LIS2DUX12TR datasheet(91/102 Pages) STMICROELECTRONICS

91 / 102 page

Contents

Block diagram and pin description .................................................3

1.1

Block diagram ................................................................. 3

1.2

Pin description ................................................................. 4

Mechanical and electrical specifications ...........................................5

2.1

Mechanical characteristics ....................................................... 5

2.2

Electrical characteristics......................................................... 6

2.3

Temperature sensor characteristics ............................................... 6

2.4

Communication interface characteristics ........................................... 7

2.4.1

SPI - serial peripheral interface .............................................. 7

2.4.2

I²C - inter-IC control interface ............................................... 9

2.5

Absolute maximum ratings...................................................... 10

Terminology and functionality ....................................................11

3.1

Terminology .................................................................. 11

3.1.1

Sensitivity ............................................................. 11

3.1.2

Zero-g level offset ....................................................... 11

3.2

Functionality.................................................................. 11

3.2.1

Operating modes ....................................................... 11

3.2.2

One-shot modes ........................................................ 11

3.2.3

Self-test............................................................... 11

3.2.4

Activity/inactivity, Android stationary/motion detection functions .................... 12

3.2.5

Interrupt event recognition................................................. 12

3.3

Sensing element .............................................................. 13

3.4

IC interface................................................................... 13

3.5

Factory calibration............................................................. 13

3.6

Temperature sensor ........................................................... 13

Application hints .................................................................14

4.1

Power-up sequence ........................................................... 16

4.1.1

Power-up command ..................................................... 17

4.1.2

Soft power-off command .................................................. 17

4.1.3

Deep power-off command ................................................. 17

Digital main blocks and embedded low-power features ............................18

5.1

FIFO ........................................................................ 18

5.1.1

Bypass mode .......................................................... 19

5.1.2

FIFO mode ............................................................ 19

5.1.3

Continuous mode ....................................................... 19

LIS2DUX12

Contents

DS14071 - Rev 2

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