參數(shù)資料
型號(hào)： WM9712LEFL
廠商： Wolfson Microelectronics
元件分類： Codec
英文描述： AC97 Audio and Touchpanel CODEC
中文描述： AC97音頻編解碼器和觸摸屏
文件頁(yè)數(shù)： 3/78頁(yè)
文件大小： 689K
代理商： WM9712LEFL
Production Data
VARIABLE RATE AUDIO / SAMPLE RATE CONVERSION...............................37
TOUCHPANEL INTERFACE................................................................................38
PRINCIPLE OF OPERATION - FOUR-WIRE TOUCHPANEL .....................................38
PRINCIPLE OF OPERATION - FIVE-WIRE TOUCHPANEL........................................40
CONTROLLING THE TOUCHPANEL DIGITISER.......................................................42
AUXILIARY ADC INPUTS....................................................................................47
BATTERY MEASUREMENT USING THE BMON/AUX3 PIN.......................................47
BATTERY ALARM AND ANALOGUE COMPARATORS ....................................48
GPIO AND INTERRUPT CONTROL....................................................................51
AC97 DATA AND CONTROL INTERFACE .........................................................58
INTERFACE PROTOCOL............................................................................................58
INTERFACE TIMING ...................................................................................................59
REGISTER MAP...................................................................................................62
REGISTER BITS BY ADDRESS..................................................................................63
APPLICATIONS INFORMATION.........................................................................71
RECOMMENDED EXTERNAL COMPONENTS...........................................................71
LINE OUTPUT .............................................................................................................72
AC-COUPLED HEADPHONE OUTPUT.......................................................................73
DC COUPLED (CAPLESS) HEADPHONE OUTPUT...................................................73
BTL LOUDSPEAKER OUTPUT ...................................................................................74
COMBINED HEADSET / BTL EAR SPEAKER.............................................................74
COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER.........................................74
JACK INSERT DETECTION ........................................................................................75
HOOKSWITCH DETECTION.......................................................................................75
PACKAGE DRAWING - QFN...............................................................................76
PACKAGE DRAWING – TQFP............................................................................77
IMPORTANT NOTICE..........................................................................................78
ADDRESS:...................................................................................................................78
WM9712L
w
PD Rev 4.0 December 2003
3
相關(guān)PDF資料
PDF描述
WM9712LEFT AC97 Audio and Touchpanel CODEC
WM9712LEFV AC97 Audio and Touchpanel CODEC
WM9712LSEFL AC97 Audio and Touchpanel CODEC
WM9712LSEFT AC97 Audio and Touchpanel CODEC
WM9712LSEFV AC97 Audio and Touchpanel CODEC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WM9712LEFL/RV 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFL/V 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFT 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFT/RV 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFV 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
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