wm8903 Wolfson Microelectronics plc, wm8903 Datasheet - Page 3

• Manufacturer Part Number: wm8903
• Description: Ultra Low Power Codec For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
REGISTER MAP ................................................................................................. 113
APPLICATIONS INFORMATION ....................................................................... 153
IMPORTANT NOTICE ........................................................................................ 158
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GENERAL PURPOSE INPUT/OUTPUT (GPIO) .......................................................... 91
INTERRUPTS.............................................................................................................. 96
CONTROL INTERFACE .............................................................................................. 98
CONTROL WRITE SEQUENCER ............................................................................. 100
POWER-ON RESET ................................................................................................. 109
QUICK START-UP AND SHUTDOWN ...................................................................... 111
CHIP RESET AND DEVICE ID .................................................................................. 112
REGISTER BITS BY ADDRESS ............................................................................... 117
RECOMMENDED EXTERNAL COMPONENTS ........................................................ 153
MIC DETECTION SEQUENCE USING MICBIAS CURRENT .................................... 154
ADDRESS ................................................................................................................. 158
PP, Rev 3.1, August 2009
WM8903
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