92HD98 Datasheet, PDF (10/273 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD98
SINGLE CHIP PC AUDIO SYSTEM, CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
LIST OF FIGURES
Figure 1. Multi-channel capture ......................................................................................................................20
Figure 2. Multi-channel timing diagram ..........................................................................................................20
Figure 3. HP EAPD Example to be replaced by single pin for internal amp ..................................................24
Figure 4. EAPD implementation .....................................................................................................................24
Figure 5. Single Digital Microphone (data is ported to both left and right channels .......................................26
Figure 6. Stereo Digital Microphone Configuration ........................................................................................27
Figure 7. Quad Digital Microphone Configuration ..........................................................................................28
Figure 8. Analog PC Beep Active ..................................................................................................................29
Figure 9. Analog PC Beep Flow chart ............................................................................................................30
Figure 10. Combo Jack ..................................................................................................................................32
Figure 11. Switching between Normal and Aux Audio Modes .......................................................................36
Figure 12. Aux Audio Playback When Nothing Plugged In (or System is not Docked) ..................................38
Figure 13. Aux Audio Playback When System Headphones are Plugged In .................................................38
Figure 14. Aux Audio Playback when the System is Docked and Headphones are Plugged In ....................39
Figure 15. HD Audio Bus Timing ....................................................................................................................45
Figure 16. Functional Block Diagram .............................................................................................................47
Figure 17. Widget Diagram ............................................................................................................................48
Figure 18. Port Configurations .......................................................................................................................49
Figure 19. 40QFN Pin Assignment ..............................................................................................................266
Figure 20. 40QFN Package Diagram ...........................................................................................................269
IDT CONFIDENTIAL
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92HD98