROFILE ............................................................................................. 166
11.1. Standard Reflow Profile Data ...................................................................................................... 166
11.2. Pb Free Process - Package Classification Reflow Temperatures ............................................... 167
12. REVISION HISTORY ........................................................................................................... 168
List of Figures
Figure 1. Functional Block Diagram - 92HD202 ........................................................................................... 21
Figure 2. Typical Connection Diagram for 48-pin LQFP 92HD202 ............................................................... 22
Figure 3. Split Independent Power Supply for 48-pin LQFP 92HD202 ......................................................... 23
Figure 4. 92HD202 Widget Diagrams ............................................................................................................ 24
Figure 5. 48-Pin LQFP Pinout .................................................................................................................... 162
Figure 6. 48-Pin LQFP Package Outline and Package Dimensions ........................................................... 165
Figure 7. Solder Reflow Profile ................................................................................................................... 166
List of Tables
Table 1. Digital Power Consumption - DVdd = 3.3 V ..................................................................................... 18
Table 2. Analog Power Consumption - AVdd = 5 V ....................................................................................... 18
Table 3. High Definition Audio Widget ........................................................................................................... 25
Table 4. Root ID Command Verb Format ...................................................................................................... 26
Table 5. Root ID Command Response Format ............................................................................................. 26
Table 6. Root RevID Command Verb Format ................................................................................................ 26
Table 7. Root RevID Command Response Format ....................................................................................... 26
Table 8. Root NodeInfo Command Verb Format ........................................................................................... 27
Table 9. Root NodeInfo Command Response Format .................................................................................. 27
Table 10. AFG Reset Command Verb Format .............................................................................................. 28
Table 11. AFG Reset Command Response Format ...................................................................................... 28
Table 12. AFG NodeInfo Command Verb Format ......................................................................................... 28
Table 13. AFG NodeInfo Command Response Format ................................................................................. 28
Table 14. AFG Type Command Verb Format ................................................................................................ 29
Table 15. AFG Type Command Response Format ....................................................................................... 29
Table 16. AFG Cap Command Verb Format ................................................................................................. 29
Table 17. AFG Cap Command Response Format ......................................................................................... 29
Table 18. AFG PCMCap Command Verb Format ......................................................................................... 30
Table 19. AFG PCMCap Command Response Format ................................................................................. 30
Table 20. AFG Stream Command Verb Format ............................................................................................ 31
Table 21. AFG Stream Command Response Format .................................................................................... 31
Table 22. AFG InAmpCap Command Verb Format ....................................................................................... 32
Table 23. AFG InAmpCap Command Response Format .............................................................................. 32
Table 24. AFG SupPwrState Command Verb Format ................................................................................... 32
Table 25. AFG SupPwrState Command Response Format .......................................................................... 32
Table 26. AFG GPIOCnt Command Verb Format ......................................................................................... 33
Table 27. AFG GPIOCnt Command Response Format ................................................................................. 33
Table 28. AFG GPIO Polarity Command Verb Format .................................................................................. 34
Table 29. AFG GPIO Polarity Command Response Format ......................................................................... 34
Table 30. AFG OutAmpCap Command Verb Format .................................................................................... 35
Table 31. AFG OutAmpCap Command Response Format ........................................................................... 35
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
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IDT CONFIDENTIAL
92HD202
REV 1.2 112006

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92HD202
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 32. AFG PwrState Command Verb Format ......................................................................................... 36
Table 33. AFG PwrState Command Response Format ................................................................................. 36
Table 34. AFG UnsolResp Command Verb Format ...................................................................................... 37
Table 35. AFG UnsolResp Command Response Format .............................................................................. 37
Table 36. AFG GPIO Command Verb Format ............................................................................................... 37
Table 37. AFG GPIO Command Response Format ...................................................................................... 38
Table 38. AFG GPIOEn Command Verb Format .......................................................................................... 38
Table 39. AFG GPIOEn Command Response Format .................................................................................. 39
Table 40. AFG GPIODir Command Verb Format .......................................................................................... 39
Table 41. AFG GPIODir Command Response Format .................................................................................. 39
Table 42. AFG GPIOWakeEn Command Verb Format ................................................................................. 40
Table 43. AFG GPIOWakeEn Command Response Format ......................................................................... 40
Table 44. AFG GPIOUnsol AFG GPIOUnsol Command Verb Format .......................................................... 41
Table 45. AFG GPIOUnsol Command Response Format ............................................................................. 41
Table 46. AFG GPIOSticky Command Verb Format ..................................................................................... 42
Table 47. AFG GPIOSticky Command Response Format ............................................................................. 42
Table 48. AFG SubID Command Verb Format .............................................................................................. 43
Table 49. AFG SubID Command Response Format ..................................................................................... 44
Table 50. DAC0 Cnvtr Command Verb Format ............................................................................................. 44
Table 51. DAC0 Cnvtr Command Response Format .................................................................................... 44
Table 52. DAC0 AmpRight Command Verb Format ...................................................................................... 45
Table 53. DAC0 AmpRight Command Response Format ............................................................................. 45
Table 54. DAC0 AmpLeft Command Verb Format ........................................................................................ 46
Table 55. DAC0 AmpLeft Command Response Format ................................................................................ 46
Table 56. DAC0 WCap Command Verb Format ............................................................................................ 46
Table 57. DAC0 WCap Command Response Format ................................................................................... 46
Table 58. DAC0 PwrState Command Verb Format ....................................................................................... 47
Table 59. DAC0 PwrState Command Response Format .............................................................................. 48
Table 60. DAC0 CnvtrID Command Verb Format ......................................................................................... 48
Table 61. DAC0 CnvtrID Command Response Format ................................................................................. 48
Table 62. DAC0 LR Command Verb Format ................................................................................................. 49
Table 63. DAC0 LR Command Response Format ........................................................................................ 49
Table 64. DAC1 Cnvtr Command Verb Format ............................................................................................. 49
Table 65. DAC1 Cnvtr Command Response Format .................................................................................... 49
Table 66. DAC1 AmpRight Command Verb Format ...................................................................................... 50
Table 67. DAC1 AmpRight Command Response Format ............................................................................. 51
Table 68. DAC1 AmpLeft Command Verb Format ........................................................................................ 51
Table 69. DAC1 AmpLeft Command Response Format ................................................................................ 51
Table 70. DAC1 WCap Command Verb Format ............................................................................................ 51
Table 71. DAC1 WCap Command Response Format ................................................................................... 52
Table 72. DAC1 PwrState Command Verb Format ....................................................................................... 53
Table 73. DAC1 PwrState Command Response Format .............................................................................. 53
Table 74. DAC1 CnvtrID Command Verb Format ......................................................................................... 53
Table 75. DAC1 CnvtrID Command Response Format ................................................................................. 54
Table 76. DAC1 LR Command Verb Format ................................................................................................. 54
Table 77. DAC1 LR Command Response Format ........................................................................................ 54
Table 78. DAC2 Cnvtr Command Verb Format ............................................................................................. 55
Table 79. DAC2 Cnvtr Command Response Format .................................................................................... 55
Table 80. DAC2 AmpRight Command Verb Format ...................................................................................... 56
Table 81. DAC2 AmpRight Command Response Format ............................................................................. 56
Table 82. DAC2 AmpLeft Command Verb Format ........................................................................................ 57
Table 83. DAC2 AmpLeft Command Response Format ................................................................................ 57
Table 84. DAC2 WCap Command Verb Format ............................................................................................ 57
Table 85. DAC2 WCap Command Response Format ................................................................................... 57
Table 86. DAC2 PwrState Command Verb Format ....................................................................................... 58
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
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IDT CONFIDENTIAL
92HD202
REV 1.2 112006

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92HD202
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 87. DAC2 PwrState Command Response Format .............................................................................. 58
Table 88. DAC2 CnvtrID Command Verb Format ......................................................................................... 59
Table 89. DAC2 CnvtrID Command Response Format ................................................................................. 59
Table 90. DAC2 LR Command Verb Format ................................................................................................. 60
Table 91. DAC2 LR Command Response Format ........................................................................................ 60
Table 92. DAC3 Cnvtr Command Verb Format ............................................................................................. 60
Table 93. DAC3 Cnvtr Command Response Format .................................................................................... 60
Table 94. DAC3 AmpRight Command Verb Format ...................................................................................... 61
Table 95. DAC3 AmpRight Command Response Format ............................................................................. 62
Table 96. DAC3 AmpLeft Command Verb Format ........................................................................................ 62
Table 97. DAC3 AmpLeft Command Response Format ................................................................................ 62
Table 98. DAC3 WCap Command Verb Format ............................................................................................ 62
Table 99. DAC3 WCap Command Response Format ................................................................................... 63
Table 100. DAC3 PwrState Command Verb Format ..................................................................................... 64
Table 101. DAC3 PwrState Command Response Format ............................................................................ 64
Table 102. DAC3 CnvtrID Command Verb Format ....................................................................................... 64
Table 103. DAC3 CnvtrID Command Response Format ............................................................................... 65
Table 104. DAC3 LR Command Verb Format ............................................................................................... 65
Table 105. DAC3 LR Command Response Format ...................................................................................... 65
Table 106. ADC0 Cnvtr Command Verb Format ........................................................................................... 66
Table 107. ADC0 Cnvtr Command Response Format .................................................................................. 66
Table 108. ADC0 WCap Command Verb Format .......................................................................................... 67
Table 109. ADC0 WCap Command Response Format ................................................................................. 67
Table 110. ADC0 ConLst Command Verb Format ........................................................................................ 68
Table 111. ADC0 ConLst Command Response Format ................................................................................ 68
Table 112. ADC0 ConLstEntry Command Verb Format ................................................................................ 69
Table 113. ADC0 ConLstEntry Command Response Format ....................................................................... 69
Table 114. ADC0 ProcState Command Verb Format .................................................................................... 69
Table 115. ADC0 ProcState Command Response Format ........................................................................... 69
Table 116. ADC0 PwrState Command Verb Format ..................................................................................... 70
Table 117. ADC0 PwrState Command Response Format ............................................................................ 70
Table 118. ADC0 CnvtrID Command Verb Format ....................................................................................... 71
Table 119. ADC0 CnvtrID Command Response Format ............................................................................... 71
Table 120. ADC1 Cnvtr Command Verb Format ........................................................................................... 71
Table 121. ADC1 Cnvtr Command Response Format .................................................................................. 71
Table 122. ADC1 WCap Command Verb Format .......................................................................................... 72
Table 123. ADC1 WCap Command Response Format ................................................................................. 73
Table 124. ADC1 ConLst Command Verb Format ........................................................................................ 74
Table 125. ADC1 ConLst Command Response Format ................................................................................ 74
Table 126. ADC1 ConLstEntry Command Verb Format ................................................................................ 74
Table 127. ADC1 ConLstEntry Command Response Format ....................................................................... 74
Table 128. ADC1 ProcState Command Verb Format .................................................................................... 75
Table 129. ADC1 ProcState Command Response Format ........................................................................... 75
Table 130. ADC1 PwrState Command Verb Format ..................................................................................... 75
Table 131. ADC1 PwrState Command Response Format ............................................................................ 75
Table 132. ADC1 CnvtrID Command Verb Format ....................................................................................... 76
Table 133. ADC1 CnvtrID Command Response Format ............................................................................... 76
Table 134. SPDIFOut Cnvtr Command Verb Format .................................................................................... 77
Table 135. SPDIFOut Cnvtr Command Response Format ............................................................................ 77
Table 136. SPDIFOut WCap Command Verb Format ................................................................................... 78
Table 137. SPDIFOut WCap Command Response Format .......................................................................... 78
Table 138. SPDIFOut PCM Command Verb Format ..................................................................................... 79
Table 139. SPDIFOut PCM Command Response Format ............................................................................ 79
Table 140. SPDIFOut Stream Command Verb Format ................................................................................. 80
Table 141. SPDIFOut Stream Command Response Format ......................................................................... 80
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
5
IDT CONFIDENTIAL
92HD202
REV 1.2 112006