BMA253
Data sheet
Page 63
Register 0x11 (PMU_LPW)
Selection of the main power modes and the low power sleep period.
Name
Bit
0x11
7
PMU_LPW
6
5
4
Read/Write R/W
R/W
0
R/W
0
R/W
0
Reset
0
Value
Content
suspend
3
lowpower_en
deep_suspend
sleep_dur<3>
Bit
2
1
0
Read/Write R/W
R/W
0
R/W
0
R/W
0
Reset
0
Value
Content
sleep_dur<2:0>
reserved
suspend, low_power_en, deep_suspend:
Main power mode configuration setting {suspend; lowpower_en;
deep_suspend}:
{0; 0; 0}
{0; 0; 1}
{0; 1; 0}
{1; 0; 0}
{all other}
NORMAL mode;
DEEP_SUSPEND mode;
LOW_POWER mode;
SUSPEND mode;
illegal
Please note that only certain power mode transitions are permitted.
sleep_dur<3:0>: Configures the sleep phase duration in LOW_POWER mode:
´0000b´ to ´0101b´
´0111b´
´1001b´
´1011b´
´1101b´
0.5 ms,
2 ms,
6 ms,
25 ms,
100 ms,
1 s
´0110b´ 1 ms,
´1000b´ 4 ms,
´1010b´ 10 ms,
´1100b´ 50 ms,
´1110b´ 500 ms,
´1111b´
Please note, that all application specific settings which are not equal to the default settings
(refer to 6.2 register map), must be re-set to its designated values after DEEP_SUSPEND.
BST-BMA253-DS000-01 | Revision 1.0 | August 2015
Bosch Sensortec
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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 ]
