LPS22DF datasheet(53/54 Pages) STMICROELECTRONICS

53 / 54 page

List of figures

Figure 1.

Device architecture block diagram....................................................... 2

Figure 2.

Digital logic ...................................................................... 2

Figure 3.

Pin connections (bottom view) ......................................................... 3

Figure 4.

SPI slave timing diagram ............................................................. 6

Figure 5.

I²C slave timing diagram ............................................................. 7

Figure 6.

Pressure readings................................................................. 10

Figure 7.

Temperature readings .............................................................. 11

Figure 8.

Bypass mode .................................................................... 13

Figure 9.

FIFO mode ..................................................................... 14

Figure 10.

Continuous (Dynamic-Stream) mode .................................................... 15

Figure 11.

Bypass-to-FIFO mode .............................................................. 16

Figure 12.

Bypass-to-Continuous (Dynamic-Stream) mode ............................................ 17

Figure 13.

Continuous (Dynamic-Stream)-to-FIFO mode .............................................. 18

Figure 14.

LPS22DF electrical connections (top view) ................................................ 19

Figure 15.

LPS22DF power-off sequence ........................................................ 20

Figure 16.

Read and write protocol ............................................................. 24

Figure 17.

SPI read protocol ................................................................. 25

Figure 18.

Multiple byte SPI read protocol (2-byte example)............................................ 25

Figure 19.

SPI write protocol ................................................................. 26

Figure 20.

Multiple byte SPI write protocol (2-byte example) ........................................... 26

Figure 21.

SPI read protocol in 3-wire mode ...................................................... 26

Figure 22.

"Threshold-based" interrupt event ...................................................... 32

Figure 23.

Interrupt events on INT pin ........................................................... 38

Figure 24.

One-point calibration ............................................................... 40

Figure 25.

HLGA-10L (2.0 x 2.0 x 0.73 mm typ.) package outline and mechanical dimensions .................... 45

Figure 26.

Carrier tape information for HLGA-10L package ............................................ 46

Figure 27.

HLGA-10L package orientation in carrier tape.............................................. 46

Figure 28.

Reel information for carrier tape of HLGA-10L package ....................................... 47

LPS22DF

List of figures

DS13316 - Rev 1

page 53/54

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