WM1811A datasheet(3/328 Pages) WOLFSON

3 / 328 page

Production Data

WM1811A

PD, November 2013, Rev 4.1

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

WM1811A датащи(PDF) 3 Page - Wolfson Microelectronics plc

WM1811A датащи(HTML) 3 Page - Wolfson Microelectronics plc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL