wm9713 Wolfson Microelectronics plc, wm9713 Datasheet - Page 2

• Manufacturer Part Number: wm9713
• Description: Ac?97 Audio + Touchpanel Codec
• Manufacturer: Wolfson Microelectronics plc

WM9713L
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
POWER CONSUMPTION ....................................................................................11
SIGNAL TIMING REQUIREMENTS .....................................................................12
DEVICE DESCRIPTION.......................................................................................18
AUDIO ADCS .......................................................................................................32
AUDIO DACS .......................................................................................................39
VARIABLE RATE AUDIO / SAMPLE RATE CONVERSION ...............................44
AUDIO INPUTS ....................................................................................................45
w
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
AC97 INTERFACE TIMING.......................................................................................... 12
PCM AUDIO INTERFACE TIMING – SLAVE MODE.................................................... 16
PCM AUDIO INTERFACE TIMING – MASTER MODE ................................................ 17
INTRODUCTION.......................................................................................................... 18
AUDIO PATHS OVERVIEW......................................................................................... 19
CLOCK GENERATION ................................................................................................ 20
CLOCK DIVISION MODES .......................................................................................... 20
PLL MODE ................................................................................................................... 23
DIGITAL INTERFACES................................................................................................ 26
AC97 INTERFACE ....................................................................................................... 26
PCM INTERFACE ........................................................................................................ 27
STEREO ADC.............................................................................................................. 32
RECORD SELECTOR ................................................................................................. 33
RECORD GAIN............................................................................................................ 34
AUTOMATIC LEVEL CONTROL.................................................................................. 36
STEREO DAC.............................................................................................................. 39
VOICE DAC ................................................................................................................. 42
AUXILIARY DAC.......................................................................................................... 42
LINE INPUT ................................................................................................................. 45
MICROPHONE INPUT................................................................................................. 46
MONOIN INPUT........................................................................................................... 51
PCBEEP INPUT ........................................................................................................... 52
TABLE OF CONTENTS
PP Rev 3.2 September 2008
Pre-Production
2