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WM8581SERV Datasheet(PDF) 3 Page - Wolfson Microelectronics plc |
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WM8581SERV Datasheet(HTML) 3 Page - Wolfson Microelectronics plc |
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3 / 94 page  Product Preview WM8581 w PP Rev 1.0 March 2006 3 TABLE OF CONTENTS DESCRIPTION ................................................................................................................................................................................. 1 FEATURES ...................................................................................................................................................................................... 1 APPLICATIONS ............................................................................................................................................................................... 1 BLOCK DIAGRAM ........................................................................................................................................................................... 2 TABLE OF CONTENTS.................................................................................................................................................................... 3 PIN CONFIGURATION..................................................................................................................................................................... 4 ORDERING INFORMATION............................................................................................................................................................. 4 PIN DESCRIPTION .......................................................................................................................................................................... 5 MULTI-FUNCTION PINS.............................................................................................................................................................. 6 ABSOLUTE MAXIMUM RATINGS ................................................................................................................................................... 8 RECOMMENDED OPERATING CONDITIONS ................................................................................................................................ 9 ELECTRICAL CHARACTERISTICS ................................................................................................................................................. 9 TERMINOLOGY ......................................................................................................................................................................... 12 MASTER CLOCK TIMING.......................................................................................................................................................... 12 DIGITAL AUDIO INTERFACE – MASTER MODE...................................................................................................................... 13 DIGITAL AUDIO INTERFACE – SLAVE MODE ......................................................................................................................... 14 CONTROL INTERFACE TIMING – 3-WIRE MODE ................................................................................................................... 15 CONTROL INTERFACE TIMING – 2-WIRE MODE ................................................................................................................... 15 DEVICE DESCRIPTION ................................................................................................................................................................. 17 INTRODUCTION ........................................................................................................................................................................ 17 CONTROL INTERFACE OPERATION ....................................................................................................................................... 18 DIGITAL AUDIO INTERFACES.................................................................................................................................................. 22 AUDIO DATA FORMATS ........................................................................................................................................................... 24 AUDIO INTERFACE CONTROL................................................................................................................................................. 27 DAC FEATURES........................................................................................................................................................................ 30 ADC FEATURES........................................................................................................................................................................ 37 DIGITAL ROUTING OPTIONS ................................................................................................................................................... 38 CLOCK SELECTION.................................................................................................................................................................. 40 PHASE-LOCKED LOOPS AND S/PDIF CLOCKING (SOFTWARE MODE) ............................................................................... 46 PHASE-LOCKED LOOPS AND S/PDIF CLOCKING (HARDWARE MODE) .............................................................................. 53 S/PDIF TRANSCEIVER ............................................................................................................................................................. 54 S/PDIF TRANSMITTER ............................................................................................................................................................. 55 S/PDIF RECEIVER .................................................................................................................................................................... 58 POWERDOWN MODES ............................................................................................................................................................ 66 INTERNAL POWER ON RESET CIRCUIT................................................................................................................................. 67 HARDWARE CONTROL MODE ................................................................................................................................................ 70 REGISTER MAP ........................................................................................................................................................................ 73 DIGITAL FILTER CHARACTERISTICS.......................................................................................................................................... 88 DAC FILTER RESPONSES ....................................................................................................................................................... 88 DIGITAL DE-EMPHASIS CHARACTERISTICS ......................................................................................................................... 89 ADC FILTER RESPONSES ....................................................................................................................................................... 90 ADC HIGH PASS FILTER .......................................................................................................................................................... 90 RECOMMENDED EXTERNAL COMPONENTS............................................................................................................................. 91 PACKAGE DIMENSIONS............................................................................................................................................................... 93 IMPORTANT NOTICE .................................................................................................................................................................... 94 ADDRESS:................................................................................................................................................................................. 94 |
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