Datasheet

Datasheet
BMM150 Geomagnetic Sensor
Page 24
BST-BMM150-DS001-01 | Revision 1.0 | April 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.
Register (0x44) contains the LSB part of y-axis magnetic field data and the self-test result flag
for the y-axis.
Table 8: LSB part of y-axis magnetic field, register (0x44)
(0x44) Bit
Name
Description
Bit 7
DATAY_lsb <4>
Bit 4 of y-axis magnetic field data
Bit 6
DATAY_lsb <3>
Bit 3 of y-axis magnetic field data
Bit 5
DATAY_lsb <2>
Bit 2 of y-axis magnetic field data
Bit 4
DATAY_lsb <1>
Bit 1 of y-axis magnetic field data
Bit 3
DATAY_lsb <0>
Bit 0 of y-axis magnetic field data = y LSB
Bit 2
-
(fixed to 0)
Bit 1
-
(fixed to 0)
Bit 0
SelfTestY
Self-test result flag for y-axis, default is “1”
Register (0x45) contains the MSB part of y-axis magnetic field data.
Table 9: MSB part of y-axis magnetic field, register (0x45)
(0x45) Bit
Name
Description
Bit 7
DATAY_msb <12>
Bit 12 of y-axis magnetic field data = y MSB
Bit 6
DATAY_msb <11>
Bit 11 of y-axis magnetic field data
Bit 5
DATAY_msb <10>
Bit 10 of y-axis magnetic field data
Bit 4
DATAY_msb <9>
Bit 9 of y-axis magnetic field data
Bit 3
DATAY_msb <8>
Bit 8 of y-axis magnetic field data
Bit 2
DATAY_msb <7>
Bit 7 of y-axis magnetic field data
Bit 1
DATAY_msb <6>
Bit 6 of y-axis magnetic field data
Bit 0
DATAY_msb <5>
Bit 5 of y-axis magnetic field data
Register (0x46) contains the LSB part of z-axis magnetic field data and the self-test result flag
for the z-axis.
Table 10: LSB part of z-axis magnetic field, register (0x46)
(0x46) Bit
Name
Description
Bit 7
DATAZ_lsb <6>
Bit 6 of z-axis magnetic field data
Bit 6
DATAZ_lsb <5>
Bit 5 of z-axis magnetic field data
Bit 5
DATAZ_lsb <4>
Bit 4 of z-axis magnetic field data
Bit 4
DATAZ_lsb <3>
Bit 3 of z-axis magnetic field data
Bit 3
DATAZ_lsb <2>
Bit 2 of z-axis magnetic field data
Bit 2
DATAZ_lsb <1>
Bit 1 of z-axis magnetic field data
Bit 1
DATAZ_lsb <0>
Bit 0 of z-axis magnetic field data = z LSB
Bit 0
SelfTestZ
Self-test result flag for z-axis, default is “1”