BMC156 datasheet(5/141 Pages) BOSCH

5 / 141 page

Data sheet

eCompass BMC156

Page 5

BST-BMC156-DS000-01 | Revision 1.0 | July 2014

Bosch Sensortec

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. Not intended for publication.

4.8 ACCELEROMETER SOFTRESET ........................................................................................... 56

4.9 MAGNETOMETER INTERRUPT CONTROLLER ........................................................................ 57

4.9.1 GENERAL FEATURES .................................................................................................................... 57

4.9.2 ELECTRICAL BEHAVIOR OF MAGNETIC INTERRUPT PIN..................................................................... 57

4.9.3 DATA READY / DRDY INTERRUPT.................................................................................................. 57

5. FIFO OPERATION....................................................................................................................59

5.1 FIFO OPERATING MODES ................................................................................................. 59

5.2 FIFO DATA READOUT ....................................................................................................... 60

5.3 FIFO FRAME COUNTER AND OVERRUN FLAG ..................................................................... 60

5.4 FIFO INTERRUPTS ............................................................................................................ 61

6. ACCELEROMETER REGISTER DESCRIPTION....................................................................62

6.1 GENERAL REMARKS .......................................................................................................... 62

6.2 REGISTER MAP ................................................................................................................. 63

6.3 CHIP ID............................................................................................................................ 64

6.4 ACCELERATION DATA ........................................................................................................ 65

6.5 TEMPERATURE DATA......................................................................................................... 71

6.6 STATUS REGISTERS .......................................................................................................... 72

6.7 G-RANGE SELECTION......................................................................................................... 77

6.8 BANDWIDTHS.................................................................................................................... 78

6.9 POWER MODES................................................................................................................. 79

6.10 SPECIAL CONTROL SETTINGS........................................................................................... 81

6.11 INTERRUPT SETTINGS...................................................................................................... 83

6.12 SELF-TEST ..................................................................................................................... 97

6.13 NON-VOLATILE MEMORY CONTROL (EEPROM)................................................................. 98

6.14 INTERFACE CONFIGURATION ............................................................................................ 99

6.15 OFFSET COMPENSATION................................................................................................ 100

6.16 NON-VOLATILE MEMORY BACK-UP .................................................................................. 104

6.17 FIFO CONFIGURATION AND FIFO DATA .......................................................................... 105

7. MAGNETOMETER REGISTER DESCRIPTION ...................................................................107

7.1 GENERAL REMARKS ........................................................................................................ 107

7.2 REGISTER MAP ............................................................................................................... 107

7.3 CHIP ID.......................................................................................................................... 108

7.4 MAGNETIC FIELD DATA .................................................................................................... 108

7.5 INTERRUPT STATUS REGISTER ......................................................................................... 111

7.6 POWER AND OPERATION MODES, SELF-TEST AND DATA OUTPUT RATE CONTROL REGISTERS 112

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