WM8804 datasheet(2/66 Pages) WOLFSON

2 / 66 page

WM8804

Production Data

PD Rev 4.1 September 2007

TABLE OF CONTENTS

DESCRIPTION .......................................................................................................1

FEATURES.............................................................................................................1

APPLICATIONS .....................................................................................................1

BLOCK DIAGRAM .................................................................................................1

TABLE OF CONTENTS .........................................................................................2

PIN CONFIGURATION...........................................................................................3

ORDERING INFORMATION ..................................................................................3

PIN DESCRIPTION ................................................................................................4

ABSOLUTE MAXIMUM RATINGS.........................................................................5

RECOMMENDED OPERATING CONDITIONS .....................................................6

SUPPLY CURRENT ...................................................................................................... 6

ELECTRICAL CHARACTERISTICS ......................................................................6

MASTER CLOCK TIMING ............................................................................................. 7

DIGITAL AUDIO INTERFACE – MASTER MODE ......................................................... 7

DIGITAL AUDIO INTERFACE – SLAVE MODE ............................................................ 8

CONTROL INTERFACE – 3-WIRE MODE.................................................................... 9

CONTROL INTERFACE – 2-WIRE MODE.................................................................. 10

DEVICE DESCRIPTION.......................................................................................11

INTRODUCTION ......................................................................................................... 11

POWER UP CONFIGURATION .................................................................................. 12

CONTROL INTERFACE OPERATION........................................................................ 14

HARDWARE CONTROL MODE.................................................................................. 18

DIGITAL ROUTING CONTROL................................................................................... 20

MASTER CLOCK AND PHASE LOCKED LOOP......................................................... 21

SOFTWARE MODE INTERNAL CLOCKING .............................................................. 21

HARDWARE MODE INTERNAL CLOCKING .............................................................. 30

S/PDIF TRANSMITTER............................................................................................... 31

S/PDIF RECEIVER...................................................................................................... 34

GENERAL PURPOSE OUTPUT (GPO) CONFIGURATION ....................................... 43

DIGITAL AUDIO INTERFACE ..................................................................................... 44

AUDIO DATA FORMATS ............................................................................................ 45

REGISTER MAP ......................................................................................................... 52

APPLICATIONS INFORMATION .........................................................................63

RECOMMENDED EXTERNAL COMPONENTS.......................................................... 63

PACKAGE DIMENSIONS ....................................................................................65

IMPORTANT NOTICE ..........................................................................................66

ADDRESS: .................................................................................................................. 66

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