wm9713 Wolfson Microelectronics plc, wm9713 Datasheet - Page 3

• Manufacturer Part Number: wm9713
• Description: Ac?97 Audio + Touchpanel Codec
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
AUDIO MIXERS....................................................................................................53
ANALOGUE AUDIO OUTPUTS ...........................................................................55
DIGITAL AUDIO (S/PDIF) OUTPUT.....................................................................63
TOUCHPANEL INTERFACE................................................................................65
ADDITIONAL FEATURES....................................................................................79
POWER MANAGEMENT .....................................................................................87
REGISTER MAP...................................................................................................91
APPLICATIONS INFORMATION .......................................................................123
PACKAGE DIMENSIONS ..................................................................................131
IMPORTANT NOTICE ........................................................................................132
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DIFFERENTIAL MONO INPUT .................................................................................... 52
MIXER OVERVIEW ..................................................................................................... 53
HEADPHONE MIXERS ................................................................................................ 53
SPEAKER MIXER ........................................................................................................ 53
MONO MIXER.............................................................................................................. 54
MIXER OUTPUT INVERTERS..................................................................................... 54
HEADPHONE OUTPUTS – HPL AND HPR................................................................. 55
MONO OUTPUT .......................................................................................................... 56
SPEAKER OUTPUTS – SPKL AND SPKR .................................................................. 57
AUXILIARY OUTPUTS – OUT3 AND OUT4 ................................................................ 58
THERMAL SENSOR .................................................................................................... 59
JACK INSERTION AND AUTO-SWITCHING............................................................... 60
PRINCIPLE OF OPERATION - FIVE-WIRE TOUCHPANEL........................................ 68
CONTROLLING THE TOUCHPANEL DIGITISER ....................................................... 70
AUXILIARY ADC INPUTS............................................................................................ 79
BATTERY ALARM AND ANALOGUE COMPARATORS.............................................. 80
GPIO AND INTERRUPT CONTROL............................................................................ 83
INTRODUCTION.......................................................................................................... 87
AC97 CONTROL REGISTER....................................................................................... 87
EXTENDED POWERDOWN REGISTERS .................................................................. 88
ADDITIONAL POWER MANAGEMENT....................................................................... 90
POWER ON RESET (POR) ......................................................................................... 90
REGISTER BITS BY ADDRESS .................................................................................. 92
RECOMMENDED EXTERNAL COMPONENTS......................................................... 123
LINE OUTPUT ........................................................................................................... 124
AC-COUPLED HEADPHONE OUTPUT..................................................................... 124
DC COUPLED (CAPLESS) HEADPHONE OUTPUT ................................................. 125
BTL LOUDSPEAKER OUTPUT ................................................................................. 125
COMBINED HEADSET / BTL EAR SPEAKER........................................................... 126
COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER....................................... 126
JACK INSERT DETECTION ...................................................................................... 127
HOOKSWITCH DETECTION..................................................................................... 127
TYPICAL OUTPUT CONFIGURATIONS ................................................................... 128
ADDRESS:................................................................................................................. 132
PP Rev 3.2 September 2008
WM9713L
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