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BMA456 Datasheet(PDF) 79 Page - Bosch Sensortec GmbH

Part # BMA456
Description  Digital, triaxial acceleration sensor
PDF  129 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) 79 Page - Bosch Sensortec GmbH

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Data Sheet
BMA456
Page 79
BST-BMA456-DS000-01 | Version 1.1 | October 2017
Bosch Sensortec
© 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.
Register (0x40) ACC_CONF
DESCRIPTION: Sets the output data rate, the bandwidth, and the read mode of the acceleration
sensor
RESET: 0xA8
DEFINITION (Go to register map):
Name
Register (0x40) ACC_CONF
Bit
7
6
5
4
Read/Write
RW
RW
RW
RW
Reset Value
1
0
1
0
Content
acc_perf_mode
acc_bwp
Bit
3
2
1
0
Read/Write
RW
RW
RW
RW
Reset Value
1
0
0
0
Content
acc_odr
acc_odr: ODR in Hz. The output data rate is independent of the power mode setting for the sensor,
but not all settings are supported in all power modes.
acc_odr
0x00
reserved
Reserved
0x01
odr_0p78 25/32
0x02
odr_1p5
25/16
0x03
odr_3p1
25/8
0x04
odr_6p25 25/4
0x05
odr_12p5 25/2
0x06
odr_25
25
0x07
odr_50
50
0x08
odr_100
100
0x09
odr_200
200
0x0a
odr_400
400
0x0b
odr_800
800
0x0c
odr_1k6
1600
0x0d
odr_3k2
Reserved
0x0e
odr_6k4
Reserved
0x0f
odr_12k8 Reserved
acc_bwp: Bandwidth parameter, determines filter configuration (acc_perf_mode=1) and averaging for
undersampling mode (acc_perf_mode=0)
acc_bwp
0x00
osr4_avg1
acc_perf_mode = 1 -> OSR4 mode; acc_perf_mode = 0 -> no averaging
0x01
osr2_avg2
acc_perf_mode = 1 -> OSR2 mode; acc_perf_mode = 0 -> average 2
samples



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