92HD92 Datasheet, PDF (10/306 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD92
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
LIST OF FIGURES
Figure 1. Multi-channel capture ......................................................................................................................21
Figure 2. Multi-channel timing diagram ..........................................................................................................21
Figure 3. HP EAPD Example to be replaced by single pin for internal amp ..................................................25
Figure 4. EAPD implementation .....................................................................................................................25
Figure 5. Single Digital Microphone (data is ported to both left and right channels .......................................27
Figure 6. Stereo Digital Microphone Configuration ........................................................................................28
Figure 7. Quad Digital Microphone Configuration ..........................................................................................29
Figure 8. Analog PC Beep Active ..................................................................................................................30
Figure 9. Analog PC Beep Flow chart ............................................................................................................31
Figure 10. Combo Jack ..................................................................................................................................33
Figure 11. Left Justified Audio Interface (assuming 24-bit word length) ........................................................38
Figure 12. Right Justified Audio Interface (assuming 24-bit word length) ......................................................38
Figure 13. I2S Justified Audio Interface (assuming 24-bit word length) .........................................................38
Figure 14. Switching between Normal and Aux Audio Modes .......................................................................41
Figure 15. Playback Path on Parts Supporting Digital I/O .............................................................................45
Figure 16. Record Path on Parts Supporting Digital I/O ................................................................................46
Figure 17. 2-Wire Serial Control Interface ......................................................................................................47
Figure 18. Multiple Write Cycle ......................................................................................................................48
Figure 19. Read Cycle ...................................................................................................................................48
Figure 20. Multiple Read Cycle ......................................................................................................................49
Figure 21. HD Audio Bus Timing ....................................................................................................................77
Figure 22. Functional Block Diagram .............................................................................................................80
Figure 23. Widget Diagram ............................................................................................................................81
Figure 24. Port Configurations .......................................................................................................................82
Figure 25. ......................................................................................................................................................83
Figure 26. 48QFN Pin Assignment ..............................................................................................................299
Figure 27. 48QFN Package Diagram ...........................................................................................................302
IDT CONFIDENTIAL
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92HD92