3-AXIS ACCELEROMETER DIGITAL I/F

BMA250

Manufacturer Part NumberBMA250
Description3-AXIS ACCELEROMETER DIGITAL I/F
ManufacturerBosch Sensortec
Series-
BMA250 datasheets
 


Specifications of BMA250

Featured ProductBMA250 - Digital, Triaxial Acceleration SensorAxisX, Y, Z
Acceleration Range±2g, 4g, 8g, 16gSensitivity256LSB/g, 128LSB/g, 64LSB/g, 16LSB/g
Voltage - Supply1.62 V ~ 3.6 VOutput TypeI²C™, SPI™
Bandwidth8Hz ~ 1kHzInterfaceI²C, SPI
Mounting TypeSurface MountPackage / Case12-VQFN
Lead Free Status / Rohs StatusLead free / RoHS CompliantFor Use With828-1024 - BMA250 DAUGHTERCARD FOR DEV KIT
Other names828-1023-2  
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Page 37/74

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5.3 Chip ID
Register (0x00) Chip ID contains the chip identification number.
Table 23: Chip identification number
Bit 7
Bit 6
Bit 5
0
0
0
Register (0x01) is reserved
5.4 Acceleration data
Register (0x02) contains the LSB part of x-axis acceleration data and the new data flag for the
x-axis.
Table 24: LSB part of x-axis acceleration, register (0x02)
Bit
Name
(0x02)
Bit 7
acc_x_lsb <1>
Bit 6
acc_x_lsb <0>
Bit 5
-
Bit 4
-
Bit 3
-
Bit 2
-
Bit 1
-
Bit 0
new_data_x
Register (0x03) contains the MSB part of x-axis acceleration data.
Table 25: MSB part of x-axis acceleration, register (0x03)
(0x03) Bit
Name
Bit 7
acc_x_msb <9>
Bit 6
acc_x_msb <8>
Bit 5
acc_x_msb <7>
Bit 4
acc_x_msb <6>
Bit 3
acc_x_msb <5>
Bit 2
acc_x_msb <4>
Bit 1
acc_x_msb <3>
Bit 0
acc_x_msb <2>
Rev. 1.0
© 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.
BMA250
Data sheet
, register (0x00)
Bit 4
Bit 3
Bit 2
0
0
0
Description
Bit 1 of x-axis acceleration data
Bit 0 of x-axis acceleration data = x LSB
(fixed to 0)
(fixed to 0)
(fixed to 0)
(fixed to 0)
(fixed to 0)
New data flag of x-axis
Description
Bit 9 of x-axis acceleration data = x MSB
Bit 8 of x-axis acceleration data
Bit 7 of x-axis acceleration data
Bit 6 of x-axis acceleration data
Bit 5 of x-axis acceleration data
Bit 4 of x-axis acceleration data
Bit 3 of x-axis acceleration data
Bit 2 of x-axis acceleration data
Page 37 / not for publishing
Bosch Sensortec
Bit 1
Bit 0
1
1
03 March 2011