wm9707scft-v Wolfson Microelectronics plc, wm9707scft-v Datasheet - Page 2

• Manufacturer Part Number: wm9707scft-v
• Description: Ac?97 Revision 2.1 Audio Codec With Spdif Output
• Manufacturer: 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 4.4, March 2009
Production Data
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