WM9714L
TABLE OF CONTENTS
Pre-Production
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................4
ORDERING INFORMATION ..................................................................................4
PIN DESCRIPTION ................................................................................................5
ABSOLUTE MAXIMUM RATINGS.........................................................................6
RECOMMENDED OPERATING CONDITIONS .....................................................6
ELECTRICAL CHARACTERISTICS ......................................................................7
AUDIO OUTPUTS.......................................................................................................... 7
AUDIO INPUTS.............................................................................................................. 8
AUXILIARY MONO DAC (AUXDAC).............................................................................. 8
PCM VOICE DAC (VXDAC) ........................................................................................... 8
AUXILIARY ADC............................................................................................................ 9
COMPARATORS ........................................................................................................... 9
REFERENCE VOLTAGES ............................................................................................. 9
DIGITAL INTERFACE CHARACTERISTICS................................................................ 10
POWER CONSUMPTION ....................................................................................10
DEVICE DESCRIPTION.......................................................................................11
INTRODUCTION.......................................................................................................... 11
AUDIO PATHS OVERVIEW......................................................................................... 12
CLOCK GENERATION ................................................................................................ 13
CLOCK DIVISION MODES .......................................................................................... 13
PLL MODE ................................................................................................................... 16
DIGITAL INTERFACES................................................................................................ 18
AC97 INTERFACE ....................................................................................................... 18
PCM INTERFACE ........................................................................................................ 19
AUDIO ADCS .......................................................................................................24
STEREO ADC.............................................................................................................. 24
RECORD SELECTOR ................................................................................................. 25
RECORD GAIN............................................................................................................ 26
AUTOMATIC LEVEL CONTROL.................................................................................. 27
AUDIO DACS .......................................................................................................30
STEREO DAC.............................................................................................................. 30
VOICE DAC ................................................................................................................. 33
AUXILIARY DAC.......................................................................................................... 34
VARIABLE RATE AUDIO / SAMPLE RATE CONVERSION ...............................35
AUDIO INPUTS ....................................................................................................36
LINE INPUT ................................................................................................................. 36
MICROPHONE INPUT................................................................................................. 36
MONOIN INPUT........................................................................................................... 40
PCBEEP INPUT ........................................................................................................... 41
DIFFERENTIAL MONO INPUT .................................................................................... 42
AUDIO MIXERS....................................................................................................43
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PP Rev 3.0 June 2006
2
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
