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부품번호 | BMC150 기능 |
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기능 | 6-axis eCompass | ||
제조업체 | Bosch | ||
로고 | |||
전체 30 페이지수
Data sheet
BMC150
6-axis eCompass
Bosch Sensortec
BMC150: Data sheet
Document revision
Document release date
Document number
Technical reference code(s)
Notes
1.0
14 July 2014
BST-BMC150-DS000-04
0 273 141 156
Product photos and pictures are for illustration purposes only and may
differ from the real product’s appearance.
Index of Contents
Datasheet
eCompass BMC150
Page 4
1. SPECIFICATION ........................................................................................................................7
1.1 COMPASS ELECTRICAL SPECIFICATION ................................................................................. 7
1.2 ACCELEROMETER SPECIFICATION ........................................................................................ 8
1.3 MAGNETOMETER SPECIFICATION ....................................................................................... 11
2. ABSOLUTE MAXIMUM RATINGS ..........................................................................................15
3. BLOCK DIAGRAM ...................................................................................................................16
4. FUNCTIONAL DESCRIPTION.................................................................................................17
4.1 SUPPLY VOLTAGE AND POWER MANAGEMENT ..................................................................... 17
4.2 POWER MODES................................................................................................................. 17
4.2.1 ACCELEROMETER POWER MODES ................................................................................................. 18
4.2.2 MAGNETOMETER POWER MODES .................................................................................................. 22
4.2.3 BMC150 OVERALL POWER CONSUMPTION .................................................................................... 25
4.3 SENSOR DATA .................................................................................................................. 26
4.3.1 ACCELERATION DATA ................................................................................................................... 26
4.3.2 TEMPERATURE SENSOR................................................................................................................ 27
4.3.3 MAGNETIC FIELD DATA.................................................................................................................. 27
4.3.4 MAGNETIC FIELD DATA TEMPERATURE COMPENSATION................................................................... 29
4.4 SELF-TEST ....................................................................................................................... 30
4.4.1 ACCELEROMETER SELF-TEST........................................................................................................ 30
4.4.2 MAGNETOMETER SELF-TEST ......................................................................................................... 31
4.5 ACCELEROMETER OFFSET COMPENSATION......................................................................... 33
4.5.1 SLOW COMPENSATION.................................................................................................................. 35
4.5.2 FAST COMPENSATION................................................................................................................... 35
4.5.3 MANUAL COMPENSATION .............................................................................................................. 36
4.5.4 INLINE CALIBRATION ..................................................................................................................... 36
4.6 NON-VOLATILE MEMORY .................................................................................................... 37
4.6.1 ACCELEROMETER NON-VOLATILE MEMORY .................................................................................... 37
4.6.2 MAGNETOMETER NON-VOLATILE MEMORY ..................................................................................... 37
4.7 ACCELEROMETER INTERRUPT CONTROLLER ....................................................................... 38
4.7.1 GENERAL FEATURES .................................................................................................................... 38
4.7.2 MAPPING TO PHYSICAL INTERRUPT PINS (INTTYPE TO INT PIN#) ..................................................... 39
4.7.3 ELECTRICAL BEHAVIOR (INT PIN# TO OPEN-DRIVE OR PUSH-PULL).................................................. 40
4.7.4 NEW DATA INTERRUPT.................................................................................................................. 40
4.7.5 SLOPE / ANY-MOTION DETECTION .................................................................................................. 41
4.7.6 TAP SENSING ............................................................................................................................... 43
4.7.7 ORIENTATION RECOGNITION ......................................................................................................... 46
4.7.8 FLAT DETECTION.......................................................................................................................... 51
4.7.9 LOW-G INTERRUPT ....................................................................................................................... 52
4.7.10 HIGH-G INTERRUPT .................................................................................................................... 53
4.7.11 NO-MOTION / SLOW MOTION DETECTION ...................................................................................... 54
BST-BMC150-DS000-04 | Revision 1.0 | July 2014
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. Not intended for publication.
4페이지 Datasheet
eCompass BMC150
Page 7
1. Specification
If not stated otherwise, the given values are over lifetime and full performance temperature and
voltage ranges, minimum/maximum values are ±3. The specifications are split into
accelerometer part and magnetometer part of BMC150.
1.1 Compass electrical specification
Table 1: Compass electrical parameter specification
Parameter
Supply Voltage
Internal Domains
Supply Voltage
I/O Domain
Voltage Input
Low Level
Voltage Input
High Level
Voltage Output
Low Level
Voltage Output
High Level
Compass Operating Conditions
Symbol
Condition
Min
VDD 1.62
VDDIO
1.2
VIL,a SPI & I²C
VIH,a
VOL
VOH
SPI & I²C
VDDIO = 1.2V
IOL = 3mA, SPI & I²C
VDDIO = 1.62V
IOH = 2mA, SPI & I²C
0.7VDDIO
0.8VDDIO
Typ
2.4
1.8
Max
3.6
3.6
0.3VDDIO
0.2VDDIO
Unit
V
V
-
-
-
-
BST-BMC150-DS000-04 | Revision 1.0 | July 2014
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. Not intended for publication.
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