WM8805
Production Data
TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
BLOCK DIAGRAM .................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................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
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 ....................................... 44
DIGITAL AUDIO INTERFACE..................................................................................... 45
AUDIO DATA FORMATS ............................................................................................ 46
REGISTER MAP ......................................................................................................... 53
APPLICATIONS INFORMATION .........................................................................63
RECOMMENDED EXTERNAL COMPONENTS.......................................................... 63
PACKAGE DIMENSIONS ....................................................................................64
IMPORTANT NOTICE..........................................................................................65
ADDRESS: .................................................................................................................. 65
PD Rev 4.1 September 07
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
