WM8775

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PP Rev 1.8, June 2004

2

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