LPS35HW Datasheet, PDF (2/48 Pages) STMicroelectronics – Embedded temperature compensation

Contents
Contents
LPS35HW
1 Block diagram and pin description ................................................ 6
2 Mechanical and electrical specifications ....................................... 8
2.1 Mechanical characteristics ................................................................ 8
2.2 Electrical characteristics.................................................................... 9
2.3 Communication interface characteristics........................................... 9
2.3.1 SPI serial peripheral interface ............................................................ 9
2.3.2 I2C inter - IC control interface .......................................................... 10
2.4 Absolute maximum ratings .............................................................. 12
3 Functionality .................................................................................. 13
3.1 Sensing element ............................................................................. 13
3.2 IC interface...................................................................................... 13
3.3 Factory calibration ........................................................................... 13
3.4 How to interpret pressure readings ................................................. 13
4 FIFO ................................................................................................ 15
4.1 Bypass mode .................................................................................. 15
4.2 FIFO mode ...................................................................................... 16
4.3 Stream mode................................................................................... 16
4.4 Dynamic-Stream mode ................................................................... 17
4.5 Stream-to-FIFO mode ..................................................................... 18
4.6 Bypass-to-Stream mode ................................................................. 19
4.7 Bypass-to-FIFO mode ..................................................................... 20
4.8 Retrieving data from FIFO............................................................... 20
5 Application hints ........................................................................... 21
5.1 Soldering information ...................................................................... 22
6 Digital interfaces ........................................................................... 23
6.1 IC serial interface ............................................................................ 23
6.2 I2C serial interface .......................................................................... 23
6.3 I2C operation................................................................................... 24
6.4 SPI bus interface............................................................................. 25
6.5 SPI read .......................................................................................... 26
6.6 SPI write.......................................................................................... 27
6.7 SPI read in 3-wire mode.................................................................. 28
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