Bosch MAN-REG-X-08 Especificaciones Pagina 21

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Data sheet
BMA220
Page 21
BST-BMA220-DS003-08 | Revision 1.15 | August 2011 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.
Figure 7: Tap sensing interrupt detection
When a tap-sensing interrupt is triggered, the following details can be read from the
corresponding registers: the axis that has triggered the interrupt (tt_first_x, tt_first_y, tt_first_z)
and the motion direction of the triggering acceleration signal (tt_sign).
ta
p
shock=50ms
tt_th
single tap detection
(
slo
p
e
time
1st TAP
ta
pq
uiet = 30ms tt
_
dur = 12.5 ÷ 500 ms
2nd TAP
ta
p
shock=50ms ta
pq
uiet = 30ms
time
double tap detection
timee
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