92hd81 Integrated Device Technology, 92hd81 Datasheet - Page 9

• Manufacturer Part Number: 92hd81
• Description: Single Chip Pc Audio System
• Manufacturer: Integrated Device Technology

SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
LIST OF FIGURES
LIST OF TABLES
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
11. DOCUMENT REVISION HISTORY .................................................................................... 293
Figure 1. 92HD81 Block Diagram ..................................................................................................................11
Figure 2. System Diagram ............................................................................................................................11
Figure 3. Multi-channel capture ......................................................................................................................22
Figure 4. Multi-channel timing diagram ..........................................................................................................22
Figure 5. Single Digital Microphone (data is ported to both left and right channels .......................................25
Figure 6. Stereo Digital Microphone Configuration ........................................................................................26
Figure 7. Quad Digital Microphone Configuration ..........................................................................................27
Figure 8. HP EAPD Example to be replaced by single pin for internal amp ..................................................32
Figure 9. HD Audio Bus Timing ......................................................................................................................45
Figure 10. Functional Block Diagram .............................................................................................................48
Figure 11. Widget Diagram ............................................................................................................................49
Figure 12. Desktop Port Configurations .........................................................................................................50
Figure 13. Port Configuration .........................................................................................................................51
Figure 14. Pin Assignment ...........................................................................................................................288
Figure 15. 48QFN Package Diagram ...........................................................................................................291
Figure 16. Solder Reflow Profile ..................................................................................................................292
Table 1. Port Functionality .............................................................................................................................12
Table 2. Analog Output Port Behavior ...........................................................................................................13
Table 3. SPDIF OUT 0 Behavior ....................................................................................................................15
Table 4. SPDIF OUT 1 Behavior ....................................................................................................................16
Table 5. Power Management .........................................................................................................................18
Table 6. Example channel mapping ...............................................................................................................22
Table 8. BTL Amp Status ...............................................................................................................................30
Table 9. Headphone Amp Enable Configuration ............................................................................................30
Table 10. EAPD Low Power Behavior ...........................................................................................................31
Table 11. EAPD Behavior ..............................................................................................................................31
Table 12. Electrical Specification: Maximum Ratings ...................................................................................39
Table 13. Recommended Operating Conditions ............................................................................................39
Table 14. 92HD81 5V, 4.75V, and 3.3V Analog Performance Characteristics ..............................................40
Table 15. HD Audio Bus Timing .....................................................................................................................45
Table 16. SPDIF Timing .................................................................................................................................46
Table 17. Digital Mic timing ............................................................................................................................46
Table 18. Class-AB BTL Amplifier Performance ............................................................................................47
Table 19. Capless Headphone Supply ..........................................................................................................47
Table 20. Pin Configuration Default Settings .................................................................................................52
Table 21. Command Format for Verb with 4-bit Identifier ..............................................................................53
Table 22. Command Format for Verb with 12-bit Identifier ............................................................................53
Table 23. Solicited Response Format ............................................................................................................53
Table 24. Unsolicited Response Format ........................................................................................................53
Table 25. High Definition Audio Widget .........................................................................................................53
Table 26. Pin Table ......................................................................................................................................289
Table 27. Standard Reflow Profile ...............................................................................................................292
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92HD81
PC AUDIO
V 0.97 01/09