STAC9752A Datasheet, PDF (4/106 Pages) Integrated Device Technology – AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
LIST OF FIGURES
Figure 1. STAC9752A/9753A Block Diagram ................................................................................................. 8
Figure 2. Cold Reset Timing .......................................................................................................................... 16
Figure 3. Warm Reset Timing ........................................................................................................................16
Figure 4. Clocks Timing ................................................................................................................................. 17
Figure 5. Data Setup and Hold Timing ........................................................................................................ 18
Figure 6. Signal Rise and Fall Times Timing ............................................................................................... 19
Figure 7. AC-Link Low Power Mode Timing .................................................................................................. 19
Figure 8. ATE Test Mode Timing ................................................................................................................... 20
Figure 9. STAC9752A/9753A Typical Connection Diagram 48-pin LQFP .................................................... 21
Figure 10. STAC9752A/9753A Typical Connection Diagram 32-pad QFN ................................................. 22
Figure 11. Split Connection Diagram 32-pad QFN ....................................................................................... 24
Figure 12. AC-Link to its Companion Controller ........................................................................................... 25
Figure 13. STAC9752A/9753A Powerdown Timing ...................................................................................... 29
Figure 14. Bi-directional AC-Link Frame with Slot assignments ................................................................... 31
Figure 15. AC-Link Audio Output Frame ...................................................................................................... 35
Figure 16. Start of an Audio Output Frame ................................................................................................... 35
Figure 17. STAC9752A/9753A Audio Input Frame ....................................................................................... 38
Figure 18. Start of an Audio Input Frame ..................................................................................................... 39
Figure 19. Bi-directional AC-Link Frame with Slot assignments ....................................................................43
Figure 20. AC-Link Input Slots Dedicated To CODEC .................................................................................. 44
Figure 21. STAC9752A/9753A 2-Channel Mixer Functional Diagram .......................................................... 47
Figure 22. Example of STAC9752A/9753A Powerdown/Powerup Flow ....................................................... 85
Figure 23. Powerdown/Powerup Flow With Analog Still Alive ..................................................................... 86
Figure 24. Pin Description Drawing .............................................................................................................. 90
Figure 25. STAC9752A/9753A 32 pad QFN Pin Description Drawing ......................................................... 92
Figure 26. Package Drawing - 48-pin LQFP .................................................................................................. 98
Figure 27. Package Drawing - 32-pad QFN .................................................................................................. 99
Figure 28. Recommended PCB Layout for 32-pad QFN Package .............................................................. 100
Figure 29. Reflow Profile ............................................................................................................................ 101
IDT™
4
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
V 1.5 1206