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WM8281ECS/R Datenblatt(PDF) 316 Page - Cirrus Logic

Teilenummer WM8281ECS/R
Bauteilbeschribung  Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation
PDF  392 Pages
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Hersteller  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8281ECS/R Datenblatt(HTML) 316 Page - Cirrus Logic

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WM8281
316
Rev 4.0
PIN NO
NAME
TYPE
RESET STATUS
DBVDD2 power domain
K9
AIF2BCLK
Digital Input / Output
Digital input
J8
AIF2RXDAT
Digital Input
Digital input
J9
AIF2LRCLK
Digital Input / Output
Digital input
K8
AIF2TXDAT
Digital Output
Digital output
L12
CIF2SCLK
Digital Input
Digital input
K10
CIF2SDA
Digital Input / Output
Digital input
J10
GPIO2
Digital Input / Output
Digital input,
Pull-down to DGND
H9
SPKCLK1
Digital Output
Digital output
H8
SPKCLK2
Digital Output
Digital output
H10
SPKDAT1
Digital Output
Digital output
H7
SPKDAT2
Digital Output
Digital output
F9
TCK
Digital Input
Digital input,
Pull-down to DGND
F8
TDI
Digital Input
Digital input,
Pull-down to DGND
K11
TDO
Digital Output
Digital output
F7
TMS
Digital Input
Digital input,
Pull-down to DGND
F6
TRST
Digital Input
Digital input,
Pull-down to DGND
DBVDD3 power domain
K7
AIF3BCLK
Digital Input / Output
Digital input
H4
AIF3RXDAT
Digital Input
Digital input
J7
AIF3LRCLK
Digital Input / Output
Digital input
H5
AIF3TXDAT
Digital Output
Digital output
H6
GPIO3
Digital Input / Output
Digital input,
Pull-down to DGND
Table 129 WM8281 Digital I/O Status in Reset
Note that the dual function INnLP/DMICCLKn and INnRP/DMICDATn pins default to their respective
analogue input functions after Power-On Reset is completed. The analogue input functions are
referenced to the MICVDD power domain.



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