BMA253
Data sheet
Page 80
Register 0x2B (INT_9)
Contains the definition of the number of samples processed by the single / double-tap interrupt
engine after wake-up in low-power mode. It also defines the threshold definition for the single
and double tap interrupts.
Name
Bit
0x2B
7
INT_9
6
5
4
Read/Write R/W
R/W
0
R/W
0
R/W
0
Reset
0
Value
Content
tap_samp<1:0>
3
reserved
tap_th<4>
Bit
2
1
0
Read/Write R/W
R/W
0
R/W
1
R/W
0
Reset
1
Value
Content
tap_th<3:0>
tap_samp<1:0>: selects the number of samples that are processed after wake-up in the low-
power mode according to ´00b´ 2 samples, ´01b´ 4 samples, ´10b´ 8
samples, and ´11b´ 16 samples
reserved:
write ‘0’
tap_th<4:0>:
threshold of the single/double-tap interrupt corresponding to an acceleration
difference of tap_th<4:0> · 62.5mg (2g-range), tap_th<4:0> · 125mg (4g-
range), tap_th<4:0> · 250mg (8g-range), and tap_th<4:0> · 500mg (16g-
range).
BST-BMA253-DS000-01 | Revision 1.0 | August 2015
Bosch Sensortec
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Note: Specifications within this document are subject to change without notice.
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