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WM1811A 数据表(PDF) 3 Page - Wolfson Microelectronics plc

部件名 WM1811A
功能描述  Multi-Channel Audio Hub CODEC for Smartphones
Download  328 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM1811A 数据表(HTML) 3 Page - Wolfson Microelectronics plc

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Production Data
WM1811A
w
PD, November 2013, Rev 4.1
3
ANALOGUE TO DIGITAL CONVERTER (ADC) ...................................................................... 55 
ADC CLOCKING CONTROL .........................................................................................................................................................56
 
DIGITAL CORE ARCHITECTURE ........................................................................................... 57 
DIGITAL MIXING...................................................................................................................... 59 
AUDIO INTERFACE 1 (AIF1) OUTPUT DIGITAL MIXING............................................................................................................60
 
DIGITAL SIDETONE VOLUME AND FILTER CONTROL.............................................................................................................60
 
DAC OUTPUT DIGITAL MIXING...................................................................................................................................................62
 
AUDIO INTERFACE 2 (AIF2) OUTPUT DIGITAL MIXING............................................................................................................63
 
DIGITAL VOLUME (DAC AND AIF2 OUTPUT PATHS)................................................................................................................64
 
DIGITAL VOLUME SOFT MUTE AND SOFT UN-MUTE ..............................................................................................................67
 
ULTRASONIC (4FS) AIF OUTPUT MODE....................................................................................................................................69
 
DYNAMIC RANGE CONTROL (DRC) ..................................................................................... 70 
DRC COMPRESSION / EXPANSION /LIMITING..........................................................................................................................71
 
GAIN LIMITS..................................................................................................................................................................................72
 
DYNAMIC CHARACTERISTICS ...................................................................................................................................................73
 
ANTI-CLIP CONTROL ...................................................................................................................................................................73
 
QUICK RELEASE CONTROL .......................................................................................................................................................73
 
SIGNAL ACTIVITY DETECT .........................................................................................................................................................73
 
DRC REGISTER CONTROLS.......................................................................................................................................................74
 
RETUNETM MOBILE PARAMETRIC EQUALIZER (EQ)........................................................... 80 
DEFAULT MODE (5-BAND PARAMETRIC EQ) ...........................................................................................................................80
 
RETUNE
TM MOBILE MODE...........................................................................................................................................................82 
EQ FILTER CHARACTERISTICS .................................................................................................................................................83
 
3D STEREO EXPANSION ....................................................................................................... 84 
DIGITAL VOLUME AND FILTER CONTROL........................................................................... 85 
AIF1 - OUTPUT PATH VOLUME CONTROL ................................................................................................................................85
 
AIF1 - OUTPUT PATH HIGH PASS FILTER.................................................................................................................................87
 
AIF1 - INPUT PATH VOLUME CONTROL ....................................................................................................................................88
 
AIF1 - INPUT PATH SOFT MUTE CONTROL ..............................................................................................................................90
 
AIF1 - INPUT PATH NOISE GATE CONTROL .............................................................................................................................90
 
AIF1 - INPUT PATH MONO MIX CONTROL.................................................................................................................................91
 
AIF2 - OUTPUT PATH VOLUME CONTROL ................................................................................................................................91
 
AIF2 - OUTPUT PATH HIGH PASS FILTER.................................................................................................................................92
 
AIF2 - INPUT PATH VOLUME CONTROL ....................................................................................................................................93
 
AIF2 - INPUT PATH SOFT MUTE CONTROL ..............................................................................................................................94
 
AIF2 - INPUT PATH NOISE GATE CONTROL .............................................................................................................................95
 
AIF2- INPUT PATH MONO MIX CONTROL..................................................................................................................................95
 
DIGITAL TO ANALOGUE CONVERTER (DAC) ...................................................................... 96 
DAC CLOCKING CONTROL .........................................................................................................................................................96
 
ANALOGUE OUTPUT SIGNAL PATH ..................................................................................... 98 
OUTPUT SIGNAL PATHS ENABLE..............................................................................................................................................99
 
HEADPHONE SIGNAL PATHS ENABLE....................................................................................................................................100
 
OUTPUT MIXER CONTROL .......................................................................................................................................................103
 
SPEAKER MIXER CONTROL .....................................................................................................................................................107
 
OUTPUT SIGNAL PATH VOLUME CONTROL...........................................................................................................................109
 
SPEAKER BOOST MIXER ..........................................................................................................................................................114
 
EARPIECE DRIVER MIXER........................................................................................................................................................114
 
LINE OUTPUT MIXERS ..............................................................................................................................................................115
 
CHARGE PUMP..................................................................................................................... 119 
DC SERVO............................................................................................................................. 121 
DC SERVO ENABLE AND START-UP .......................................................................................................................................121
 
GPIO / INTERRUPT OUTPUTS FROM DC SERVO...................................................................................................................123
 
ANALOGUE OUTPUTS ......................................................................................................... 124 
SPEAKER OUTPUT CONFIGURATIONS...................................................................................................................................124
 
HEADPHONE OUTPUT CONFIGURATIONS.............................................................................................................................127
 


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