WM9710SEFT Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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WM9710SEFT

AC’97 Audio CODEC and Mixer with Integrated Headphone Driver

Wolfson Microelectronics plc 

WM9710

Production Data

TABLE OF CONTENTS

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

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

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

BLOCK DIAGRAM ......................................................................................................1

TABLE OF CONTENTS ..............................................................................................2

ORDERING INFORMATION .......................................................................................3

ABSOLUTE MAXIMUM RATINGS..............................................................................3

RECOMMENDED OPERATING CONDITIONS ..........................................................4

PIN CONFIGURATION................................................................................................5

PIN DESCRIPTION .....................................................................................................6

ELECTRICAL CHARACTERISTICS ...........................................................................7

POWER CONSUMPTION ...........................................................................................9

DETAILED TIMING DIAGRAMS ...............................................................................11

AC-LINK LOW POWER MODE .........................................................................................11

COLD RESET....................................................................................................................11

WARM RESET ..................................................................................................................12

CLOCK SPECIFICATIONS ...............................................................................................12

DATA SETUP AND HOLD (50PF EXTERNAL LOAD).......................................................13

SIGNAL RISE AND FALL TIMES ......................................................................................13

DEVICE DESCRIPTION............................................................................................14

INTRODUCTION ...............................................................................................................14

AC’97 FEATURES.............................................................................................................14

NON - AC’97 FEATURES..................................................................................................14

3-D STEREO ENHANCEMENT.........................................................................................15

VARIABLE SAMPLE RATE SUPPORT .............................................................................15

SPDIF OR I2S DIGITAL AUDIO DATA OUTPUT...............................................................16

PRIMARY/SECONDARY ID SUPPORT ............................................................................16

HEADPHONE DRIVE AND HEADSET AUTODETECT .....................................................17

DATA SLOT MAPPING .....................................................................................................18

AC-LINK DIGITAL SERIAL INTERFACE PROTOCOL ......................................................18

REGISTER 28H – EXTENDED AUDIO ID.........................................................................24

REGISTER 2AH – EXTENDED AUDIO STATUS AND CONTROL REGISTER ................24

REGISTER 2CH AND 32H – AUDIO SAMPLE RATE CONTROL REGISTERS................25

REGISTERS 3AH – SPDIF CONTROL REGISTER ..........................................................25

VENDOR SPECIFIC REGISTERS (INDEX 5AH - 7AH) ....................................................25

SERIAL INTERFACE REGISTER MAP ....................................................................28

PACKAGE DIMENSIONS – TQFP............................................................................30

PACKAGE DIMENSIONS – QFN..............................................................................31

IMPORTANT NOTICE ...............................................................................................32

ADDRESS: ........................................................................................................................32

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PD Rev 4.0 December 2003

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