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 43/74

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Table 40: Interrupt setting, register (0x17)
(0x17) Bit
Name
Bit 7
- reserved -
Bit 6
- reserved -
Bit 5
- reserved -
Bit 4
data_en
Bit 3
low_en
Bit 2
high_en_z
Bit 1
high_en_y
Bit 0
high_en_x
Register (0x18) is reserved.
Registers (0x19) to (0x1B) contain the mapping of interrupts onto the interrupt pins. Default
value of each mapping bit is ´0´.
Table 41: Interrupt mapping, register (0x19)
(0x19) Bit
Name
Bit 7
int1_flat
Bit 6
int1_orient
Bit 5
int1_s_tap
Bit 4
int1_d_tap
Bit 3
- reserved -
Bit 2
int1_slope
Bit 1
int1_high
Bit 0
int1_low
Table 42: Interrupt mapping, register (0x1A)
(0x1A) Bit
Name
Bit 7
int2_data
Bit 6
- reserved -
Bit 5
- reserved -
Bit 4
- reserved -
Bit 3
- reserved -
Bit 2
- reserved -
Bit 1
- reserved -
Bit 0
int1_data
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
Description
reserved
reserved
reserved
´1´ (´0´) enables (disables) new data interrupt
´1´ (´0´) enables (disables) low-g interrupt
´1´ (´0´) enables (disables) high-g interrupt for z-axis
´1´ (´0´) enables (disables) high-g interrupt for y-axis
´1´ (´0´) enables (disables) high-g interrupt for x-axis
Description
´1´ (´0´) maps (unmaps) flat interrupt to INT1 pin
´1´ (´0´) maps (unmaps) orientation interrupt to INT1 pin
´1´ (´0´) maps (unmaps) single tap interrupt to INT1 pin
´1´ (´0´) maps (unmaps) double tap interrupt to INT1 pin
reserved
´1´ (´0´) maps (unmaps) slope interrupt to INT1 pin
´1´ (´0´) maps (unmaps) high-g interrupt to INT1 pin
´1´ (´0´) maps (unmaps) low-g interrupt to INT1 pin
Description
´1´ (´0´) maps (unmaps) new data interrupt to INT2 pin
reserved
reserved
reserved
reserved
reserved
reserved
´1´ (´0´) maps (unmaps) new data interrupt to INT1 pin
Page 43 / not for publishing
Bosch Sensortec
03 March 2011