Datasheet

Preliminary Data Sheet
BMA400
Page 106 /
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 (0x57) TAP_CONFIG
DESCRIPTION: tap interrupt configuration registers
RESET: 0x00
DEFINITION (Go to register map):
Name
Register (0x57) TAP_CONFIG
Bit
7
6
5
4
Read/Write
n/a
n/a
n/a
RW
Reset Value
0
0
0
0
Content
reserved
sel_axis
Bit
3
2
1
0
Read/Write
RW
RW
RW
RW
Reset Value
0
0
0
0
Content
sel_axis
tap_sensitivity
tap_sensitivity: sensitivity of the tap algorithm
0: highest sensitivity
7: lowest sensitivity
sel_axis: Modifies the selection of the data provided to the algorithm
sel_axis
0x00
Z
use Z axis data
0x01
Y
use Y axis data
0x02
X
use X axis data
Register (0x58) TAP_CONFIG1
DESCRIPTION: tap interrupt configuration registers
RESET: 0x06
DEFINITION (Go to register map):
Name
Register (0x58) TAP_CONFIG1
Bit
7
6
5
4
Read/Write
n/a
n/a
RW
RW
Reset Value
0
0
0
0
Content
reserved
quiet_dt
Bit
3
2
1
0
Read/Write
RW
RW
RW
RW
Reset Value
0
1
1
0
Content
quiet
tics_th
tics_th: Maximum time between upper and lower peak of a tap, in data samples
this time depends on the machanics of the device tapped onto
default = 12 samples
Confidential and under NDA
Seeed Studio
Confidential and under NDA
Seeed Studio
Confidential and under NDA