WM9714CLGEFLSLASHV datasheet(3/120 Pages) CIRRUS

3 / 120 page

WM9714L

Rev 4.0

AUDIO MIXERS............................................................................................................ 52

MIXER OVERVIEW..................................................................................................................52

HEADPHONE MIXERS ............................................................................................................52

SPEAKER MIXER ....................................................................................................................52

MONO MIXER ..........................................................................................................................53

MIXER OUTPUT INVERTERS.................................................................................................53

ANALOGUE AUDIO OUTPUTS ................................................................................... 54

HEADPHONE OUTPUTS

– HPL AND HPR ............................................................................54

MONO OUTPUT.......................................................................................................................55

SPEAKER OUTPUTS

– SPKL AND SPKR..............................................................................56

AUXILIARY OUTPUTS

– OUT3 AND OUT4............................................................................57

THERMAL SENSOR ................................................................................................................59

JACK INSERTION AND AUTO-SWITCHING ..........................................................................59

DIGITAL AUDIO (S/PDIF) OUTPUT............................................................................. 63

AUXILIARY ADC .......................................................................................................... 64

ADDITIONAL FEATURES............................................................................................ 69

BATTERY ALARM AND ANALOGUE COMPARATORS .........................................................69

GPIO AND INTERRUPT CONTROL........................................................................................72

POWER MANAGEMENT.............................................................................................. 76

INTRODUCTION ......................................................................................................................76

AC97 CONTROL REGISTER...................................................................................................76

EXTENDED POWERDOWN REGISTERS ..............................................................................77

ADDITIONAL POWER MANAGEMENT...................................................................................79

POWER-ON RESET (POR) .....................................................................................................79

REGISTER MAP ........................................................................................................... 80

REGISTER BITS BY ADDRESS ..............................................................................................81

APPLICATIONS INFORMATION ............................................................................... 110

RECOMMENDED EXTERNAL COMPONENTS ....................................................................110

LINE OUTPUT........................................................................................................................111

AC-COUPLED HEADPHONE OUTPUT ................................................................................111

DC-COUPLED (CAPLESS) HEADPHONE OUTPUT ............................................................112

BTL LOUDSPEAKER OUTPUT .............................................................................................112

COMBINED HEADSET / BTL EAR SPEAKER ......................................................................113

COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER ..................................................113

JACK INSERT DETECTION ..................................................................................................114

HOOKSWITCH DETECTION .................................................................................................114

TYPICAL OUTPUT CONFIGURATIONS ...............................................................................115

PACKAGE DIMENSIONS........................................................................................... 118

IMPORTANT NOTICE ................................................................................................ 119

REVISION HISTORY .................................................................................................. 120

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