WM9707

Production Data

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PD Rev 4.1 June 2006

2

TABLE OF CONTENTS

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

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

SYSTEM INFORMATION .....................................................................................12

DEVICE DESCRIPTION .......................................................................................15

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

SERIAL INTERFACE REGISTER MAP ...............................................................31

RECOMMENDED EXTERNAL COMPONENTS ..................................................32

RECOMMENDED EXTERNAL COMPONENTS VALUES............................................ 33

RECOMMENDATIONS FOR 3.3V OPERATION.......................................................... 33

PACKAGE DIMENSIONS ....................................................................................34

IMPORTANT NOTICE ..........................................................................................35

ADDRESS:................................................................................................................... 35