WM5102 datasheet(6/334 Pages) WOLFSON

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WM5102

Production Data

PD, June 2014, Rev 4.2

DRC SIGNAL DETECT SEQUENCES ........................................................................................................................................261

SEQUENCER OUTPUTS AND READBACK...............................................................................................................................262

PROGRAMMING A SEQUENCE ................................................................................................................................................262

SEQUENCER MEMORY DEFINITION........................................................................................................................................263

CHARGE PUMPS, REGULATORS AND VOLTAGE REFERENCE ...................................... 265

CHARGE PUMPS AND LDO2 REGULATOR .............................................................................................................................265

MICBIAS BIAS (MICBIAS) CONTROL ........................................................................................................................................265

VOLTAGE REFERENCE CIRCUIT .............................................................................................................................................266

LDO1 REGULATOR AND DCVDD SUPPLY...............................................................................................................................266

BLOCK DIAGRAM AND CONTROL REGISTERS ......................................................................................................................267

JTAG INTERFACE................................................................................................................... 272

THERMAL SHUTDOWN.......................................................................................................... 272

POWER-ON RESET (POR) AND HARDWARE RESET ........................................................ 273

SOFTWARE RESET, WAKE-UP, AND DEVICE ID................................................................ 277

REGISTER MAP ......................................................................................................... 279

APPLICATIONS INFORMATION ............................................................................... 314

RECOMMENDED EXTERNAL COMPONENTS..................................................................... 314

ANALOGUE INPUT PATHS ........................................................................................................................................................314

DIGITAL MICROPHONE INPUT PATHS ....................................................................................................................................314

MICROPHONE BIAS CIRCUIT ...................................................................................................................................................315

HEADPHONE/EARPIECE DRIVER OUTPUT PATH ..................................................................................................................316

SPEAKER DRIVER OUTPUT PATH ...........................................................................................................................................318

POWER SUPPLY / REFERENCE DECOUPLING ......................................................................................................................320

CHARGE PUMP COMPONENTS ...............................................................................................................................................321

EXTERNAL ACCESSORY DETECTION COMPONENTS..........................................................................................................321

RECOMMENDED EXTERNAL COMPONENTS DIAGRAM .......................................................................................................323

RESETS SUMMARY................................................................................................................ 324

DIGITAL AUDIO INTERFACE CLOCKING CONFIGURATIONS ........................................... 325

PCB LAYOUT CONSIDERATIONS......................................................................................... 329

PACKAGE DIMENSIONS........................................................................................... 330

IMPORTANT NOTICE ................................................................................................ 331

ADDRESS: ............................................................................................................................... 331

REVISION HISTORY .................................................................................................. 332

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