BST-BMA280-DS000-09 | Revision 1.6 | May 2013 Bosch Sensortec
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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.
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
