IDTSTAC9751XXTAEC1XR IDT, Integrated Device Technology Inc, IDTSTAC9751XXTAEC1XR Datasheet - Page 4

• Manufacturer Part Number: IDTSTAC9751XXTAEC1XR
• Description: IC CODEC AC'97 2CH VALUE 48-LQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9751XXTAEC1XR

• Resolution (bits): 18 b, 20 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 85 / 89
• Voltage - Supply, Analog: 3.14 V ~ 3.47 V; 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.14 V ~ 3.47 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9751XXTAEC1XR

LIST OF TABLES
IDT™
VALUE-LINE TWO-CHANNEL AC’97 CODECS
STAC9750/9751
VALUE-LINE TWO-CHANNEL AC’97 CODECS
Table 1. STAC9751 Analog Performance Characteristics ............................................................................. 13
Table 2. Cold Reset Specifications ................................................................................................................ 15
Table 3. Warm Reset Specifications .............................................................................................................. 15
Table 4. Clocks Specifications ....................................................................................................................... 16
Table 5. Clock Mode Configuration ............................................................................................................... 16
Table 6. Data Setup and Hold Specifications ................................................................................................ 17
Table 7. Signal Rise and Fall Times Specifications ....................................................................................... 17
Table 8. AC-Link Low Power Mode Timing Specifications ............................................................................ 18
Table 9. ATE Test Mode Specifications ......................................................................................................... 18
Table 10. STAC9750/9751 Available Data Streams ...................................................................................... 21
Table 11. Command Address Port Bit Assignments ...................................................................................... 23
Table 12. Command Data Port Bit Assignments ........................................................................................... 24
Table 13. Status Address Port Bit Assignments ............................................................................................ 27
Table 14. Status Data Port Bit Assignments .................................................................................................. 27
Table 15. Programming Registers ................................................................................................................. 34
Table 16. Play Master Volume Register ........................................................................................................ 35
Table 17. PC_BEEP Register ........................................................................................................................ 36
Table 18. Analog Mixer Input Gain Register .................................................................................................. 37
Table 19. Record Select Control Registers ................................................................................................... 39
Table 20. Record Gain Registers ................................................................................................................. 39
Table 21. General Purpose Register ............................................................................................................. 40
Table 22. 3D Control Registers .................................................................................................................... 40
Table 23. Powerdown Status Registers ......................................................................................................... 42
Table 24. Extended Audio ID ......................................................................................................................... 43
Table 25. Slot assignment relationship between SPSA1 and SPSA0 ........................................................... 45
Table 26. STAC9750/9751 AMAP compliant ................................................................................................. 45
Table 27. Hardware Supported Sample Rates .............................................................................................. 45
Table 28. SPDIF Control ............................................................................................................................... 46
Table 29. Extended Moden Status and Control ............................................................................................. 47
Table 31. GPIO Pin Polarity/Type Register ................................................................................................... 48
Table 32. GPIO Pin Sticky Register ............................................................................................................... 48
Table 30. GPIO Pin Configuration Register ................................................................................................... 48
Table 33. GPIO Pin Mask Register ................................................................................................................ 49
Table 35. Digital Audio Control Register ........................................................................................................ 50
Table 34. GPIO Pin Status Register .............................................................................................................. 50
Table 36. ADC data on AC LINK ................................................................................................................... 52
Table 37. Mic Boost Select ............................................................................................................................ 52
Table 38. Analog Current Adjust ................................................................................................................... 53
Table 39. GPIO Access Registers (74h) ........................................................................................................ 54
Table 40. Low Power Modes ......................................................................................................................... 56
Table 41. CODEC ID Selection ..................................................................................................................... 58
Table 42. Secondary CODEC Register Access Slot 0 Bit Definitions ........................................................... 59
Table 43. Digital Connection Signals ............................................................................................................. 62
Table 44. Analog Connection Signals ........................................................................................................... 63
Table 45. Filtering and Voltage References .................................................................................................. 64
Table 46. Power and Ground Signals ............................................................................................................ 64
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STAC9750/9751
PC AUDIO
V 5.8 103106