WM9707_06 WOLFSON [Wolfson Microelectronics plc], WM9707_06 Datasheet - Page 2

• Manufacturer Part Number: WM9707_06
• Description: AC 97 Revision 2.1 Audio CODEC with SPDIF Output
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM9707
DESCRIPTION .......................................................................................................1
AC’97 FEATURES .................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
ABSOLUTE MAXIMUM RATINGS.........................................................................4
RECOMMENDED OPERATING CONDITIONS .....................................................5
ELECTRICAL CHARACTERISTICS ......................................................................5
PIN DESCRIPTION ................................................................................................8
DETAILED TIMING DIAGRAMS ............................................................................9
SYSTEM INFORMATION .....................................................................................12
DEVICE DESCRIPTION.......................................................................................15
SERIAL INTERFACE REGISTER MAP ...............................................................31
RECOMMENDED EXTERNAL COMPONENTS ..................................................32
PACKAGE DIMENSIONS ....................................................................................34
IMPORTANT NOTICE ..........................................................................................35
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AC-LINK LOW POWER MODE...................................................................................... 9
COLD RESET ................................................................................................................ 9
WARM RESET............................................................................................................. 10
CLOCK SPECIFICATIONS .......................................................................................... 10
DATA SETUP AND HOLD (50PF EXTERNAL LOAD) ................................................. 11
SIGNAL RISE AND FALL TIMES ................................................................................. 11
INTRODUCTION.......................................................................................................... 15
3D STEREO ENHANCEMENT..................................................................................... 15
VARIABLE SAMPLE RATE SUPPORT........................................................................ 16
SPDIF DIGITAL AUDIO DATA OUTPUT ..................................................................... 16
GAIN CONTROL REGISTER LOCATION.................................................................... 16
MASTER/SLAVE ID SUPPORT ................................................................................... 17
CONTROL INTERFACE .............................................................................................. 17
AC-LINK DIGITAL SERIAL INTERFACE PROTOCOL................................................. 17
AC-LINK AUDIO OUTPUT FRAME (SDATAOUT) ....................................................... 19
AC-LINK AUDIO INPUT FRAME (SDATAIN) ............................................................... 21
AC-LINK LOW POWER MODE.................................................................................... 23
WAKING UP THE AC-LINK ......................................................................................... 23
SERIAL INTERFACE REGISTER MAP DESCRIPTION .............................................. 24
POWERDOWN CONTROL/STATUS REGISTER (INDEX 26H) .................................. 27
REVISION 2.1 REGISTERS (INDEX 28H T0 58H) ...................................................... 28
VENDOR RESERVED REGISTERS (INDEX 5AH - 7AH)............................................ 29
RECOMMENDED EXTERNAL COMPONENTS VALUES............................................ 33
RECOMMENDATIONS FOR 3.3V OPERATION.......................................................... 33
ADDRESS:................................................................................................................... 35
TABLE OF CONTENTS
PD Rev 4.1 June 2006
Production Data
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