WM9713 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM9713 Datasheet PDF : 108 Pages
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Pre-Production
WM9713L
AUDIO MIXERS....................................................................................................46
MIXER OVERVIEW ..................................................................................................... 46
HEADPHONE MIXERS ................................................................................................ 46
SPEAKER MIXER ........................................................................................................ 46
MONO MIXER.............................................................................................................. 47
MIXER OUTPUT INVERTERS..................................................................................... 47
ANALOGUE AUDIO OUTPUTS ...........................................................................48
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
DIGITAL AUDIO (SPDIF) OUTPUT......................................................................56
TOUCHPANEL INTERFACE................................................................................57
PRINCIPLE OF OPERATION - FIVE-WIRE TOUCHPANEL........................................ 60
CONTROLLING THE TOUCHPANEL DIGITISER ....................................................... 62
ADDITIONAL FEATURES....................................................................................71
AUXILIARY ADC INPUTS............................................................................................ 71
BATTERY ALARM AND ANALOGUE COMPARATORS.............................................. 72
GPIO AND INTERRUPT CONTROL............................................................................ 75
POWER MANAGEMENT .....................................................................................79
INTRODUCTION.......................................................................................................... 79
AC97 CONTROL REGISTER....................................................................................... 79
EXTENDED POWERDOWN REGISTERS .................................................................. 79
ADDITIONAL POWER MANAGEMENT....................................................................... 80
POWER ON RESET (POR) ......................................................................................... 81
AC97 INTERFACE TIMING.......................................................................................... 81
REGISTER MAP...................................................................................................85
REGISTER BITS BY ADDRESS .................................................................................. 86
APPLICATIONS INFORMATION .........................................................................99
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
PACKAGE DIMENSIONS ..................................................................................107
IMPORTANT NOTICE ........................................................................................108
ADDRESS:................................................................................................................. 108
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PP Rev 3.0 June 2006
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