BMA250 Bosch Sensortec, BMA250 Datasheet - Page 39

3-AXIS ACCELEROMETER DIGITAL I/F

BMA250

Manufacturer Part Number
BMA250
Description
3-AXIS ACCELEROMETER DIGITAL I/F
Manufacturer
Bosch Sensortec
Series
-r
Datasheets

Specifications of BMA250

Featured Product
BMA250 - Digital, Triaxial Acceleration Sensor
Axis
X, Y, Z
Acceleration Range
±2g, 4g, 8g, 16g
Sensitivity
256LSB/g, 128LSB/g, 64LSB/g, 16LSB/g
Voltage - Supply
1.62 V ~ 3.6 V
Output Type
I²C™, SPI™
Bandwidth
8Hz ~ 1kHz
Interface
I²C, SPI
Mounting Type
Surface Mount
Package / Case
12-VQFN
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With
828-1024 - BMA250 DAUGHTERCARD FOR DEV KIT
Other names
828-1023-2
Register (0x07) contains the MSB part of acceleration data for the z-axis.
5.5 Temperature data
Register (0x08) temp contains temperature data in two’s complement representation. Center
temperature = 24 °C  i.e. (0x08) temp = 00000000b
1 LSB increment of temperature sensor is 0.5 °C (0.9 °F).
5.6 Status registers
Register (0x09) contains the states of several interrupts.
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.
Table 29: MSB part of z-axis acceleration, register (0x07)
Table 30: Temperature data, register (0x08)
Table 31: Interrupt status, register (0x09)
(0x07) Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Temp <7>
(0x09) Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 6
Temp <6>
Name
acc_z_msb <9>
acc_z_msb <8>
acc_z_msb <7>
acc_z_msb <6>
acc_z_msb <5>
acc_z_msb <4>
acc_z_msb <3>
acc_z_msb <2>
Name
flat_int
orient_int
s_tap_int
d_tap_int
- reserved -
slope_int
high_int
low_int
Bit 5
Temp <5>
Page 39 / not for publishing
Bit 4
Temp <4>
Description
Bit 9 of z-axis acceleration data = z MSB
Bit 8 of z-axis acceleration data
Bit 7 of z-axis acceleration data
Bit 6 of z-axis acceleration data
Bit 5 of z-axis acceleration data
Bit 4 of z-axis acceleration data
Bit 3 of z-axis acceleration data
Bit 2 of z-axis acceleration data
Description
Flat interrupt status
Orientation interrupt status
Single tap interrupt status
Double tap interrupt status
reserved
Slope interrupt status
High-g interrupt status
Low-g interrupt status
Data sheet
BMA250
Bit 3
Temp <3>
Bit 2
Temp <2>
Bit 1
Temp <1>
Bosch Sensortec
03 March 2011
Bit 0
Temp <0>

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