Production Data
WM8580
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 ....................................................................................................................................... 7
RECOMMENDED OPERATING CONDITIONS .................................................................................................................... 8
ELECTRICAL CHARACTERISTICS ..................................................................................................................................... 8
TERMINOLOGY............................................................................................................................................................. 10
MASTER CLOCK TIMING.............................................................................................................................................. 11
DIGITAL AUDIO INTERFACE – MASTER MODE.......................................................................................................... 12
DIGITAL AUDIO INTERFACE – SLAVE MODE ............................................................................................................. 13
CONTROL INTERFACE TIMING – 3-WIRE MODE ....................................................................................................... 14
CONTROL INTERFACE TIMING – 2-WIRE MODE ....................................................................................................... 15
DEVICE DESCRIPTION ..................................................................................................................................................... 16
INTRODUCTION ............................................................................................................................................................ 16
CONTROL INTERFACE OPERATION ........................................................................................................................... 17
DIGITAL AUDIO INTERFACES...................................................................................................................................... 21
AUDIO DATA FORMATS ............................................................................................................................................... 23
AUDIO INTERFACE CONTROL..................................................................................................................................... 27
DAC FEATURES............................................................................................................................................................ 29
ADC FEATURES............................................................................................................................................................ 36
DIGITAL ROUTING OPTIONS ....................................................................................................................................... 37
CLOCK SELECTION...................................................................................................................................................... 39
PHASE-LOCKED LOOPS AND S/PDIF CLOCKING (SOFTWARE MODE)................................................................... 45
PHASE-LOCKED LOOPS AND S/PDIF CLOCKING (HARDWARE MODE) .................................................................. 53
S/PDIF TRANSCEIVER ................................................................................................................................................. 53
POWERDOWN MODES ................................................................................................................................................ 65
INTERNAL POWER ON RESET CIRCUIT..................................................................................................................... 67
HARDWARE CONTROL MODE .................................................................................................................................... 69
REGISTER MAP ............................................................................................................................................................ 72
DIGITAL FILTER CHARACTERISTICS.............................................................................................................................. 86
DAC FILTER RESPONSES ........................................................................................................................................... 86
DIGITAL DE-EMPHASIS CHARACTERISTICS ............................................................................................................. 87
ADC FILTER RESPONSES ........................................................................................................................................... 88
ADC HIGH PASS FILTER .............................................................................................................................................. 88
RECOMMENDED EXTERNAL COMPONENTS................................................................................................................. 89
PACKAGE DIMENSIONS................................................................................................................................................... 91
IMPORTANT NOTICE ........................................................................................................................................................ 92
ADDRESS:..................................................................................................................................................................... 92
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PD Rev 4.0 February 2007
3
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
