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WM8998 Datasheet(PDF) 6 Page - Wolfson Microelectronics plc

Part # WM8998
Description  High Performance Audio Hub CODEC
Download  307 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8998 Datasheet(HTML) 6 Page - Wolfson Microelectronics plc

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WM8998
Production Data
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PD, October 2014, Rev 4.0
6
BLOCK DIAGRAM AND CONTROL REGISTERS.................................................................................................................. 249
THERMAL SHUTDOWN AND SHORT CIRCUIT PROTECTION .........................................254
POWER-ON RESET (POR) .................................................................................................255
HARDWARE RESET, SOFTWARE RESET, WAKE-UP, AND DEVICE ID ..........................258
REGISTER MAP......................................................................................................... 260
APPLICATIONS INFORMATION ............................................................................... 290
RECOMMENDED EXTERNAL COMPONENTS...................................................................290
ANALOGUE INPUT PATHS ................................................................................................................................................... 290
DIGITAL MICROPHONE INPUT PATHS................................................................................................................................ 290
MICROPHONE BIAS CIRCUIT............................................................................................................................................... 291
HEADPHONE/LINE/EARPIECE DRIVER OUTPUT PATH ..................................................................................................... 293
SPEAKER DRIVER OUTPUT PATH ...................................................................................................................................... 294
POWER SUPPLY / REFERENCE DECOUPLING .................................................................................................................. 296
CHARGE PUMP COMPONENTS........................................................................................................................................... 297
EXTERNAL ACCESSORY DETECTION COMPONENTS ...................................................................................................... 297
RECOMMENDED EXTERNAL COMPONENTS DIAGRAM.................................................................................................... 299
RESETS SUMMARY............................................................................................................300
DIGITAL AUDIO INTERFACE CLOCKING CONFIGURATIONS..........................................301
PCB LAYOUT CONSIDERATIONS......................................................................................304
PACKAGE DIMENSIONS........................................................................................... 305
IMPORTANT NOTICE ................................................................................................ 306
ADDRESS:...........................................................................................................................306
REVISION HISTORY .................................................................................................. 307


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