WM8569
Product Preview
TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................1
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................5
RECOMMENDED OPERATING CONDITIONS .....................................................6
ELECTRICAL CHARACTERISTICS ......................................................................6
TERMINOLOGY............................................................................................................ 7
MASTER CLOCK TIMING............................................................................................. 8
DIGITAL AUDIO INTERFACE – MASTER MODE......................................................... 8
DIGITAL AUDIO INTERFACE – SLAVE MODE .......................................................... 10
MPU INTERFACE TIMING.......................................................................................... 12
DEVICE DESCRIPTION.......................................................................................13
INTRODUCTION......................................................................................................... 13
AUDIO DATA SAMPLING RATES............................................................................... 13
HARDWARE CONTROL MODES ............................................................................... 14
DIGITAL AUDIO INTERFACE..................................................................................... 16
POWERDOWN MODES ............................................................................................. 20
ZERO DETECT ........................................................................................................... 20
REGISTER MAP ......................................................................................................... 21
CONTROL INTERFACE REGISTERS ........................................................................ 22
DIGITAL FILTER CHARACTERISTICS...............................................................30
DAC FILTER RESPONSES......................................................................................... 30
ADC FILTER RESPONSES......................................................................................... 31
ADC HIGH PASS FILTER........................................................................................... 31
DIGITAL DE-EMPHASIS CHARACTERISTICS........................................................... 31
APPLICATIONS INFORMATION .........................................................................33
RECOMMENDED EXTERNAL COMPONENTS VALUES........................................... 33
SUGGESTED ANALOGUE LOW PASS POST DAC FILTERS................................... 34
PACKAGE DIMENSIONS ....................................................................................35
IMPORTANT NOTICE..........................................................................................36
ADDRESS: .................................................................................................................. 36
PP Rev 1.1 December 2005
w
2
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
