92hd73c Integrated Device Technology, 92hd73c Datasheet - Page 10

• Manufacturer Part Number: 92hd73c
• Description: Four Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
LIST OF FIGURES
LIST OF TABLES
92HD73C
SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
Figure 1. 92HD73D Block Diagram ................................................................................................................12
Figure 2. System Diagram ............................................................................................................................12
Figure 3. Multi-channel capture ......................................................................................................................20
Figure 4. Multi-channel timing diagram ..........................................................................................................20
Figure 5. EAPD ..............................................................................................................................................23
Figure 6: Mono Digital Microphone (data is ported to both left and right channels ........................................25
Figure 7: Stereo Digital Microphone Configuration ........................................................................................26
Figure 8: Quad Digital Microphone Configuration ..........................................................................................27
Figure 9: External Volume Control Circuit ......................................................................................................31
Figure 10. Port Configuration .........................................................................................................................39
Figure 11. Functional Block Diagram .............................................................................................................40
Figure 12. Widget Diagram ............................................................................................................................41
Figure 13. Pin Assignment ...........................................................................................................................253
Figure 14. 48-pin QFP Package Drawing ....................................................................................................257
Figure 15. Solder Reflow Profile ..................................................................................................................258
Table 1. Port Functionality .............................................................................................................................13
Table 2. Analog I/O Port Behavior .................................................................................................................14
Table 4. SPDIF OUT 0 (Pin 48) Behavior ......................................................................................................15
Table 5. SPDIF OUT 1 (Pin 40) Behavior ......................................................................................................15
Table 6. Input Multiplexers .............................................................................................................................17
Table 7. Function state vs. AFG power state .................................................................................................17
Table 10. EAPD Behavior ..............................................................................................................................22
Table 11. Valid Digital Mic Configurations .....................................................................................................24
Table 12. DMIC_CLK and DMIC_0,1 Operation During Power States ..........................................................24
Table 13. GPIO Pin mapping .........................................................................................................................29
Table 14. Electrical Specification: Maximum Ratings ...................................................................................32
Table 15. Recommended Operating Conditions ............................................................................................32
Table 16. 92HD73D 5V, 4.75V, and 3.3V Analog Performance Characteristics ............................................33
Table 17. High Definition Audio Widget .........................................................................................................42
Table 18. Pin Configuration Default Settings .................................................................................................43
Table 19. Command Format for Verb with 4-bit Identifier ..............................................................................45
Table 20. Command Format for Verb with 12-bit Identifier ............................................................................45
Table 21. Solicited Response Format ............................................................................................................45
Table 22. Unsolicited Response Format ........................................................................................................45
Table 23. Digital Pins ...................................................................................................................................254
Table 24. Analog Pins ..................................................................................................................................254
Table 25. Power Pins ...................................................................................................................................255
Table 26. Standard Reflow Profile ...............................................................................................................258
Table 27. Pb-Free Process Reflow ..............................................................................................................259
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92HD73C
PC AUDIO
V 1.0 03/08