BMA253
Data sheet
Page 64
Register 0x12 (PMU_LOW_POWER)
Configuration settings for low power mode.
Name
Bit
0x12
7
PMU_LOW_POWER
6
5
4
Read/Write R/W
R/W
0
R/W
0
R/W
0
Reset
0
Value
Content
reserved
3
lowpower_mode
sleeptimer_mode reserved
Bit
2
1
0
Read/Write R/W
R/W
0
R/W
0
R/W
0
Reset
0
Value
Content
reserved
lowpower_mode: select ‘0’ LPM1, or ‘1´ LPM2 configuration for SUSPEND and
LOW_POWER mode. In the LPM1 configuration the power consumption in
LOW_POWER mode and SUSPEND mode is significantly reduced when
compared to LPM2 configuration, but the FIFO is not accessible and writing
to registers must be slowed down. In the LPM2 configuration the power
consumption in LOW_POWER mode is reduced compared to NORMAL
mode, but the FIFO is fully accessible and registers can be written to at full
speed.
sleeptimer_mode: when in LOW_POWER mode ‘0’ use event-driven time-base mode
(compatible with BMA250), or ‘1´ use equidistant sampling time-base
mode. Equidistant sampling of data into the FIFO is maintained in
equidistant time-base mode only.
reserved:
write ‘0’
BST-BMA253-DS000-01 | Revision 1.0 | August 2015
Bosch Sensortec
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Note: Specifications within this document are subject to change without notice.
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