BMA253
Data sheet
Page 4
Index of Contents
1. SPECIFICATION ........................................................................................................................8
2. ABSOLUTE MAXIMUM RATINGS..........................................................................................11
3. BLOCK DIAGRAM...................................................................................................................12
4. FUNCTIONAL DESCRIPTION.................................................................................................13
4.1 SUPPLY VOLTAGE AND POWER MANAGEMENT ..................................................................... 13
4.2 POWER MODES................................................................................................................. 14
4.3 SENSOR DATA .................................................................................................................. 18
4.3.1 ACCELERATION DATA ....................................................................................................................18
4.3.2 TEMPERATURE SENSOR ............................................................................................................... 19
4.4 SELF-TEST ....................................................................................................................... 20
4.5 OFFSET COMPENSATION ................................................................................................... 21
4.5.1 SLOW COMPENSATION ..................................................................................................................23
4.5.2 FAST COMPENSATION....................................................................................................................23
4.5.3 MANUAL COMPENSATION...............................................................................................................24
4.5.4 INLINE CALIBRATION ......................................................................................................................24
4.6 NON-VOLATILE MEMORY.................................................................................................... 25
4.7 INTERRUPT CONTROLLER .................................................................................................. 26
4.7.1 GENERAL FEATURES .................................................................................................................... 26
4.7.2 MAPPING TO PHYSICAL INTERRUPT PINS (INTTYPE TO INT PIN#)......................................................27
4.7.3 ELECTRICAL BEHAVIOUR (INT PIN# TO OPEN-DRIVE OR PUSH-PULL)................................................28
4.7.4 NEW DATA INTERRUPT...................................................................................................................28
4.7.5 SLOPE / ANY-MOTION DETECTION ................................................................................................. 29
4.7.6 TAP SENSING................................................................................................................................31
4.7.7 ORIENTATION RECOGNITION ..........................................................................................................34
4.7.8 FLAT DETECTION.......................................................................................................................... 39
4.7.9 LOW-G INTERRUPT....................................................................................................................... 40
4.7.10 HIGH-G INTERRUPT .....................................................................................................................41
4.7.11 NO-MOTION / SLOW MOTION DETECTION.......................................................................................42
4.8 SOFTRESET...................................................................................................................... 44
5. FIFO OPERATION ...................................................................................................................45
5.1 FIFO OPERATING MODES ................................................................................................. 45
5.2 FIFO DATA READOUT ....................................................................................................... 46
5.3 FIFO FRAME COUNTER AND OVERRUN FLAG ..................................................................... 46
5.4 FIFO INTERRUPTS............................................................................................................ 47
BST-BMA253-DS000-01 | Revision 1.0 | August 2015
Bosch Sensortec
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to
third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
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