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ILPS22QSTR Datasheet(PDF) 36 Page - STMicroelectronics

Part # ILPS22QSTR
Description  Dual full-scale, 1260 hPa and 4060 hPa, absolute digital output barometer with embedded Qvar electrostatic sensor
PDF  57 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ILPS22QSTR Datasheet(HTML) 36 Page - STMicroelectronics

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9.6
CTRL_REG1 (10h)
Control register 1 (R/W)
7
6
5
4
3
2
1
0
0
ODR3
ODR2
ODR1
ODR0
AVG2
AVG1
AVG0
ODR[3:0]
Output data rate selection. Default value: 0000
Refer to Table 20.
AVG[2:0]
Average selection. Default value: 000
Refer to Table 21.
Table 20. Output data rate bit configurations
ODR[3:0]
ODR of pressure, temperature, and Qvar
0000
Power-down / one-shot
0001
1 Hz
0010
4 Hz
0011
10 Hz
0100
25Hz
0101
50 Hz
0110
75 Hz
0111
100 Hz
1000
200 Hz
Table 21. Averaging selection
AVG[2:0]
Averaging of pressure, temperature, and Qvar
000
4
001
8
010
16
011
32
100
64
101
128
111
512
The power consumption of the ILPS22QS mainly depends on the selected ODR (output data rate) and on
the selected resolution. The user can select the desired ODR and the oversampling frequency for pressure
measurements in the CTRL_REG1 (10h) register. The ODR[3:0] bits are dedicated to the ODR selection, while
the AVG[2:0] bits are used to configure the resolution.
ILPS22QS
CTRL_REG1 (10h)
DS13431 - Rev 3
page 36/57



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