WM9713L_06 WOLFSON [Wolfson Microelectronics plc], WM9713L_06 Datasheet - Page 3

• Manufacturer Part Number: WM9713L_06
• Description: AC 97 Audio + Touchpanel CODEC
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Pre-Production
AUDIO MIXERS....................................................................................................46
ANALOGUE AUDIO OUTPUTS ...........................................................................48
DIGITAL AUDIO (SPDIF) OUTPUT......................................................................56
TOUCHPANEL INTERFACE................................................................................57
ADDITIONAL FEATURES....................................................................................71
POWER MANAGEMENT .....................................................................................79
REGISTER MAP...................................................................................................85
APPLICATIONS INFORMATION .........................................................................99
PACKAGE DIMENSIONS ..................................................................................107
IMPORTANT NOTICE ........................................................................................108
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MIXER OVERVIEW ..................................................................................................... 46
HEADPHONE MIXERS ................................................................................................ 46
SPEAKER MIXER ........................................................................................................ 46
MONO MIXER.............................................................................................................. 47
MIXER OUTPUT INVERTERS..................................................................................... 47
HEADPHONE OUTPUTS – HPL AND HPR................................................................. 48
MONO OUTPUT .......................................................................................................... 49
SPEAKER OUTPUTS – SPKL AND SPKR .................................................................. 50
AUXILIARY OUTPUTS – OUT3 AND OUT4 ................................................................ 51
THERMAL SENSOR .................................................................................................... 52
JACK INSERTION AND AUTO-SWITCHING............................................................... 53
PRINCIPLE OF OPERATION - FIVE-WIRE TOUCHPANEL........................................ 60
CONTROLLING THE TOUCHPANEL DIGITISER ....................................................... 62
AUXILIARY ADC INPUTS............................................................................................ 71
BATTERY ALARM AND ANALOGUE COMPARATORS.............................................. 72
GPIO AND INTERRUPT CONTROL............................................................................ 75
INTRODUCTION.......................................................................................................... 79
AC97 CONTROL REGISTER....................................................................................... 79
EXTENDED POWERDOWN REGISTERS .................................................................. 79
ADDITIONAL POWER MANAGEMENT....................................................................... 80
POWER ON RESET (POR) ......................................................................................... 81
AC97 INTERFACE TIMING.......................................................................................... 81
REGISTER BITS BY ADDRESS .................................................................................. 86
RECOMMENDED EXTERNAL COMPONENTS........................................................... 99
LINE OUTPUT ........................................................................................................... 100
AC-COUPLED HEADPHONE OUTPUT..................................................................... 100
DC COUPLED (CAPLESS) HEADPHONE OUTPUT ................................................. 101
BTL LOUDSPEAKER OUTPUT ................................................................................. 101
COMBINED HEADSET / BTL EAR SPEAKER........................................................... 102
COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER....................................... 102
JACK INSERT DETECTION ...................................................................................... 103
HOOKSWITCH DETECTION..................................................................................... 103
TYPICAL OUTPUT CONFIGURATIONS ................................................................... 104
ADDRESS:................................................................................................................. 108
PP Rev 3.0 June 2006
WM9713L
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