WM9714L_06 WOLFSON [Wolfson Microelectronics plc], WM9714L_06 Datasheet - Page 3

• Manufacturer Part Number: WM9714L_06
• Description: AC 97 Audio CODEC
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Pre-Production
ANALOGUE AUDIO OUTPUTS ...........................................................................45
DIGITAL AUDIO (SPDIF) OUTPUT......................................................................53
AUXILIARY ADC ..................................................................................................54
ADDITIONAL FEATURES....................................................................................58
POWER MANAGEMENT .....................................................................................65
REGISTER MAP...................................................................................................71
APPLICATIONS INFORMATION .........................................................................85
PACKAGE DIMENSIONS ....................................................................................93
IMPORTANT NOTICE ..........................................................................................94
w
MIXER OVERVIEW ..................................................................................................... 43
HEADPHONE MIXERS ................................................................................................ 43
SPEAKER MIXER ........................................................................................................ 43
MONO MIXER.............................................................................................................. 44
MIXER OUTPUT INVERTERS..................................................................................... 44
HEADPHONE OUTPUTS – HPL AND HPR................................................................. 45
MONO OUTPUT .......................................................................................................... 46
SPEAKER OUTPUTS – SPKL AND SPKR .................................................................. 47
AUXILIARY OUTPUTS – OUT3 AND OUT4 ................................................................ 48
THERMAL SENSOR .................................................................................................... 49
JACK INSERTION AND AUTO-SWITCHING............................................................... 50
BATTERY ALARM AND ANALOGUE COMPARATORS.............................................. 58
GPIO AND INTERRUPT CONTROL............................................................................ 61
INTRODUCTION.......................................................................................................... 65
AC97 CONTROL REGISTER....................................................................................... 65
EXTENDED POWERDOWN REGISTERS .................................................................. 65
ADDITIONAL POWER MANAGEMENT....................................................................... 66
POWER ON RESET (POR) ......................................................................................... 67
AC97 INTERFACE TIMING.......................................................................................... 67
REGISTER BITS BY ADDRESS .................................................................................. 72
RECOMMENDED EXTERNAL COMPONENTS........................................................... 85
LINE OUTPUT ............................................................................................................. 86
AC-COUPLED HEADPHONE OUTPUT....................................................................... 86
DC COUPLED (CAPLESS) HEADPHONE OUTPUT ................................................... 87
BTL LOUDSPEAKER OUTPUT ................................................................................... 87
COMBINED HEADSET / BTL EAR SPEAKER............................................................. 87
COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER......................................... 88
JACK INSERT DETECTION ........................................................................................ 88
HOOKSWITCH DETECTION....................................................................................... 89
TYPICAL OUTPUT CONFIGURATIONS ..................................................................... 90
ADDRESS:................................................................................................................... 94
PP Rev 3.0 June 2006
WM9714L
3