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WM8281ECS/R Folha de dados(PDF) 203 Page - Cirrus Logic

Nome de Peças WM8281ECS/R
Descrição Electrónicos  Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation
PDF  392 Pages
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Fabricante Electrônico  CIRRUS [Cirrus Logic]
Página de início  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8281ECS/R Folha de dados(HTML) 203 Page - Cirrus Logic

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WM8281
Rev 4.0
203
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
8
SPK2_MUTE_EN
DIAN
0
PDM Speaker Output 2 Mute Sequence
Control
0 = Mute sequence is LSB first
1 = Mute sequence output is MSB first
7:0
SPK2_MUTE_SE
Q [7:0]
69h
PDM Speaker Output 2 Mute Sequence
Defines the 8-bit code that is output on
SPKDAT2 (left) or SPKDAT2 (right) when
muted.
R1171
(0493h)
PDM
SPK2
CTRL 2
0
SPK2_FMT
0
PDM Speaker Output 2 timing format
0 = Mode A (PDM data is valid at the
rising/falling edges of SPKCLK2)
1 = Mode B (PDM data is valid during the
high/low phase of SPKCLK2)
Table 74 Digital Speaker (PDM) Output Control
The digital speaker (PDM) outputs SPKDATn and SPKCLKn are intended for direct connection to a
compatible external speaker driver. A typical configuration is illustrated in Figure 60.
WM8281
Speaker Driver
Speaker Driver
Right
Left
Speaker Driver
Speaker Driver
Left
Right
SPKCLK1
SPKDAT1
SPKCLK2
SPKDAT2
Figure 60 Digital Speaker (PDM) Connection



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