STAC9767 datasheet(5/97 Pages) IDT

5 / 97 page

STAC9766/9767

TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING

PC AUDIO

IDT™

STAC9766/9767

V 7.4 12/06

TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING

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

STAC9767 Datasheet(PDF) 5 Page - Integrated Device Technology

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