92HD92 Datasheet, PDF (4/306 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD92
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
2.28.13. I2C control interface .......................................................................................................47
2.28.14. Register Write Cycle ......................................................................................................47
2.28.15. Multiple Write Cycle .......................................................................................................47
2.29. Register Read Cycle ......................................................................................................................48
2.29.1. Multiple Read Cycle .........................................................................................................48
2.29.2. I2C Registers ...................................................................................................................49
3. CHARACTERISTICS ............................................................................................................... 72
3.1. Electrical Specifications ...................................................................................................................72
3.1.1. Absolute Maximum Ratings ...............................................................................................72
3.1.2. Recommended Operating Conditions ................................................................................72
3.2. 92HD92 Analog Performance Characteristics (PRELIMINARY) ......................................................................73
3.3. Class-D BTL Amplifier Performance ................................................................................................76
3.4. Capless Headphone Supply Characteristics ....................................................................................77
3.5. AC Timing Specs .............................................................................................................................77
3.5.1. HD Audio Bus Timing .........................................................................................................77
3.5.2. SPDIF Timing .....................................................................................................................78
3.5.3. Digital Microphone Timing .................................................................................................78
3.5.4. GPIO Characteristics .........................................................................................................78
3.5.5. I2S Interface Timing ...........................................................................................................79
4. FUNCTIONAL BLOCK DIAGRAM .......................................................................................... 80
5. WIDGET DIAGRAM ................................................................................................................ 81
6. PORT AND PIN CONFIGURATIONS ..................................................................................... 82
6.1. Port Configurations ..........................................................................................................................82
6.2. Pin Configuration Default Register Settings .....................................................................................83
7. WIDGET INFORMATION ........................................................................................................ 84
7.1. Widget List .......................................................................................................................................85
7.2. Reset Key ........................................................................................................................................86
7.3. Root (NID = 00h): VendorID ............................................................................................................86
7.3.1. Root (NID = 00h): RevID ....................................................................................................87
7.3.2. Root (NID = 00h): NodeInfo ...............................................................................................87
7.4. AFG (NID = 01h): NodeInfo .............................................................................................................88
7.4.1. AFG (NID = 01h): FGType .................................................................................................88
7.4.2. AFG (NID = 01h): AFGCap ................................................................................................89
7.4.3. AFG (NID = 01h): PCMCap ...............................................................................................90
7.4.4. AFG (NID = 01h): StreamCap ............................................................................................91
7.4.5. AFG (NID = 01h): InAmpCap .............................................................................................92
7.4.6. AFG (NID = 01h): PwrStateCap .........................................................................................93
7.4.7. AFG (NID = 01h): GPIOCnt ...............................................................................................94
7.4.8. AFG (NID = 01h): OutAmpCap ..........................................................................................94
7.4.9. AFG (NID = 01h): PwrState ...............................................................................................95
7.4.10. AFG (NID = 01h): UnsolResp ..........................................................................................96
7.4.11. AFG (NID = 01h): GPIO ...................................................................................................96
7.4.12. AFG (NID = 01h): GPIOEn ...............................................................................................97
7.4.13. AFG (NID = 01h): GPIODir ..............................................................................................98
7.4.14. AFG (NID = 01h): GPIOWakeEn .....................................................................................99
7.4.15. AFG (NID = 01h): GPIOUnsol ........................................................................................100
7.4.16. AFG (NID = 01h): GPIOSticky .......................................................................................101
7.4.17. AFG (NID = 01h): SubID ................................................................................................101
7.4.18. AFG (NID = 01h): GPIOPlrty ..........................................................................................102
7.4.19. AFG (NID = 01h): GPIODrive .........................................................................................103
7.4.20. AFG (NID = 01h): DMic ..................................................................................................104
7.4.21. AFG (NID = 01h): DACMode .........................................................................................105
7.4.22. AFG (NID = 01h): ADCMode .........................................................................................106
7.4.23. AFG (NID = 01h): PortUse .............................................................................................107
7.4.24. AFG (NID = 01h): ComJack ...........................................................................................108
7.4.25. AFG (NID = 01h): VSPwrState .......................................................................................109
7.4.26. AFG (NID = 01h): AnaPort .............................................................................................110
7.4.27. AFG (NID = 01h): AnaBTL .............................................................................................111
7.4.28. AFG (NID = 01h): AnaBTLStatus ...................................................................................113
IDT CONFIDENTIAL
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©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
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92HD92