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WM8945ECS/R 数据表(PDF) 4 Page - Wolfson Microelectronics plc

部件名 WM8945ECS/R
功能描述  Mono Low-Power CODEC with Video Buffer and Touch Panel Controller
PDF  169 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8945ECS/R 数据表(HTML) 4 Page - Wolfson Microelectronics plc

  WM8945ECS/R Datasheet HTML 1Page - Wolfson Microelectronics plc WM8945ECS/R Datasheet HTML 2Page - Wolfson Microelectronics plc WM8945ECS/R Datasheet HTML 3Page - Wolfson Microelectronics plc WM8945ECS/R Datasheet HTML 4Page - Wolfson Microelectronics plc WM8945ECS/R Datasheet HTML 5Page - Wolfson Microelectronics plc WM8945ECS/R Datasheet HTML 6Page - Wolfson Microelectronics plc WM8945ECS/R Datasheet HTML 7Page - Wolfson Microelectronics plc WM8945ECS/R Datasheet HTML 8Page - Wolfson Microelectronics plc WM8945ECS/R Datasheet HTML 9Page - Wolfson Microelectronics plc Next Button
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WM8945
Production Data
w
PD, May 2011, Rev 4.1
4
POWER MANAGEMENT ............................................................................................. 102 
THERMAL SHUTDOWN .............................................................................................. 103 
POWER ON RESET .................................................................................................... 104 
RECOMMENDED POWER UP/DOWN SEQUENCE................................................... 106 
SOFTWARE RESET AND DEVICE ID......................................................................... 107 
REGISTER MAP ................................................................................................ 108 
REGISTER BITS BY ADDRESS .................................................................................. 113 
DIGITAL FILTER CHARACTERISTICS ............................................................ 157 
TERMINOLOGY ......................................................................................................................................157
 
ADC FILTER RESPONSE............................................................................................ 158 
ADC HIGHPASS FILTER RESPONSE ........................................................................ 159 
DAC FILTER RESPONSE............................................................................................ 160 
APPLICATIONS INFORMATION ...................................................................... 162 
RECOMMENDED EXTERNAL COMPONENTS.......................................................... 162 
AUDIO INPUT PATHS.............................................................................................................................162
 
HEADPHONE / LINE OUTPUT PATHS ..................................................................................................162
 
BTL SPEAKER OUTPUT CONNECTION ...............................................................................................163
 
POWER SUPPLY DECOUPLING ...........................................................................................................163
 
MICROPHONE BIAS CIRCUIT ...............................................................................................................164
 
VIDEO BUFFER COMPONENTS............................................................................................................165
 
RECOMMENDED EXTERNAL COMPONENTS DIAGRAM....................................................................166
 
PCB LAYOUT CONSIDERATIONS ............................................................................. 166 
PACKAGE DIMENSIONS.................................................................................. 167 
IMPORTANT NOTICE ....................................................................................... 168 
ADDRESS: ................................................................................................................... 168 
REVISION HISTORY ......................................................................................... 169 



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