SCA3000-D01-1 Ver la hoja de datos (PDF) - VTI technologies

Número de pieza

componentes Descripción

Fabricante

SCA3000-D01-1

3-axisaccelerometer

VTI technologies 

SCA3000 Series

TABLE OF CONTENTS

1 General Description ........................................................................................................... 5

1.1 Introduction ................................................................................................................................5

1.2 Functional Description ..............................................................................................................5

1.2.1 Sensing element..................................................................................................................5

1.2.2 Interface IC...........................................................................................................................5

1.2.3 Factory calibration ..............................................................................................................6

1.2.4 Supported features .............................................................................................................6

1.2.5 Operation modes.................................................................................................................6

1.2.5.1 Measurement................................................................................................................................6

1.2.5.2 Motion Detection..........................................................................................................................6

1.2.6 Free-Fall Detection ..............................................................................................................6

1.2.7 Interrupt................................................................................................................................7

1.2.8 Temperature output ............................................................................................................7

1.2.9 Output ring buffer................................................................................................................7

2 Reset and power up, Operation Modes, HW functions and Clock ................................. 7

2.1 Reset and power up...................................................................................................................7

2.2 Measurement Mode ...................................................................................................................7

2.2.1 Description...........................................................................................................................7

2.2.1.1 Bypass measurement mode.......................................................................................................8

2.2.1.2 Narrow band measurement mode..............................................................................................8

2.2.1.3 Wide band measurement mode .................................................................................................8

2.2.2 Usage....................................................................................................................................8

2.2.2.1 Overflow condition ......................................................................................................................8

2.3 Motion Detection Mode .............................................................................................................9

2.3.1 Description...........................................................................................................................9

2.3.2 Usage..................................................................................................................................10

2.3.3 Examples............................................................................................................................10

2.4 Free-Fall Detection...................................................................................................................11

2.4.1 Description.........................................................................................................................11

2.4.2 Usage..................................................................................................................................11

2.4.3 Example..............................................................................................................................11

2.5 Ring Buffer ...............................................................................................................................12

2.5.1 Description.........................................................................................................................12

2.5.2 Usage..................................................................................................................................12

2.5.2.1 Overflow condition ....................................................................................................................12

2.5.3 Examples............................................................................................................................13

2.6 Temperature measurement.....................................................................................................13

2.6.1 Usage..................................................................................................................................13

2.7 Interrupt function (INT-pin) .....................................................................................................13

2.7.1 Usage..................................................................................................................................13

2.8 Clock .........................................................................................................................................14

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Doc.Nr. 8257300A.07

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Rev.A.07

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