Datasheet

Preliminary Data Sheet
BMA400
Page 20 /
Confidential
BST-BMA400-DS000-00 | Version 0.1 | November 2017 Bosch Sensortec
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Note: Specifications within this document are subject to change without notice.
In all 3 power modes both register contents and FIFO contents are retained. FIFO readout can be
done in normal mode only. The FIFO is written only in normal mode.
ACC_CONFIG0.
power_mode<1:0>
Description
Details
b00
b11
Sleep mode
(default state after power-up and
after reset)
I(VDD)< 300nA typ
No sensortime, no FIFO read, no data
conversions. Register and FIFO content
retained, registers readable and writeable
b01
Low-power mode
I(VDD)< 1.1uA typ
Data conversion at 25Hz fixed, noise
performance and current consumption tunable
by ACC_CONFIG0.osr_lp setting
wake-up interrupt to switch into normal mode
No FIFO read/write
b10
Normal mode
I(VDD)< 14 uA typ
Data conversion configurable between 800Hz
and 12.5Hz, noise performance and current
consumption tunable by ACC_CONFIG1.osr
FIFO read and write
All interrupts available
Auto-low-power function/interrupt using generic
interrupt 1 to switch automatically into low-power
mode
Confidential and under NDA
Seeed Studio
Confidential and under NDA
Seeed Studio
Confidential and under NDA