WM9712CLGEFLSLASHV datasheet(3/78 Pages) WOLFSON

3 / 78 page

Production Data

WM9712L

PD, Rev 4.6, November 2011

CONTROLLING THE TOUCHPANEL DIGITISER......................................................... 42

AUXILIARY ADC INPUTS ................................................................................... 47

BATTERY MEASUREMENT USING THE BMON/AUX3 PIN ........................................ 47

BATTERY ALARM AND ANALOGUE COMPARATORS ................................... 48

GPIO AND INTERRUPT CONTROL ................................................................... 51

POWER MANAGEMENT ............................................................................................... 55

AC97 DATA AND CONTROL INTERFACE ........................................................ 58

INTERFACE PROTOCOL .............................................................................................. 58

INTERFACE TIMING ..................................................................................................... 59

APPLICATIONS INFORMATION ........................................................................ 71

RECOMMENDED EXTERNAL COMPONENTS............................................................ 71

RECOMMENDED COMPONENTS VALUES................................................................. 72

LINE OUTPUT................................................................................................................ 72

AC-COUPLED HEADPHONE OUTPUT ........................................................................ 73

DC COUPLED (CAPLESS) HEADPHONE OUTPUT .................................................... 73

BTL LOUDSPEAKER OUTPUT ..................................................................................... 74

COMBINED HEADSET / BTL EAR SPEAKER .............................................................. 74

COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER.......................................... 74

JACK INSERT DETECTION .......................................................................................... 75

HOOKSWITCH DETECTION ......................................................................................... 75

PACKAGE DRAWING......................................................................................... 76

IMPORTANT NOTICE ......................................................................................... 77

ADDRESS: ..................................................................................................................... 77

REVISION HISTORY ........................................................................................... 78

WM9712CLGEFL/V Datasheet(PDF) 3 Page - Wolfson Microelectronics plc