Datasheet

Data Sheet
BMA456
Page 46
BST-BMA456-DS000-01 | Version 1.1 | October 2017 Bosch Sensortec
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Note: Specifications within this document are subject to change without notice.
Configuration phase of the auxiliary sensor.
Example: Read bytes 5 and 6 of auxiliary sensor
End
start
check that no manual
auxiliary sensor
op is running
I2C_READ( STATUS, 1)
STATUS.aux_man_op=1 ?
enable reads/writes, set
burst length to 2
I2C_READ( STATUS, 1)
I2C_WRITE(AUX_IF_CONF, 0b01000001)
Issue I2C read operation
for byte 5+6 on
auxiliary sensor
I2C_WRITE(AUX_RD_ADDR, 0b00000101)
check if data
is already valid
I2C_READ(STATUS, 1)
STATUS<2>=1 ?
burst read the two bytes
I2C_READ(STATUS, 1) I2C_READ(DATA_0, 2)
Yes
No
Yes
No