WM1811A datasheet(4/328 Pages) WOLFSON

4 / 328 page

WM1811A

Production Data

PD, November 2013, Rev 4.1

EARPIECE DRIVER OUTPUT CONFIGURATIONS...................................................................................................................128

LINE OUTPUT CONFIGURATIONS............................................................................................................................................128

EXTERNAL ACCESSORY DETECTION ............................................................................... 131

JACK DETECT ............................................................................................................................................................................131

MICROPHONE / ACCESSORY DETECT ...................................................................................................................................134

EXTERNAL ACCESSORY DETECTION CLOCKING.................................................................................................................139

EXTERNAL ACCESSORY DETECTION WITH LOW FREQUENCY SYSCLK...........................................................................139

GENERAL PURPOSE INPUT/OUTPUT ................................................................................ 140

GPIO CONTROL .........................................................................................................................................................................140

GPIO FUNCTION SELECT .........................................................................................................................................................141

BUTTON DETECT (GPIO INPUT)...............................................................................................................................................143

LOGIC ‘1’ AND LOGIC ‘0’ OUTPUT (GPIO OUTPUT) ................................................................................................................143

INTERRUPT (IRQ) STATUS OUTPUT........................................................................................................................................143

OVER-TEMPERATURE DETECTION.........................................................................................................................................143

MICROPHONE ACCESSORY STATUS DETECTION................................................................................................................144

FREQUENCY LOCKED LOOP (FLL) LOCK STATUS OUTPUT ................................................................................................144

SAMPLE RATE CONVERTER (SRC) LOCK STATUS OUTPUT ...............................................................................................144

DYNAMIC RANGE CONTROL (DRC) SIGNAL ACTIVITY DETECTION....................................................................................145

DIGITAL CORE FIFO ERROR STATUS DETECTION................................................................................................................146

OPCLK CLOCK OUTPUT............................................................................................................................................................147

FLL CLOCK OUTPUT..................................................................................................................................................................147

INTERRUPTS ........................................................................................................................ 148

DIGITAL AUDIO INTERFACE................................................................................................ 152

MASTER AND SLAVE MODE OPERATION...............................................................................................................................153

OPERATION WITH TDM.............................................................................................................................................................153

AUDIO DATA FORMATS (NORMAL MODE)..............................................................................................................................154

AUDIO DATA FORMATS (TDM MODE) .....................................................................................................................................157

DIGITAL AUDIO INTERFACE CONTROL ............................................................................. 159

AIF1 - MASTER / SLAVE AND TRI-STATE CONTROL..............................................................................................................159

AIF1 - SIGNAL PATH ENABLE ...................................................................................................................................................160

AIF1 - BCLK AND LRCLK CONTROL .........................................................................................................................................160

AIF1 - DIGITAL AUDIO DATA CONTROL...................................................................................................................................163

AIF1 - MONO MODE ...................................................................................................................................................................165

AIF1 - COMPANDING .................................................................................................................................................................165

AIF1 - LOOPBACK ......................................................................................................................................................................167

AIF1 - DIGITAL PULL-UP AND PULL-DOWN.............................................................................................................................167

AIF2 - MASTER / SLAVE AND TRI-STATE CONTROL..............................................................................................................167

AIF2 - SIGNAL PATH ENABLE ...................................................................................................................................................168

AIF2 - BCLK AND LRCLK CONTROL .........................................................................................................................................169

AIF2 - DIGITAL AUDIO DATA CONTROL...................................................................................................................................171

AIF2 - MONO MODE ...................................................................................................................................................................172

AIF2 - COMPANDING .................................................................................................................................................................173

AIF2 - LOOPBACK ......................................................................................................................................................................173

AIF2 - DIGITAL PULL-UP AND PULL-DOWN.............................................................................................................................174

AIF3 - SIGNAL PATH CONFIGURATION AND TRI-STATE CONTROL.....................................................................................175

AIF3 - BCLK AND LRCLK CONTROL .........................................................................................................................................177

AIF3 - DIGITAL AUDIO DATA CONTROL...................................................................................................................................178

AIF3 - COMPANDING .................................................................................................................................................................179

AIF3 - LOOPBACK ......................................................................................................................................................................179

CLOCKING AND SAMPLE RATES........................................................................................ 180

AIF1CLK ENABLE .......................................................................................................................................................................181

AIF1 CLOCKING CONFIGURATION ..........................................................................................................................................182

AIF2CLK ENABLE .......................................................................................................................................................................184

AIF2 CLOCKING CONFIGURATION ..........................................................................................................................................184

MISCELLANEOUS CLOCK CONTROLS ....................................................................................................................................185

WM1811A Datasheet(PDF) 4 Page - Wolfson Microelectronics plc

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