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WM8281ECS/R 데이터시트(PDF) 389 Page - Cirrus Logic

부품명 WM8281ECS/R
상세설명  Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation
PDF  392 Pages
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제조업체  CIRRUS [Cirrus Logic]
홈페이지  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8281ECS/R 데이터시트(HTML) 389 Page - Cirrus Logic

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WM8281
Rev 4.0
389
WM8281
AIFn
(Slave Mode)
AIFnBCLK
AIFnLRCLK
AIFnRXDAT
AIFnTXDAT
FLL1_REFCLK_SRC
FLL1
Processor
Synchronous
Clock Generator
SYSCLK
(or ASYNCCLK)
SYSCLK_SRC
(or ASYNCCLK_SRC)
Figure 100 AIF Slave Mode, using MCLK and FLL as Reference
WM8281
AIFn
(Slave Mode)
AIFnBCLK
AIFnLRCLK
AIFnRXDAT
AIFnTXDAT
FLL1_REFCLK_SRC
FLL1
Processor
Synchronous
Clock Generator
SYSCLK
(or ASYNCCLK)
SYSCLK_SRC
(or ASYNCCLK_SRC)
AIFn
(Slave Mode)
AIFnBCLK
AIFnLRCLK
AIFnRXDAT
AIFnTXDAT
SLIMbus
Interface
SLIMCLK
SLIMDAT
Automatic
Divider
FRAMER_REF_GEAR
Processor
Processor
Figure 101 AIF Slave Mode, using another Interface as Reference
PCB LAYOUT CONSIDERATIONS
Poor PCB layout will degrade the performance and be a contributory factor in EMI, ground bounce
and resistive voltage losses. All external components should be placed as close to the WM8281
device as possible, with current loop areas kept as small as possible.



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