W83971D
AC'97 AUDIO CODEC
W83971D Data Sheet Revision History
Pages
Dates
Version Version
on Web
Main Contents
1
n.a.
09/30/98
0.5
n.a.
First published.
2
n.a.
01/04/99
0.51
n.a.
Correct performance spec and app. circuit.
3
All
7/16/1999
0.52
0.55
n.a.
Add Layout guideline and reference
schematic .
4
5
6
7
8
9
10
Please note that all data and specifications are subject to change without notice. All the trade marks
of products and companies mentioned in this data sheet belong to their respective owners.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where
malfunction of these products can reasonably be expected to result in personal injury. Winbond
customers using or selling these products for use in such applications do so at their own risk and
agree to fully indemnify Winbond for any damages resulting from such improper use or sales.
Preliminary W83971D
AC'97 AUDIO CODEC
Publication Release Date: July 1999
- 1 - Revision A1
Table of Contents
1. GENERAL DESCRIPTION ......................................................................................................................... 4
2. FEATURE LIST........................................................................................................................................... 4
3. FUNCTIONAL BLOCK DIAGRAM .............................................................................................................. 5
4. PINOUT AND PACKAGE ........................................................................................................................... 6
5. PIN DESCRIPTION..................................................................................................................................... 8
5.1 Digital I/O ............................................................................................................................................ 8
5.2 Analog I/O ........................................................................................................................................... 8
5.3 Filter and Reference Pins.................................................................................................................... 9
5.4 Power Supplies ................................................................................................................................... 9
6. REGISTER DESCRIPTION ...................................................................................................................... 10
6.1 Register Map..................................................................................................................................... 10
6.2 Reset Register (Index 00h) ............................................................................................................... 11
6.3 Stereo Output Control Register (Index 02h) ...................................................................................... 11
6.3.1 Mute Stereo Output Mute Control..............................................................................................11
6.3.2 ML[5:0] Master Output (Left Channel) Volume Control ..............................................................11
6.3.3 MR[5:0] Master Output (Right Channel) Volume Control ...........................................................11
6.3.4 Output Volume Control Map......................................................................................................12
6.4 Mono Output Control Register (Index 06h)........................................................................................ 13
6.4.1 Mute Mono Output Mute Control ...............................................................................................13
6.4.2 MM[5:0] Mono Output Volume Control ......................................................................................13
6.4.3 Stereo and Mono Output Attenuation ........................................................................................13
6.5 PC_BEEP Input Volume Control Register (Index 0Ah) ..................................................................... 14
6.5.1 Mute PC Beep Input Mute Control .............................................................................................14
6.5.2 PV[3:0] PC Beep Input Volume Control .....................................................................................14
6.6 Phone Input Volume Control Register (Index 0Ch)............................................................................ 14
6.6.1 Mute Phone Input Mute Control.................................................................................................14
6.6.2 GN[4:0] PC Phone Input Volume Control ..................................................................................14
6.6.3 Programmable Input and Output Gain Levels............................................................................15
6.7 Mic Input Volume Control Register (Index 0Eh) ................................................................................ 16
6.7.1 Mute Mic Input Mute Control .....................................................................................................16
6.7.2 20dB Mic Boost Control ............................................................................................................16
Preliminary W83971D
- 2 -
6.7.3 GN[4:0] Mic Input Volume Control.............................................................................................16
6.8 Line Input Control Register (Index 10h) ............................................................................................. 16
6.8.1 Mute Line Input Mute Control ....................................................................................................16
6.8.2 GL[4:0] Left Channel Gain Control ............................................................................................16
6.8.3 GR[4:0] Right Channel Gain Control .........................................................................................17
6.9 CD Input Control Register (Index 12h) .............................................................................................. 17
6.9.1 Mute Line Input Mute Control ....................................................................................................17
6.9.2 GL[4:0] Left Channel Gain Control ............................................................................................17
6.9.3 GR[4:0] Right Channel Gain Control .........................................................................................17
6.10 Video Input Control Register (Index 14h) ........................................................................................ 17
6.10.1 Mute Line Input Mute Control ..................................................................................................17
6.10.2 6.10.2
GL[4:0] Left Channel Gain Control ............................................................................18
6.10.3 GR[4:0] Right Channel Gain Control .......................................................................................18
6.11 Auxiliary Input Control Register (Index 16h)..................................................................................... 18
6.11.1 Mute Line Input Mute Control ..................................................................................................18
6.11.2 GL[4:0] Left Channel Gain Control ..........................................................................................18
6.11.3 GR[4:0] Right Channel Gain Control .......................................................................................18
6.12 PCM Output Control Register (Index 18h)....................................................................................... 19
6.12.1 Mute Line Input Mute Control ..................................................................................................19
6.12.2 GL[4:0] Left Channel Gain Control ..........................................................................................19
6.12.3 GR[4:0] Right Channel Gain Control .......................................................................................19
6.13 Record Select Register (Index 1Ah)................................................................................................ 19
6.13.1 Record Source Select(Left Channel)
Record Source Select(Right Channel) ................19
6.14 Record Gain Control Register (Index 1Ch)...................................................................................... 20
6.14.1 Mute Record Mute Control ......................................................................................................20
6.14.2 GL[3:0] Record Gain Control (Left Channel)............................................................................20
6.14.3 GR[3:0] Record Gain Control (Right Channel) .........................................................................20
6.15 General Purpose Register (Index 20h)............................................................................................ 20
6.15.1 3D Stereo Enhancement .........................................................................................................20
6.15.2 MIX Mono Output Mode ..........................................................................................................20
6.15.3 MS Microphone Select ............................................................................................................20
6.15.4 LPBK Loopback Mode.............................................................................................................20
6.16 3D Control Register (Index 22h)...................................................................................................... 21
6.16.1 Depth of 3D Control Level .......................................................................................................21
6.17 Power Down and Status Register (Index 26h) ................................................................................ 21
6.17.1 PR[5:0] Power Down Mode Bits ..............................................................................................21
6.17.2 Status (READ Only) bits .........................................................................................................21
6.18 Vendor Identification Registers (Index 7Ch, 7Eh)............................................................................ 22
Preliminary W83971D
Publication Release Date: July 1999
- 3 - Revision A1
7. MULTIPLE CODEC EXTENSION ............................................................................................................ 23
7.1 Multiple Codec Mode Select ............................................................................................................. 23
7.2 Multiple Codec Example ................................................................................................................... 24
8. ELECTRICAL SPECIFICATIONS............................................................................................................. 25
8.1 DC Characteristics ............................................................................................................................ 25
8.2 AC Timing Characteristics................................................................................................................. 25
8.3 BIT_CLK / SYNC .............................................................................................................................. 26
8.4 Setup and Hold ................................................................................................................................. 27
8.5 Rise and Fall ..................................................................................................................................... 28
8.6 AC_Link Low Power Mode ............................................................................................................... 29
8.7 ATE/ Vendor Test Mode ................................................................................................................... 30
9. PERFORMANCE SPECIFICATIONS....................................................................................................... 31
9.1 Analog Characteristics ...................................................................................................................... 31
9.2 Miscellaneous Analog Performance Characteristics: ........................................................................ 33
9.3 Power Consumption:......................................................................................................................... 34
10. POWER MANAGEMENT ....................................................................................................................... 34
10.1 Power Down / Power Up ................................................................................................................ 35
11. TEST MODE OPERATION..................................................................................................................... 37
11.1 ATE Test Mode:.............................................................................................................................. 37
11.2 Vendor Test Mode: ......................................................................................................................... 37
12. TYPICAL CONNECTION DIAGRAM ...................................................................................................... 38
13. HOW TO READ THE TOP MARKING ................................................................................................... 39
14. PACKAGE DIMENSIONS....................................................................................................................... 40
15. APPENDIX A: TEST REPORT ............................................................................................................... 41
16. APPENDIX B: LAYOUT GUIDE ............................................................................................................. 54
16. APPENDIX B: LAYOUT GUIDE ............................................................................................................. 55
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