WM9713 Просмотр технического описания (PDF) - Wolfson Microelectronics plc
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WM9713 Datasheet PDF : 108 Pages
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WM9713L
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 .....................................................7
ELECTRICAL CHARACTERISTICS ......................................................................8
AUDIO OUTPUTS.......................................................................................................... 8
AUDIO INPUTS.............................................................................................................. 9
AUXILIARY MONO DAC (AUXDAC).............................................................................. 9
PCM VOICE DAC (VXDAC) ........................................................................................... 9
TOUCHPANEL AND AUXILIARY ADC ........................................................................ 10
COMPARATORS ......................................................................................................... 10
REFERENCE VOLTAGES ........................................................................................... 10
DIGITAL INTERFACE CHARACTERISTICS................................................................ 11
POWER CONSUMPTION ....................................................................................11
DEVICE DESCRIPTION.......................................................................................12
INTRODUCTION.......................................................................................................... 12
AUDIO PATHS OVERVIEW......................................................................................... 13
CLOCK GENERATION ................................................................................................ 14
CLOCK DIVISION MODES .......................................................................................... 14
PLL MODE ................................................................................................................... 17
DIGITAL INTERFACES................................................................................................ 19
AC97 INTERFACE ....................................................................................................... 19
PCM INTERFACE ........................................................................................................ 20
AUDIO ADCS .......................................................................................................26
STEREO ADC.............................................................................................................. 26
RECORD SELECTOR ................................................................................................. 27
RECORD GAIN............................................................................................................ 28
RECORD GAIN............................................................................................................ 28
AUTOMATIC LEVEL CONTROL.................................................................................. 29
AUDIO DACS .......................................................................................................33
STEREO DAC.............................................................................................................. 33
VOICE DAC ................................................................................................................. 35
AUXILIARY DAC.......................................................................................................... 36
VARIABLE RATE AUDIO / SAMPLE RATE CONVERSION ...............................38
AUDIO INPUTS ....................................................................................................39
LINE INPUT ................................................................................................................. 39
MICROPHONE INPUT................................................................................................. 39
MONOIN INPUT........................................................................................................... 44
PCBEEP INPUT ........................................................................................................... 45
DIFFERENTIAL MONO INPUT .................................................................................... 45
w
PP Rev 3.0 June 2006
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