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LIS331DL 数据表(PDF) 32 Page - STMicroelectronics

部件名 LIS331DL
功能描述  MEMS motion sensor 3-axis - ±2g/±8g smart digital output -nano-accelerometer
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LIS331DL 数据表(HTML) 32 Page - STMicroelectronics

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Register description
LIS331DL
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7.13
FF_WU_DURATION_1 (33h)
Duration register for Free-Fall/Wake-Up interrupt 1. Duration step and maximum value
depend on the ODR chosen. Step 2.5 msec, from 0 to 637.5 msec if ODR=400 Hz, else step
10 msec, from 0 to 2.55 sec when ODR=100 Hz. The counter used to implement duration
function is blocked when LIR=1 in configuration register and the interrupt event is verified
7.14
FF_WU_CFG_2 (34h)
Table 36.
FF_WU_DURATION_1 register
D7
D6
D5
D4
D3
D2
D1
D0
Table 37.
FF_WU_DURATION_1 description
D7-D0
Duration value. Default value: 0000 0000
Table 38.
FF_WU_CFG_2 register
AOI
LIR
ZHIE
ZLIE
YHIE
YLIE
XHIE
XLIE
Table 39.
FF_WU_CFG_2 description
AOI
And/Or combination of Interrupt events. Default value: 0
(0: OR combination of interrupt events; 1: AND combination of interrupt events)
LIR
Latch Interrupt request into FF_WU_SRC_2 reg with the FF_WU_SRC_2 reg cleared
by reading FF_WU_SRC_2 reg. Default value: 0
(0: interrupt request not latched; 1: interrupt request latched)
ZHIE
Enable interrupt generation on Z High event. Default value: 0
(0: disable interrupt request;
1: enable interrupt request on measured accel. value higher than preset threshold)
ZLIE
Enable interrupt generation on Z Low event. Default value: 0
(0: disable interrupt request;
1: enable interrupt request on measured accel. value lower than preset threshold)
YHIE
Enable interrupt generation on Y High event. Default value: 0
(0: disable interrupt request;
1: enable interrupt request on measured accel. value higher than preset threshold)
YLIE
Enable interrupt generation on Y Low event. Default value: 0
(0: disable interrupt request;
1: enable interrupt request on measured accel. value lower than preset threshold)
XHIE
Enable interrupt generation on X High event. Default value: 0
(0: disable interrupt request;
1: enable interrupt request on measured accel. value higher than preset threshold)
XLIE
Enable interrupt generation on X Low event. Default value: 0
(0: disable interrupt request;
1: enable interrupt request on measured accel. value lower than preset threshold)



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