WM8962B datasheet(4/295 Pages) WOLFSON

4 / 295 page

WM8962

Rev 4.3

ADC DIGITAL VOLUME CONTROL.......................................................................................................... 67

ADC OVERSAMPLING RATIO (OSR)....................................................................................................... 69

ADC MONOMIX......................................................................................................................................... 69

DSP SIGNAL ENHANCEMENTS ................................................................................. 70

ENABLE SEQUENCE - ENHANCEMENTS INITIALLY DISABLED .......................................................... 70

ENABLE / DISABLE SEQUENCE - ENHANCEMENTS INITIALLY ENABLED ......................................... 71

DISABLE ALL SOUND ENHANCEMENTS SEQUENCE .......................................................................... 72

UPDATE / READBACK SEQUENCE - ENHANCEMENTS INITIALLY ENABLED .................................... 73

UPDATE / READBACK SEQUENCE - ENHANCEMENTS INITIALLY DISABLED ................................... 74

ADC SIGNAL PATH ENHANCEMENTS....................................................................... 75

ADC SECOND ORDER HIGH-PASS FILTER ........................................................................................... 75

LOW-PASS / HIGH-PASS FILTER (LPF/HPF) .......................................................................................... 77

3D SURROUND ........................................................................................................................................ 78

DF1 FILTER............................................................................................................................................... 81

ADC RETUNE ........................................................................................................................................... 83

DYNAMIC RANGE CONTROL (DRC) ....................................................................................................... 84

DIGITAL MIXING.......................................................................................................... 92

DIGITAL MIXING PATHS .......................................................................................................................... 92

DIGITAL SIDETONE.................................................................................................................................. 93

T-LOOPBACK............................................................................................................................................ 95

DAC SIGNAL PATH ENHANCEMENTS....................................................................... 97

5-BAND EQ ............................................................................................................................................... 97

DYNAMIC RANGE CONTROL (DRC) ..................................................................................................... 101

DAC SECOND ORDER HIGH-PASS FILTER ......................................................................................... 102

VIRTUAL SURROUND SOUND (VSS).................................................................................................... 103

HD BASS ................................................................................................................................................. 104

DAC RETUNE ......................................................................................................................................... 105

DIGITAL-TO-ANALOGUE CONVERTER (DAC) ........................................................ 106

DAC CLOCKING CONTROL ................................................................................................................... 107

DAC DIGITAL VOLUME CONTROL........................................................................................................ 107

DAC SOFT MUTE AND UN-MUTE.......................................................................................................... 109

DAC AUTO-MUTE ................................................................................................................................... 111

DAC MONO MIX...................................................................................................................................... 111

DAC DE-EMPHASIS................................................................................................................................ 112

DAC OVERSAMPLING RATIO (OSR)..................................................................................................... 112

DIGITAL BEEP GENERATOR ................................................................................... 113

OUTPUT SIGNAL PATH ............................................................................................ 114

OUTPUT SIGNAL PATHS ENABLE ........................................................................................................ 115

SPEAKER OUTPUT PATHS ...................................................................................... 116

SPEAKER MIXER CONTROL ................................................................................................................. 116

SPEAKER OUTPUT PGA CONTROL ..................................................................................................... 119

SPEAKER OUTPUT CONFIGURATIONS............................................................................................... 121

HEADPHONE OUTPUT PATHS ................................................................................ 124

HEADPHONE SIGNAL PATHS ENABLE ................................................................................................ 124

HEADPHONE MIXER CONTROL ........................................................................................................... 126

HEADPHONE OUTPUT PGA CONTROL ............................................................................................... 129

HEADPHONE OUTPUT CONFIGURATIONS ......................................................................................... 130

CHARGE PUMP......................................................................................................... 131

DC SERVO ................................................................................................................ 133

DC SERVO ENABLE AND START-UP.................................................................................................... 133

DC SERVO ACTIVE MODES .................................................................................................................. 135

REFERENCE VOLTAGES AND BIAS CONTROL...................................................... 136

ANALOGUE REFERENCE AND MASTER BIAS .................................................................................... 136

INPUT SIGNAL PATH BIAS CONTROL SETTINGS ............................................................................... 136

OUTPUT SIGNAL PATH BIAS CONTROL SETTINGS ........................................................................... 137

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