92HD005/92HD005D
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
TABLE OF CONTENTS
1. DESCRIPTION .........................................................................................................................11
1.1. Overview ......................................................................................................................................... 11
1.2. Block Diagram ................................................................................................................................. 12
1.3. Detailed Description ........................................................................................................................ 13
1.3.1. Low-voltage High Definition Audio Link Signaling ............................................................. 13
1.3.2. Digital Microphone Support ............................................................................................... 13
1.3.3. Volume/Digital Microphone/GPIO Selection ...................................................................... 18
1.3.4. VRefOut/GPIO Selection ................................................................................................... 18
1.3.5. SPDIF Input ....................................................................................................................... 18
1.3.6. SPDIF Output .................................................................................................................... 18
1.3.7. Mono Output ...................................................................................................................... 19
1.3.8. Universal Jacks™ .............................................................................................................. 19
1.3.9. Power Management .......................................................................................................... 21
1.3.10. Analog PC-Beep .............................................................................................................. 21
1.3.11. Headphone Drivers .......................................................................................................... 21
1.3.12. Device IDs ....................................................................................................................... 22
2. CHARACTERISTICS ...............................................................................................................23
2.1. Electrical Specifications ................................................................................................................... 23
2.1.1. Absolute Maximum Ratings ............................................................................................... 23
2.1.2. Recommended Operating Conditions ............................................................................... 23
2.2. 92HD005/92HD005D 5.0V and 3.3V Analog Performance Characteristics .................................... 24
3. WIDGET INFORMATION AND SUPPORTED COMMAND VERBS .......................................28
3.1. Widget List 92HD005/92HD005D ................................................................................................... 29
3.2. Pin Configuration Default Register Settings .................................................................................... 30
3.3. Widget Information .......................................................................................................................... 31
3.4. Supported Command Verbs and Responses .................................................................................. 32
3.4.1. Root Node (NID = 0x00) .................................................................................................... 32
3.4.2. AFG Node (NID = 0x01) .................................................................................................... 33
3.4.3. PortA Node (NID = 0x0A) .................................................................................................. 53
3.4.4. PortB Node (NID = 0x0B) .................................................................................................. 59
3.4.5. PortC Node (NID = 0x0C) .................................................................................................. 65
3.4.6. PortD Node (NID = 0x0D) .................................................................................................. 71
3.4.7. PortE Node (NID = 0x0E) .................................................................................................. 77
3.4.8. PortF Node (NID = 0x0F) ................................................................................................... 82
3.4.9. DAC0 Node (NID = 0x10) .................................................................................................. 88
3.4.10. DAC1 Node (NID = 0x11) ................................................................................................ 93
3.4.11. ADC0 Node (NID = 0x12) ................................................................................................ 98
3.4.12. ADC1 Node (NID = 0x13) .............................................................................................. 103
3.4.13. PortMonoOut Node (NID = 0x14) .................................................................................. 108
3.4.14. MonoOutMix Node (NID = 0x15) ................................................................................... 113
3.4.15. CD Node (NID = 0x16) .................................................................................................. 114
3.4.16. DigMic0 Node (NID = 0x17) ........................................................................................... 118
3.4.17. DigMic1 Node (NID = 0x18) ........................................................................................... 121
3.4.18. InPort0Mux Node (NID = 0x19) ..................................................................................... 124
3.4.19. InPort1Mux Node (NID = 0x1A) ..................................................................................... 128
3.4.20. InPort0Vol Node (NID = 0x1B) ...................................................................................... 133
3.4.21. InPort1Vol Node (NID = 0x1C) ...................................................................................... 136
3.4.22. ADC0Mux Node (NID = 0x1D) ....................................................................................... 138
3.4.23. ADC1Mux Node (NID = 0x1E) ....................................................................................... 143
3.4.24. SPDIFOut Node (NID = 0x1F) ....................................................................................... 147
3.4.25. SPDIFIn Node (NID = 0x20) .......................................................................................... 152
3.4.26. DigOut Node (NID = 0x21) ............................................................................................ 161
IDT™
2
92HD005/92HD005D
V 1.0 12/06
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
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