WM8772
Production Data
DEVICE DESCRIPTION.......................................................................................48
INTRODUCTION ......................................................................................................... 48
AUDIO DATA SAMPLING RATES............................................................................... 48
HARDWARE CONTROL MODES ............................................................................... 49
DIGITAL AUDIO INTERFACE ..................................................................................... 51
POWERDOWN MODES ............................................................................................. 57
ZERO DETECT ........................................................................................................... 57
SOFTWARE CONTROL INTERFACE OPERATION................................................... 57
REGISTER MAP – 32 PIN TQFP .........................................................................58
CONTROL INTERFACE REGISTERS ........................................................................ 59
APPLICATIONS INFORMATION .........................................................................69
RECOMMENDED EXTERNAL COMPONENTS .......................................................... 69
SUGGESTED ANALOGUE LOW PASS POST DAC FILTERS ................................... 70
PACKAGE DIMENSIONS ....................................................................................72
IMPORTANT NOTICE ..........................................................................................73
ADDRESS: .................................................................................................................. 73
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PD Rev 4.2 October 2005
4
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
