STAC9752 datasheet(4/95 Pages) IDT

4 / 95 page

STAC9752/9753

TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING

IDT™

STAC9752/9753

REV 3.3 1206

TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING

8.2.6. GPIO Pin Polarity/Type Register (4Eh) ............................................................................. 66

8.2.7. GPIO Pin Sticky Register (50h) ......................................................................................... 66

8.2.8. GPIO Pin Mask Register (52h) .......................................................................................... 67

8.2.9. GPIO Pin Status Register (54h) ........................................................................................ 67

8.3. Extended CODEC Registers Page Structure Definition .................................................................. 68

8.3.1. Extended Registers Page 00 ............................................................................................. 68

8.3.2. Extended Registers Page 01 ............................................................................................. 68

8.3.3. Extended Registers Page 02, 03 ....................................................................................... 68

8.4. STAC9752/9753 Paging Registers ................................................................................................. 69

8.4.1. CODEC Class/Rev (60h

Page 01h ) ............................................................................... 69

8.4.2. PCI SVID (62h

Page 01h) ............................................................................................... 70

8.4.3. PCI SSID (64h

Page 01h) ............................................................................................... 70

8.4.4. Function Select (66h

Page 01h) ...................................................................................... 71

8.4.5. Function Information (68h

Page 01h ) .............................................................................. 72

8.4.6. Digital Audio Control (6Ah, Page 00h) ............................................................................... 73

8.4.7. Sense Details (6Ah

Page 01h) ........................................................................................ 74

8.4.8. Revision Code (6Ch) ........................................................................................................ 76

8.4.9. Analog Special (6Eh) ......................................................................................................... 76

8.4.10. Analog Current Adjust (72h) ............................................................................................ 77

8.4.11. EAPD Access Register (74h) .......................................................................................... 77

8.4.12. High Pass Filter Bypass (78h) ........................................................................................ 78

8.5. Vendor ID1 and ID2 (Index 7Ch and 7Eh) ...................................................................................... 79

8.5.1. Vendor ID1 (7Ch) ............................................................................................................. 79

8.5.2. Vendor ID2 (7Eh) ............................................................................................................... 79

9. LOW POWER MODES ...........................................................................................................80

10. MULTIPLE CODEC SUPPORT ............................................................................................82

10.1. Primary/Secondary CODEC Selection .......................................................................................... 82

10.1.1. Primary CODEC Operation ............................................................................................ 82

10.1.2. Secondary CODEC Operation ........................................................................................ 82

10.2. Secondary CODEC Register Access Definitions .......................................................................... 83

11. TESTABILITY ........................................................................................................................84

11.0.1. ATE Test Mode ................................................................................................................ 84

12. PIN DESCRIPTION ................................................................................................................85

12.1. Digital I/O ...................................................................................................................................... 86

12.2. Analog I/O .................................................................................................................................... 87

12.3. Filter/References .......................................................................................................................... 88

12.4. Power and Ground Signals .......................................................................................................... 88

13. ORDERING INFORMATION ..................................................................................................89

14. PACKAGE DRAWING ...........................................................................................................89

15. 48-PIN LQFP SOLDER REFLOW PROFILE .........................................................................90

15.1. Standard Reflow Profile Data ........................................................................................................ 90

15.2. Pb Free Process - Package Classification Reflow Temperatures ................................................. 91

16. APPENDIX A: PROGRAMMING REGISTERS .....................................................................92

17. REVISION HISTORY .............................................................................................................94

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