WM8804
Production Data
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PD Rev 4.1 September 2007
2
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
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
