wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 3

• Manufacturer Part Number: wm9714l
• Description: Ac?97 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
AUDIO MIXERS....................................................................................................52
ANALOGUE AUDIO OUTPUTS ...........................................................................54
DIGITAL AUDIO (S/PDIF) OUTPUT.....................................................................62
AUXILIARY ADC ..................................................................................................64
ADDITIONAL FEATURES....................................................................................69
POWER MANAGEMENT .....................................................................................76
REGISTER MAP...................................................................................................80
APPLICATIONS INFORMATION .......................................................................110
PACKAGE DIMENSIONS ..................................................................................118
IMPORTANT NOTICE ........................................................................................119
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MONOIN INPUT........................................................................................................... 50
PCBEEP INPUT ........................................................................................................... 51
DIFFERENTIAL MONO INPUT .................................................................................... 51
MIXER OVERVIEW ..................................................................................................... 52
HEADPHONE MIXERS ................................................................................................ 52
SPEAKER MIXER ........................................................................................................ 52
MONO MIXER.............................................................................................................. 53
MIXER OUTPUT INVERTERS..................................................................................... 53
HEADPHONE OUTPUTS – HPL AND HPR................................................................. 54
MONO OUTPUT .......................................................................................................... 55
SPEAKER OUTPUTS – SPKL AND SPKR .................................................................. 56
AUXILIARY OUTPUTS – OUT3 AND OUT4 ................................................................ 57
THERMAL SENSOR .................................................................................................... 58
JACK INSERTION AND AUTO-SWITCHING............................................................... 59
BATTERY ALARM AND ANALOGUE COMPARATORS.............................................. 69
GPIO AND INTERRUPT CONTROL............................................................................ 72
INTRODUCTION.......................................................................................................... 76
AC97 CONTROL REGISTER....................................................................................... 76
EXTENDED POWERDOWN REGISTERS .................................................................. 77
ADDITIONAL POWER MANAGEMENT....................................................................... 79
POWER ON RESET (POR) ......................................................................................... 79
REGISTER BITS BY ADDRESS .................................................................................. 81
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........................................................... 112
COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER....................................... 113
JACK INSERT DETECTION ...................................................................................... 113
HOOKSWITCH DETECTION..................................................................................... 114
TYPICAL OUTPUT CONFIGURATIONS ................................................................... 115
ADDRESS:................................................................................................................. 119
PP, Rev 3.2, October 2008
WM9714L
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