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WM8951L Datasheet(PDF) 27 Page - Wolfson Microelectronics plc

Part # WM8951L
Description  Stereo ADC with Microphone Input and Clock Generator
PDF  42 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8951L Datasheet(HTML) 27 Page - Wolfson Microelectronics plc

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Production Data
WM8951
w
PD Rev 4.1 December 2007
27
SAMPLING
RATE
MCLK
FREQUENCY
SAMPLE
RATE
REGISTER SETTINGS
DIGITAL
FILTER
TYPE
kHz
MHz
BOSR
SR3
SR2
SR1
SR0
12.288
0 (256fs)
0
0
0
0
18.432
1 (384fs)
0
0
0
0
48
18.432
1 (384fs)
0
0
1
0
1
12.288
0 (256fs)
0
0
1
1
8
18.432
1 (384fs)
0
0
1
1
1
12.288
0 (256fs)
0
1
1
0
32
18.432
1 (384fs)
0
1
1
0
1
12.288
0 (128fs)
0
1
1
1
96
18.432
1 (192fs)
0
1
1
1
2
11.2896
0 (256fs)
1
0
0
0
16.9344
1 (384fs)
1
0
0
0
44.1
16.9344
1 (384fs)
1
0
1
0
1
11.2896
0 (256fs)
1
0
1
1
8
(Note 1)
16.9344
1 (384fs)
1
0
1
1
1
11.2896
0 (128fs)
1
1
1
1
88.2
16.9344
1 (192fs)
1
1
1
1
2
Table 12 Normal Mode Sample Rate Look-up Table
Notes:
1.
8k not exact, actual = 8.018kHz
2.
All other combinations of BOSR and SR[3:0] that are not in the truth table are invalid
The BOSR bit represents the base over-sampling rate. This is the rate that the WM8951L digital
signal processing is carried out at. In Normal mode, with BOSR = 0, the base over-sampling rate is at
256fs, with BOSR = 1, the base over-sampling rate is at 384fs. This can be used to determine the
actual audio data rate produced by the ADC.



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