LIS3DH Datasheet, PDF (34/42 Pages) STMicroelectronics – ultra low-power high performance 3-axes “nano” accelerometer

Registers description
8.19 FIFO_CTRL_REG (2Eh)
Table 42. REFERENCE register
FM1
FM0
TR
FTH4
FTH3
FTH2
FTH1
LIS3DH
FTH0
Table 43.
FM1-FM0
TR
FTH4:0
REFERENCE register description
FIFO mode selection. Default value: 00 (see Table 44)
Trigger selection. Default value: 0
0: Trigger event liked to trigger signal on INT1
1: Trigger event liked to trigger signal on INT2
Default value: 0
Table 44. FIFO mode configuration
FM1
FM0
0
0
0
1
1
0
1
1
Self test mode
Bypass mode
FIFO mode
Stream mode
Trigger mode
8.20
FIFO_SRC_REG (2Fh)
Table 45. FIFO_SRC register
WTM OVRN_FIFO EMPTY
FSS4
FSS3
FSS2
FSS1
FSS0
8.21
INT1_CFG (30h)
Table 46. INT1_CFG register
AOI 6D
ZHIE/
ZLIE/
ZUPE
ZDOWNE
YHIE/
YLIE/
YUPE
YDOWNE
XHIE/
XLIE/
XUPE
XDOWNE
Table 47.
AOI
6D
ZHIE/
ZUPE
INT1_CFG description
And/Or combination of Interrupt events. Default value: 0. Refer to Table 48, "Inter-
rupt mode"
6 direction detection function enabled. Default value: 0. Refer to Table 48, "Interrupt
mode"
Enable interrupt generation on Z high event or on Direction recognition. Default
value: 0 (0: disable interrupt request;1: enable interrupt request)
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