WM8775
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TABLE OF CONTENTS
DESCRIPTION ................................................................................................................1
FEATURES......................................................................................................................1
BLOCK DIAGRAM ..........................................................................................................1
PIN CONFIGURATION....................................................................................................3
ORDERING INFORMATION ...........................................................................................3
PIN DESCRIPTION .........................................................................................................4
ABSOLUTE MAXIMUM RATINGS..................................................................................5
RECOMMENDED OPERATING CONDITIONS ..............................................................5
ELECTRICAL CHARACTERISTICS ...............................................................................6
TERMINOLOGY......................................................................................................................7
MASTER CLOCK TIMING...............................................................................................7
DIGITAL AUDIO INTERFACE – MASTER MODE...................................................................7
DIGITAL AUDIO INTERFACE – SLAVE MODE ......................................................................8
3-WIRE MPU INTERFACE TIMING ......................................................................................10
2-WIRE MPU INTERFACE TIMING ......................................................................................10
DEVICE DESCRIPTION................................................................................................12
INTRODUCTION...................................................................................................................12
AUDIO DATA SAMPLING RATES.........................................................................................12
POWERDOWN MODES .......................................................................................................13
POWER-ON-RESET .............................................................................................................14
DIGITAL AUDIO INTERFACE...............................................................................................15
CONTROL INTERFACE OPERATION..................................................................................18
CONTROL INTERFACE REGISTERS ..................................................................................19
LIMITER / AUTOMATIC LEVEL CONTROL (ALC)................................................................23
REGISTER MAP ...................................................................................................................28
DIGITAL FILTER CHARACTERISTICS........................................................................32
ADC FILTER RESPONSES...................................................................................................32
ADC HIGH PASS FILTER .....................................................................................................32
APPLICATIONS INFORMATION ..................................................................................33
EXTERNAL CIRCUIT CONFIGURATION .............................................................................33
RECOMMENDED EXTERNAL COMPONENTS....................................................................34
IMPORTANT NOTICE...................................................................................................36
ADDRESS: ............................................................................................................................36
PP Rev 1.8, June 2004
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
