Datasheet

Preliminary Data Sheet
BMA400
Page 61 /
Confidential
BST-BMA400-DS000-00 | Version 0.1 | November 2017 Bosch Sensortec
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Note: Specifications within this document are subject to change without notice.
cmd_rdy: CMD decoder status.
cmd_rdy
0x00
in_progress
command in progress
0x01
new_command
ready for new command
drdy_stat: data ready status is set as soon the accelerometer data conversion is ready
drdy_stat
0x00
not-ready
data conversion not ready
0x01
ready
data conversion not ready, new data available, clear on data read
Register (0x04) ACC_X_LSB
DESCRIPTION: Register for accelerometer data. The ACC_X_LSB-ACC_Z_MSB registers contain
the latest data for x, y and z axis of accelerometer.
A read operation on the register ACC_X_LSB-ACC_Z_MSB resets the data ready bit.
RESET: 0x00
DEFINITION (Go to register map):
Name
Register (0x04) ACC_X_LSB
Bit
7
6
5
4
Read/Write
R
R
R
R
Reset Value
0
0
0
0
Content
acc_x_7_0
Bit
3
2
1
0
Read/Write
R
R
R
R
Reset Value
0
0
0
0
Content
acc_x_7_0
acc_x_7_0: lsb of accelerometer x-axis data
acceleration is obtained by the following operations:
acc_x/y/z = acc_x/y/z_7_0 + 256*acc_x_11_8
if(acc_x/y/z> 2047) acc_x/y/z=acc_x/y/z-4096
Confidential and under NDA
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Confidential and under NDA
Seeed Studio
Confidential and under NDA