WM8742GEDSSLASHV datasheet(3/66 Pages) CIRRUS

3 / 66 page

WM8742

Rev 4.4

TABLE OF CONTENTS

DESCRIPTION................................................................................................................ 1

FEATURES ..................................................................................................................... 1

APPLICATIONS.............................................................................................................. 1

BLOCK DIAGRAM ......................................................................................................... 2

TABLE OF CONTENTS.................................................................................................. 3

PIN CONFIGURATION ................................................................................................... 4

ORDERING INFORMATION........................................................................................... 4

PIN DESCRIPTION (SOFTWARE CONTROL MODE)................................................... 5

PIN DESCRIPTION (HARDWARE CONTROL MODE) .................................................. 7

ABSOLUTE MAXIMUM RATINGS ................................................................................. 9

THERMAL PERFORMANCE.......................................................................................... 9

RECOMMENDED OPERATING CONDITIONS............................................................ 10

ELECTRICAL CHARACTERISTICS ............................................................................ 10

MASTER CLOCK TIMING .......................................................................................................11

PCM DIGITAL AUDIO INTERFACE TIMING...........................................................................12

DSD AUDIO INTERFACE TIMING ..........................................................................................13

CONTROL INTERFACE TIMING

– 3-WIRE MODE ................................................................14

CONTROL INTERFACE TIMING

– 2-WIRE MODE ................................................................15

INTERNAL POWER ON RESET CIRCUIT..............................................................................16

DEVICE DESCRIPTION ............................................................................................... 18

INTRODUCTION .....................................................................................................................18

CLOCKING SCHEMES ...........................................................................................................18

CONTROL INTERFACE ..........................................................................................................18

SOFTWARE CONTROL INTERFACE.....................................................................................19

DIGITAL AUDIO INTERFACE .................................................................................................21

DSD MODE .............................................................................................................................27

SOFTWARE CONTROL MODE ..............................................................................................29

HARDWARE CONTROL MODE..............................................................................................40

OVERVIEW OF FUNCTIONS ....................................................................................... 44

REGISTER MAP ........................................................................................................... 45

DIGITAL FILTER CHARACTERISTICS ....................................................................... 50

PCM MODE FILTER CHARACTERISTICS.............................................................................50

8FS MODE FILTER CHARACTERISTICS ..............................................................................52

DSD PLUS MODE FILTER CHARACTERISTICS...................................................................53

PCM MODE FILTER RESPONSE...........................................................................................54

8FS MODE FILTER RESPONSE ............................................................................................59

DSD PLUS MODE FILTER RESPONSE.................................................................................59

DSD DIRECT MODE FILTER RESPONSE.............................................................................60

DE-EMPHASIS FILTER RESPONSE......................................................................................62

APPLICATIONS INFORMATION ................................................................................. 63

PACKAGE DIMENSIONS............................................................................................. 64

IMPORTANT NOTICE .................................................................................................. 65

REVISION HISTORY .................................................................................................... 66

WM8742GEDS/V Datasheet(PDF) 3 Page - Cirrus Logic

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