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
1.2.5.2
Measurement................................................................................................................................6
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
2.2.1.2
2.2.1.3
Bypass measurement mode.......................................................................................................8
Narrow band measurement mode..............................................................................................8
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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