LIS2DUXS12 datasheet(93/104 Pages) STMICROELECTRONICS

93 / 104 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 ............................................... 7

2.4

Communication interface characteristics ........................................... 8

2.4.1

SPI - serial peripheral interface .............................................. 8

2.4.2

I²C - inter-IC control interface .............................................. 10

2.5

Absolute maximum ratings...................................................... 11

Terminology and functionality ....................................................12

3.1

Terminology .................................................................. 12

3.1.1

Sensitivity ............................................................. 12

3.1.2

Zero-g level offset ....................................................... 12

3.2

Functionality.................................................................. 12

3.2.1

Operating modes ....................................................... 12

3.2.2

One-shot modes ........................................................ 12

3.2.3

Self-test............................................................... 12

3.2.4

Activity/inactivity, Android stationary/motion detection functions .................... 13

3.2.5

Interrupt event recognition................................................. 13

3.3

Sensing element .............................................................. 14

3.4

IC interface................................................................... 14

3.5

Factory calibration............................................................. 14

3.6

Temperature sensor ........................................................... 14

3.7

Analog hub functionality ........................................................ 14

3.8

Qvar functionality.............................................................. 15

Application hints .................................................................16

4.1

Power-up sequence ........................................................... 18

4.1.1

Power-up command ..................................................... 19

4.1.2

Soft power-off command .................................................. 19

4.1.3

Deep power-off command ................................................. 19

Digital main blocks and embedded low-power features ............................20

5.1

FIFO ........................................................................ 20

5.1.1

Bypass mode .......................................................... 21

LIS2DUXS12

Contents

DS14035 - Rev 2

page 93/104

LIS2DUXS12 数据表(PDF) 93 Page - STMicroelectronics

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