STAC9766 Datasheet, PDF (4/97 Pages) Integrated Device Technology – TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING

STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
PC AUDIO
List of Figures
Figure 1. Block Diagram .................................................................................................................................. 8
Figure 2. Cold Reset Timing ......................................................................................................................... 13
Figure 3. Warm Reset Timing ........................................................................................................................13
Figure 4. Clocks Timing ................................................................................................................................ 14
Figure 5. Data Setup and Hold Timing ......................................................................................................... 15
Figure 6. Signal Rise and Fall Times Timing ................................................................................................ 15
Figure 7. AC-Link Low Power Mode Timing .................................................................................................. 16
Figure 8. ATE Test Mode Timing ..................................................................................................................16
Figure 9. Typical Connection Diagram .......................................................................................................... 17
Figure 10. Split Independent Power Supply Operation ................................................................................. 19
Figure 11. AC-Link to its Companion Controller ........................................................................................... 20
Figure 12. CODEC Clock Source Detection ................................................................................................. 21
Figure 13. STAC9766/9767 Powerdown Timing .......................................................................................... 24
Figure 14. Bi-directional AC-link Frame with Slot Assignments ....................................................................27
Figure 15. AC-Link Audio Output Frame ...................................................................................................... 31
Figure 16. Start of an Audio Output Frame ................................................................................................... 31
Figure 17. STAC9766/9767 Audio Input Frame ........................................................................................... 34
Figure 18. Start of an Audio Input Frame ..................................................................................................... 35
Figure 19. Bi-directional AC-link Frame with Slot assignments ....................................................................39
Figure 20. STAC9766 2-Channel Mixer Functional Diagram .......................................................................42
Figure 21. STAC9767 2-Channel Mixer Functional Diagram .......................................................................42
Figure 22. Example of STAC9766/9767 Powerdown/Powerup Flow ...........................................................81
Figure 23. Powerdown/Powerup Flow With Analog Still Alive .......................................................................82
Figure 24. Pin Description Drawing ............................................................................................................... 87
Figure 25. 48-Pin LQFP Package Outline and Package Dimensions ...........................................................91
Figure 26. Solder Reflow Profile ................................................................................................................... 92
IDT™
4
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
V 7.4 12/06