WM9714LGEFLSLASHV datasheet(3/94 Pages) WOLFSON

3 / 94 page

Pre-Production

WM9714L

PP Rev 3.0 June 2006

MIXER OVERVIEW ..................................................................................................... 43

HEADPHONE MIXERS ................................................................................................ 43

SPEAKER MIXER ........................................................................................................ 43

MONO MIXER.............................................................................................................. 44

MIXER OUTPUT INVERTERS..................................................................................... 44

ANALOGUE AUDIO OUTPUTS ...........................................................................45

HEADPHONE OUTPUTS – HPL AND HPR................................................................. 45

MONO OUTPUT .......................................................................................................... 46

SPEAKER OUTPUTS – SPKL AND SPKR .................................................................. 47

AUXILIARY OUTPUTS – OUT3 AND OUT4 ................................................................ 48

THERMAL SENSOR .................................................................................................... 49

JACK INSERTION AND AUTO-SWITCHING............................................................... 50

DIGITAL AUDIO (SPDIF) OUTPUT......................................................................53

AUXILIARY ADC ..................................................................................................54

ADDITIONAL FEATURES....................................................................................58

BATTERY ALARM AND ANALOGUE COMPARATORS.............................................. 58

GPIO AND INTERRUPT CONTROL............................................................................ 61

POWER MANAGEMENT .....................................................................................65

INTRODUCTION.......................................................................................................... 65

AC97 CONTROL REGISTER....................................................................................... 65

EXTENDED POWERDOWN REGISTERS .................................................................. 65

ADDITIONAL POWER MANAGEMENT....................................................................... 66

POWER ON RESET (POR) ......................................................................................... 67

AC97 INTERFACE TIMING.......................................................................................... 67

APPLICATIONS INFORMATION .........................................................................85

RECOMMENDED EXTERNAL COMPONENTS........................................................... 85

LINE OUTPUT ............................................................................................................. 86

AC-COUPLED HEADPHONE OUTPUT....................................................................... 86

DC COUPLED (CAPLESS) HEADPHONE OUTPUT ................................................... 87

BTL LOUDSPEAKER OUTPUT ................................................................................... 87

COMBINED HEADSET / BTL EAR SPEAKER............................................................. 87

COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER......................................... 88

JACK INSERT DETECTION ........................................................................................ 88

HOOKSWITCH DETECTION....................................................................................... 89

TYPICAL OUTPUT CONFIGURATIONS ..................................................................... 90

PACKAGE DIMENSIONS ....................................................................................93

IMPORTANT NOTICE ..........................................................................................94

ADDRESS:................................................................................................................... 94

WM9714LGEFL/V Datasheet(PDF) 3 Page - Wolfson Microelectronics plc