WM9713 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM9713

AC’97 Audio + Touchpanel CODEC

Wolfson Microelectronics plc 

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

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PP Rev 3.0 June 2006

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