Datasheet

Preliminary Data Sheet
BMA400
Page 79 /
Confidential
BST-BMA400-DS000-00 | Version 0.1 | November 2017 Bosch Sensortec
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to 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.
Register (0x26) FIFO_CONFIG0
DESCRIPTION: the registers contain the FIFO control and FIFO configuration settings
RESET: 0x00
DEFINITION (Go to register map):
Name
Register (0x26) FIFO_CONFIG0
Bit
7
6
5
4
Read/Write
RW
RW
RW
RW
Reset Value
0
0
0
0
Content
fifo_z_en
fifo_y_en
fifo_x_en
fifo_8bit_en
Bit
3
2
1
0
Read/Write
RW
RW
RW
RW
Reset Value
0
0
0
0
Content
fifo_data_src
fifo_time_en
fifo_stop_on_full
auto_flush
auto_flush: auto flush FIFO when changing power-mode
auto_flush
0x00
noaction
no FIFO flush on changing power mode
0x01
fifo-flush
FIFO flush on changing power mode
fifo_stop_on_full: FIFO writing - stream mode / FIFO full mode
fifo_stop_on_full
0x00
streaming
overwrite oldest FIFO data when FIFO full
0x01
fifo-stop-on-full
stop writing into FIFO when full
fifo_time_en: Enable sending of sensortime frame when reading burst from FIFO and the FIFO runs
empty
fifo_data_src: acceleration data source for storing into FIFO
fifo_data_src
0x00
acc_filt1
store data from acc_filt1 (variable data rate) in FIFO
0x01
acc_filt2
store data from acc_filt2 (100Hz data rate) in FIFO
fifo_8bit_en: enables 8 bit FIFO mode
fifo_8bit_en
0x00
12bit
store data in 12bit format (default)
0x01
8bit
store data in 8bit format
fifo_x_en: x-channel data storage control
fifo_x_en
0x00
nostore
do not store x axis data
0x01
store
store x axis data
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