Datasheet

Preliminary Data Sheet
BMA400
Page 82 /
Confidential
BST-BMA400-DS000-00 | Version 0.1 | November 2017 Bosch Sensortec
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BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
Register (0x2B) AUTOLOWPOW_1
DESCRIPTION: the registers contain configurations for auto-low-power condition
RESET: 0x00
DEFINITION (Go to register map):
Name
Register (0x2B) AUTOLOWPOW_1
Bit
7
6
5
4
Read/Write
RW
RW
RW
RW
Reset Value
0
0
0
0
Content
auto_lp_timeout_thres_3_0
Bit
3
2
1
0
Read/Write
RW
RW
RW
RW
Reset Value
0
0
0
0
Content
auto_lp_timeout
gen1_int
drdy_lowpow_tri
g
drdy_lowpow_trig: data ready as source for auto-low-power condition
drdy_lowpow_trig
0x00
notrig
no triggering of low-power
0x01
trig-newdata
new data ready triggers going into low-power
gen1_int: generic interrupt 1 as source for auto-low-power condition
gen1_int
0x00
nodtrig
no triggering of low-power
0x01
trig-gen1
generic interrupt 1 triggers going into low-power
auto_lp_timeout: auto-low-power timeout as source for auto-low-power condition
auto_lp_timeout
0x00
auto_lp_timeout_0
Low-power timeout disabled
0x01
auto_lp_timeout_1
Low-power timeout active, device shall switch into low
power mode as soon timeout counter is expired
0x02
auto_lp_timeout_2
Low-power timeout active, as 01b, but timeout counter
resets if gen2_int is asserted
0x03
auto_lp_timeout_3
same as 10b
auto_lp_timeout_thres_3_0: lsb of auto-low-power timeout threshold
timeout = auto_lp_timeout_thres_3_0 +16*auto_lp_timeout_thres_11_4
Confidential and under NDA
Seeed Studio
Confidential and under NDA
Seeed Studio
Confidential and under NDA