Datasheet

Preliminary Data Sheet
BMA400
Page 73 /
Confidential
BST-BMA400-DS000-00 | Version 0.1 | November 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.
filt1_bw: bandwidth selector for filt1 output, valid only for ODRs smaller than 100Hz
filt1_bw
0x00
high
0.4x ODR
0x01
low
0.2x ODR
Register (0x1A) ACC_CONFIG1
DESCRIPTION: the registers contain the accelerometer configuration
RESET: 0x49
DEFINITION (Go to register map):
Name
Register (0x1A) ACC_CONFIG1
Bit
7
6
5
4
Read/Write
RW
RW
RW
RW
Reset Value
0
1
0
0
Content
acc_range
osr
Bit
3
2
1
0
Read/Write
RW
RW
RW
RW
Reset Value
1
0
0
1
Content
acc_odr
acc_odr: output data rate of accelerometer for acc_filt1
acc_odr
0x00
odr_12p5_5
25/2
0x01
odr_12p5_4
25/2
0x02
odr_12p5_3
25/2
0x03
odr_12p5_2
25/2
0x04
odr_12p5_1
25/2
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_800_1
800
0x0d
odr_800_2
800
0x0e
odr_800_3
800
0x0f
odr_800_4
800
osr: oversampling ratio 0/1/2/3 for normal mode
osr=0: lowest power, lowest oversampling rate, lowest accuracy
osr=3: highest accuracy, higest oversampling rate, highest power
Confidential and under NDA
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Confidential and under NDA
Seeed Studio
Confidential and under NDA