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ILPS22QSTR Datasheet(PDF) 42 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) 42 Page - STMicroelectronics

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9.10
FIFO_WTM (15h)
FIFO threshold setting register (R/W)
7
6
5
4
3
2
1
0
0
WTM6
WTM5
WTM4
WTM3
WTM2
WTM1
WTM0
WTM[6:0]
FIFO threshold. Watermark level setting. Default value: 0000000
9.11
REF_P_L (16h)
Reference pressure LSB data (R)
7
6
5
4
3
2
1
0
REFP7
REFP6
REFP5
REFP4
REFP3
REFP2
REFP1
REFP0
REFP[7:0]
Thisregister contains the low part of the reference pressure value.
Default value: 00000000
The reference pressure value is 16-bit data and it is composed of REF_P_H (17h) and REF_P_L (16h). The value
is expressed as two’s complement.
The reference pressure value is stored and used when the AUTOZERO or AUTOREFP function is enabled. Refer
to the INTERRUPT_CFG (0Bh) register description.
9.12
REF_P_H (17h)
Reference pressure MSB data (R)
7
6
5
4
3
2
1
0
REFP15
REFP14
REFP13
REFP12
REFP11
REFP10
REFP9
REFP8
REFP[15:8]
This register contains the high part of the reference pressure value.
Default value: 00000000
ILPS22QS
FIFO_WTM (15h)
DS13431 - Rev 3
page 42/57



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