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LPS27HHWTR Datasheet(PDF) 6 Page - STMicroelectronics

Part # LPS27HHWTR
Description  MEMS pressure sensor: 260-1260 hPa absolute digital output barometer with water-resistant package
PDF  60 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LPS27HHWTR Datasheet(HTML) 6 Page - STMicroelectronics

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List of figures
LPS27HHW
6/60
DocID032730 Rev 1
List of figures
Figure 1.
Device architecture block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 2.
Digital logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3.
Pin connections (bottom view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 4.
SPI slave timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 5.
I²C slave timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 6.
LPS27HHW internal structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Figure 7.
Pressure readings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 8.
Temperature readings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 9.
Bypass mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 10.
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 11.
Continuous (Dynamic-Stream) mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 12.
Bypass-to-FIFO mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 13.
Bypass-to-Continuous (Dynamic-Stream) mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 14.
Continuous (Dynamic-Stream)-to-FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 15.
LPS27HHW electrical connections (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 16.
LPS27HHW power-off sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 17.
Read and write protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 18.
SPI read protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 19.
Multiple byte SPI read protocol (2-byte example) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 20.
SPI write protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 21.
Multiple byte SPI write protocol (2-byte example). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 22.
SPI read protocol in 3-wire mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 23.
I²C and MIPI I3CSM both active (INT_DRDY pin not connected) . . . . . . . . . . . . . . . . . . . . 36
Figure 24.
Only MIPI I3CSMactive (INT_DRDY pin connected to VDD_IO). . . . . . . . . . . . . . . . . . . . . 37
Figure 25.
“Threshold-based” interrupt event. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 26.
Interrupt events on INT_DRDY pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 27.
CCLGA - 10L (2.7 x 2.7 x 1.7 typ. mm) package outline and mechanical data . . . . . . . . . 56
Figure 28.
Carrier tape information for CCLGA-10L package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Figure 29.
Package orientation in carrier tape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Figure 30.
Reel information for carrier tape of CCLGA-10L package . . . . . . . . . . . . . . . . . . . . . . . . . 58



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