WM8775
Production Data
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...................................................................8
DIGITAL AUDIO INTERFACE – SLAVE MODE ......................................................................9
3-WIRE MPU INTERFACE TIMING ......................................................................................10
2-WIRE MPU INTERFACE TIMING ......................................................................................10
INTERNAL POWER ON RESET CIRCUIT ...................................................................12
DEVICE DESCRIPTION................................................................................................14
INTRODUCTION...................................................................................................................14
AUDIO DATA SAMPLING RATES.........................................................................................14
POWERDOWN MODES .......................................................................................................15
DIGITAL AUDIO INTERFACE...............................................................................................16
CONTROL INTERFACE OPERATION..................................................................................20
CONTROL INTERFACE REGISTERS ..................................................................................21
LIMITER / AUTOMATIC LEVEL CONTROL (ALC)................................................................26
REGISTER MAP ...................................................................................................................31
DIGITAL FILTER CHARACTERISTICS........................................................................35
ADC FILTER RESPONSES...................................................................................................35
ADC HIGH PASS FILTER .....................................................................................................35
APPLICATIONS INFORMATION ..................................................................................36
EXTERNAL CIRCUIT CONFIGURATION .............................................................................36
RECOMMENDED EXTERNAL COMPONENTS....................................................................37
PACKAGE DIMENSIONS .............................................................................................38
IMPORTANT NOTICE...................................................................................................39
ADDRESS: ............................................................................................................................39
PD Rev 4.1, June 2006
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
