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WM8281ECS/R Datasheet(PDF) 106 Page - Cirrus Logic

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

WM8281ECS/R Datasheet(HTML) 106 Page - Cirrus Logic

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WM8281
106
Rev 4.0
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R144
0090h)
Haptics
Control 1
14:11
HAP_RATE [3:0]
0000
Haptic Signal Generator Sample Rate
0000 = SAMPLE_RATE_1
0001 = SAMPLE_RATE_2
0010 = SAMPLE_RATE_3
1000 = ASYNC_SAMPLE_RATE_1
1001 = ASYNC_SAMPLE_RATE_2
All other codes are Reserved.
The selected sample rate is valid in the
range 8kHz to 192kHz.
R707
(02C3h)
Mic noise
mix control
1
14:11
MICMUTE_RATE
[3:0]
0000
Mic Mute Mixer Sample Rate
0000 = SAMPLE_RATE_1
0001 = SAMPLE_RATE_2
0010 = SAMPLE_RATE_3
1000 = ASYNC_SAMPLE_RATE_1
1001 = ASYNC_SAMPLE_RATE_2
All other codes are Reserved.
The selected sample rate is valid in the
range 8kHz to 192kHz.
R776
(0308h)
Input Rate
14:11
IN_RATE [3:0]
0000
Input Signal Paths Sample Rate
0000 = SAMPLE_RATE_1
0001 = SAMPLE_RATE_2
0010 = SAMPLE_RATE_3
All other codes are Reserved.
The selected sample rate is valid in the
range 8kHz to 192kHz.
If 768kHz DMIC clock rate is selected on
any of the input paths (INn_OSR=11),
then the Input Signal Paths sample rate is
valid in the range 8kHz to 16kHz only.
R1032
(0408h)
Output
Rate 1
14:11
OUT_RATE [3:0]
0000
Output Signal Paths Sample Rate
0000 = SAMPLE_RATE_1
0001 = SAMPLE_RATE_2
0010 = SAMPLE_RATE_3
All other codes are Reserved.
The selected sample rate is valid in the
range 8kHz to 192kHz.
All OUTnxMIX_SRCm registers should be
set to 00h before changing OUT_RATE.
R1283
(0503h)
AIF1 Rate
Ctrl
14:11
AIF1_RATE [3:0]
0000
AIF1 Audio Interface Sample Rate
0000 = SAMPLE_RATE_1
0001 = SAMPLE_RATE_2
0010 = SAMPLE_RATE_3
1000 = ASYNC_SAMPLE_RATE_1
1001 = ASYNC_SAMPLE_RATE_2
All other codes are Reserved.
The selected sample rate is valid in the
range 4kHz to 192kHz.
All AIF1TXMIX_SRCn registers should be
set to 00h before changing AIF1_RATE.



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