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BMA456 Datasheet(PDF) 13 Page - Bosch Sensortec GmbH

Part # BMA456
Description  Digital, triaxial acceleration sensor
PDF  103 Pages
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Manufacturer  BOSCH [Bosch Sensortec GmbH]
Direct Link  https://www.bosch-sensortec.com
Logo BOSCH - Bosch Sensortec GmbH

BMA456 Datasheet(HTML) 13 Page - Bosch Sensortec GmbH

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Bosch Sensortec | BMA456 Data Sheet
13 | 103
Modifications reserved | Data subject to change without notice
Document number: BST-BMA456-DS000-08
Revision_3.5_032025
Example 2: Reading acceleration data from BMA456 (example: low power mode)
-setting data processing parameters (power, bandwidth, range) and reading sensor data
Further steps:
The BMA456 has many more capabilities that are described in this document and include FIFO, power
saving modes, synchronization capabilities with host processor, data synchronization and integration
with third party sensors, many interrupts generation and more features like step counter, etc.
End
start
enable acquisiton of acceleration data.
disable the auxiliary interface
write_reg(addr=0x7D,val=0x04)
disable the acc_perf_mode bit;
Set acc_bwp to 2 repetitions;
set acc_odr to 50 Hz
write_reg(addr=0x40,val=0x17)
enable the adv_power_save bit;
leave the fifo_self_wakeup enabled
write_reg(addr=0x7C,val=0x03)
read sensor data
accel_data[]=burst_read(addr=0x12, bytes=6)
Wait until the first data come
Wait for the DRDY interrupt is triggered



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