STAC9766 Datasheet, PDF (5/97 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 Tables
Table 1. Clock Mode Configuration ............................................................................................................... 14
Table 2. Common Clocks and Sources ......................................................................................................... 15
Table 3. Recommended CODEC ID Strapping ............................................................................................. 23
Table 4. AC-link Output Slots (Transmitted from the Controller) ................................................................... 27
Table 5. The AC-link input slots (transmitted from the CODEC) ................................................................... 28
Table 6. VRA Behavior .................................................................................................................................. 29
Table 7. Output Slot 0 Bit Definitions ............................................................................................................. 32
Table 8. Command Address Port Bit Assignments ........................................................................................ 33
Table 9. Status Address Port Bit Assignments .............................................................................................. 36
Table 10. Status Data Port Bit Assignments .................................................................................................. 36
Table 11. Primary CODEC Addressing: Slot 0 Tag Bits ................................................................................ 38
Table 12. Secondary CODEC Addressing: Slot 0 tag bits ............................................................................. 38
Table 13. AC-link Input Slots To CODEC ...................................................................................................... 39
Table 14. AC-link Input Slots From CODEC .................................................................................................. 39
Table 15. AC-link Output Slots Dedicated To Audio ...................................................................................... 40
Table 16. AC-link Input Slots Dedicated To Audio ......................................................................................... 40
Table 17. Audio Interrupt Slot Definitions ...................................................................................................... 40
Table 18. Digital PC Beep Examples ............................................................................................................. 45
Table 19. Programming Registers ................................................................................................................. 46
Table 20. Extended Audio ID Register Functions .......................................................................................... 60
Table 21. AMAP Compliant ...........................................................................................................................62
Table 22. Hardware Supported Sample Rates .............................................................................................. 63
Table 23. Supported Jack and Mic Sense Functions .................................................................................... 72
Table 24. Reg 68h Default Values ................................................................................................................. 73
Table 25. Gain or Attenuation Examples ....................................................................................................... 73
Table 26. Register 68h/Page 01h Bit Overview ............................................................................................. 74
Table 27. Sensed Bits (Outputs) ................................................................................................................... 75
Table 28. Sensed Bits (Inputs) ...................................................................................................................... 76
Table 29. Low Power Modes ......................................................................................................................... 81
Table 30. CODEC ID Selection .....................................................................................................................83
Table 31. Secondary CODEC Register Access Slot 0 Bit Definitions ...........................................................84
Table 32. Test Mode Activation .....................................................................................................................85
Table 33. ATE Test Mode Operation ............................................................................................................. 85
Table 34. STAC9766/9767 Ordering Information .......................................................................................... 86
Table 35. Digital Connection Signals ............................................................................................................. 88
Table 36. Filtering and Voltage References .................................................................................................. 88
Table 37. Analog Connection Signals ........................................................................................................... 89
Table 38. Power and Ground Signals ............................................................................................................ 90
IDT™
5
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
V 7.4 12/06