Datasheet

Preliminary Data Sheet
BMA400
Page 63 /
Confidential
BST-BMA400-DS000-00 | Version 0.1 | November 2017 Bosch Sensortec
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BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
Register (0x07) ACC_Y_MSB
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 (0x07) ACC_Y_MSB
Bit
7
6
5
4
Read/Write
n/a
n/a
n/a
n/a
Reset Value
0
0
0
0
Content
reserved
Bit
3
2
1
0
Read/Write
R
R
R
R
Reset Value
0
0
0
0
Content
acc_y_11_8
acc_y_11_8: msb of accelerometer y-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
Register (0x08) ACC_Z_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 (0x08) ACC_Z_LSB
Bit
7
6
5
4
Read/Write
R
R
R
R
Reset Value
0
0
0
0
Content
acc_z_7_0
Bit
3
2
1
0
Read/Write
R
R
R
R
Reset Value
0
0
0
0
Content
acc_z_7_0
acc_z_7_0: lsb of accelerometer z-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