Information

BMA280
Data sheet
Page 79
BST-BMA280-DS000-11 | Revision 1.8 | August 2014 Bosch Sensortec
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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 0x2A (INT_8)
Contains the timing definitions for the single tap and double tap interrupts.
Name
0x2A
INT_8
Bit
7
6
5
4
Read/Write
R/W
R/W
R/W
R/W
Reset
Value
0
0
0
0
Content
tap_quiet
tap_shock
reserved
reserved
Bit
3
2
1
0
Read/Write
R/W
R/W
R/W
R/W
Reset
Value
0
1
0
0
Content
reserved
tap_dur<2:0>
tap_quiet: selects a tap quiet duration of ‘0’ 30 ms, ‘1’ 20 ms
tap_shock: selects a tap shock duration of ‘0’ 50 ms, ‘1’75 ms
reserved: write ‘0’
tap_dur<2:0>: selects the length of the time window for the second shock event for double
tap detection according to ´000b´  50 ms, ´001b´  100 ms, ´010b´  150
ms, ´011b´  200 ms, ´100b´  250 ms, ´101b´  375 ms, ´110b´  500
ms, ´111b´  700 ms.