Datasheet

Preliminary Data Sheet
BMA400
Page 93 /
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.
0x03
everytime_lp
every time automated update by acc_filt_lp
gen1_data_src: data source selection for interrupts evaluation
gen1_data_src
0x00
filt1
data source is acc_filt1
0x01
filt2
data source is acc_filt2
gen1_act_x_en: x-axis channel control for interrupt evaluation: ‘0’ - not active; ‘1’ - active
gen1_act_y_en: y-axis channel control for interrupt evaluation: ‘0’ - not active; ‘1’ - active
gen1_act_z_en: z-axis channel control for interrupt evaluation: ‘0’ - not active; ‘1’ - active
Register (0x40) GEN1INT_CONFIG1
DESCRIPTION: the registers contain configurations for generic interrupt 1 evaluation
RESET: 0x00
DEFINITION (Go to register map):
Name
Register (0x40) GEN1INT_CONFIG1
Bit
7
6
5
4
Read/Write
n/a
n/a
n/a
n/a
Reset Value
0
0
0
0
Content
reserved
Bit
3
2
1
0
Read/Write
n/a
n/a
RW
RW
Reset Value
0
0
0
0
Content
reserved
gen1_criterion_s
el
gen1_comb_sel
gen1_comb_sel: Select logical combination for creating the interrupt signal from the individual axes
that have been enabled
gen1_comb_sel
0x00
OR
OR combination of x/y/z axis evaluation results
0x01
AND
AND combination of x/y/z axis evaluation results
gen1_criterion_sel: Select criterion for threshold comparison
gen1_criterion_sel
0x00
inactivity
acceleration below threshold: inactivity detection
0x01
activity
acceleration above threshold: inactivity detection
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