BMA253
Data sheet
Page 85
Register 0x32 (PMU_SELF_TEST)
Contains the settings for the sensor self-test configuration and trigger.
Name
Bit
0x32
7
PMU_SELF_TEST
6
5
4
Read/Write R/W
R/W
0
R/W
0
R/W
0
Reset
0
Value
Content
reserved
self_test_amp
Bit
3
2
1
0
Read/Write R/W
R/W
0
R/W
0
R/W
0
Reset
0
Value
Content
reserved_0
self_test_sign
self_test-axis<1:0>
reserved:
write ‘0x0’
write ‘0x0’
reserved_0:
self_test_amp;
select amplitude of the selftest deflection ´1´ high,
default value is low (´0´)
self_test_sign:
self_test_axis:
select sign of self-test excitation as ´1´ positive, or ´0´ negative
select axis to be self-tested: ´00b´ self-test disabled, ´01b´ x-axis, ´10b´
y-axis, or ´11b´ z-axis; when a self-test is performed, only the
acceleration data readout value of the selected axis is valid; after the self-
test has been enabled a delay of a least 50 ms is necessary for the read-out
value to settle
BST-BMA253-DS000-01 | Revision 1.0 | August 2015
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.
BOSCH [ Bosch Sensortec GmbH ]
