BMC150 datasheet(79/142 Pages) BOSCH

79 / 142 page

Datasheet

eCompass BMC150

Page 79

BST-BMC150-DS000-04 | Revision 1.0 | July 2014

Bosch Sensortec

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. Not intended for publication.

6.9 Power modes

Selection of the main power modes and the low power sleep period.

Name

0x11

PMU_LPW

Bit

Read/Write

R/W

Reset

Value

Content

suspend

lowpower_en

deep_suspend

sleep_dur<3>

Bit

Read/Write

R/W

Reset

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} 

NORMAL mode;

{0; 0; 1} 

DEEP_SUSPEND mode;

{0; 1; 0} 

LOW_POWER mode;

{1; 0; 0} 

SUSPEND mode;

{all other} 

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´



0.5 ms,

´0110b´  1 ms,

´0111b´



2 ms,

´1000b´  4 ms,

´1001b´



6 ms,

´1010b´  10 ms,

´1011b´



25 ms,

´1100b´  50 ms,

´1101b´



100 ms,

´1110b´  500 ms,

´1111b´



1 s

Configuration settings for low power mode.

Name

0x12

PMU_LOW_POWER

Bit

Read/Write

R/W

Reset

Value

Content

reserved

lowpower_mode

sleeptimer_mode

reserved

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