WM5102 Datasheet, PDF (6/334 Pages) Wolfson Microelectronics plc – Audio Hub CODEC with Voice Processor DSP

WM5102
Production Data
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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PD, June 2014, Rev 4.2
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