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STA321MPL1 数据表(PDF) 69 Page - STMicroelectronics

部件名 STA321MPL1
功能描述  Scalable digital microphone processor
PDF  80 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA321MPL1 数据表(HTML) 69 Page - STMicroelectronics

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STA321MPL1
Configuration registers (0x77; 0x78; 0x79)
80
6.5.9
RMS post-processing selectors and Fs autodetection (0x70)
RMS out selector
Table 18. RMS post-processing channel select
Fs autodetection
D7
D6
D5
D4
D3
D2
D1
D0
RMSOS2
RMSOS1
RMSOS0
FXLRC0
00
000
00
0
Bit
RW
RST
Name
Description
7
RW
0
RMSOS2
RMS post-processing selectors. For each
channel, the current RMS value after the
processing step is available on registers rmsPOH
(0x7C) and rmsPOL (0x7D).
6
RW
0
RMSOS1
5
RW
0
RMSOS0
RMSOS[2:0]
Channel
000
1
001
2
010
3
011
4
100
5
101
6
110
7
111
8
Bit
RW
RST
Name
Description
0
RW
0
FXLRC0
If set to 1, the IR and BST32K parameters are
auto-selected by the Fs autodetection internal
block; otherwise, the I2C register values are
used.



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