WM8993 datasheet(3/229 Pages) WOLFSON

3 / 229 page

Production Data

WM8993

PD, November 2010, Rev 4.0

RETUNE

TM MOBILE PARAMETRIC EQUALIZER (EQ) ............................................... 59

DEFAULT MODE (5-BAND PARAMETRIC EQ) .......................................................................................................... 59

RETUNETM MOBILE MODE......................................................................................................................................... 60

EQ FILTER CHARACTERISTICS................................................................................................................................ 60

DIGITAL TO ANALOGUE CONVERTER (DAC) .......................................................... 62

DAC DIGITAL VOLUME CONTROL ............................................................................................................................ 62

DAC SOFT MUTE AND SOFT UN-MUTE ................................................................................................................... 64

DAC MONO MIX.......................................................................................................................................................... 65

DAC DE-EMPHASIS.................................................................................................................................................... 66

DAC SLOPING STOPBAND FILTER........................................................................................................................... 66

OUTPUT SIGNAL PATH.............................................................................................. 67

OUTPUT SIGNAL PATHS ENABLE ............................................................................................................................ 68

HEADPHONE SIGNAL PATHS ENABLE .................................................................................................................... 69

OUTPUT MIXER CONTROL........................................................................................................................................ 72

SPEAKER MIXER CONTROL ..................................................................................................................................... 75

OUTPUT SIGNAL PATH VOLUME CONTROL ........................................................................................................... 77

SPEAKER BOOST MIXER .......................................................................................................................................... 81

EARPIECE DRIVER MIXER ........................................................................................................................................ 82

LINE OUTPUT MIXERS............................................................................................................................................... 82

CHARGE PUMP........................................................................................................... 86

DC SERVO .................................................................................................................. 87

DC SERVO ENABLE AND START-UP........................................................................................................................ 88

DC SERVO ACTIVE MODES ...................................................................................................................................... 89

DC SERVO READBACK ............................................................................................................................................. 91

ANALOGUE OUTPUTS ............................................................................................... 92

SPEAKER OUTPUT CONFIGURATIONS ................................................................................................................... 92

HEADPHONE OUTPUT CONFIGURATIONS.............................................................................................................. 95

EARPIECE DRIVER OUTPUT CONFIGURATIONS.................................................................................................... 96

LINE OUTPUT CONFIGURATIONS ............................................................................................................................ 96

GENERAL PURPOSE INPUT/OUTPUT ...................................................................... 99

GPIO1 CONTROL ....................................................................................................................................................... 99

BUTTON DETECT..................................................................................................................................................... 100

ACCESSORY DETECTION....................................................................................................................................... 101

CLOCK OUTPUT....................................................................................................................................................... 103

FLL LOCK STATUS OUTPUT ................................................................................................................................... 105

TEMPERATURE SENSOR OUTPUT ........................................................................................................................ 105

CONTROL WRITE SEQUENCER STATUS .............................................................................................................. 107

LOGIC ‘1’ AND LOGIC ‘0’ OUTPUT .......................................................................................................................... 107

INTERRUPTS............................................................................................................................................................ 108

GPIO SUMMARY ...................................................................................................................................................... 109

DIGITAL AUDIO INTERFACE.................................................................................... 111

MASTER AND SLAVE MODE OPERATION ............................................................................................................. 111

OPERATION WITH TDM........................................................................................................................................... 112

BCLK FREQUENCY .................................................................................................................................................. 113

AUDIO DATA FORMATS (NORMAL MODE)............................................................................................................. 113

AUDIO DATA FORMATS (TDM MODE) .................................................................................................................... 115

DIGITAL AUDIO INTERFACE CONTROL ................................................................. 117

AUDIO INTERFACE OUTPUT TRI-STATE ............................................................................................................... 118

BCLK AND LRCLK CONTROL .................................................................................................................................. 118

COMPANDING .......................................................................................................................................................... 120

LOOPBACK............................................................................................................................................................... 121

DIGITAL PULL-UP AND PULL-DOWN ...................................................................................................................... 122

CLOCKING AND SAMPLE RATES............................................................................ 123

CLK_SYS CONTROL ................................................................................................................................................ 125

AUTOMATIC CLOCKING CONFIGURATION............................................................................................................ 126

WM8993 Datasheet(PDF) 3 Page - Wolfson Microelectronics plc

WM8993 Datasheet(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

Datasheet Download

Link URL