Datasheet

Registers Description LIS2DH
34/49 Doc ID 022516 Rev 1
7.7 CTRL_REG2 (21h)
7.8 CTRL_REG3 (22h)
Table 29. CTRL_REG2 register
HPM1 HPM0 HPCF2 HPCF1 FDS HPCLICK HPIS2 HPIS1
Table 30. CTRL_REG2 description
HPM1 -HPM0 High Pass filter Mode Selection. Default value: 00
Refer to Table 31, "High pass filter mode configuration"
HPCF2 -
HPCF1
High Pass filter Cut Off frequency selection
FDS
Filtered Data Selection. Default value: 0
(0: internal filter bypassed; 1: data from internal filter sent to output register and
FIFO)
HPCLICK
High Pass filter enabled for CLICK function.
(0: filter bypassed; 1: filter enabled)
HPIS2 High Pass filter enabled for AOI function on Interrupt 2,
(0: filter bypassed; 1: filter enabled)
HPIS1 High Pass filter enabled for AOI function on Interrupt 1,
(0: filter bypassed; 1: filter enabled)
Table 31. High pass filter mode configuration
HPM1 HPM0 High Pass filter Mode
0 0 Normal mode (reset reading REFERENCE/DATACAPTURE (26h) register)
0 1 Reference signal for filtering
1 0 Normal mode
1 1 Autoreset on interrupt event
Table 32. CTRL_REG3 register
I1_CLICK I1_AOI1 I1_AOI2 I1_DRDY1 I1_DRDY2 I1_WTM I1_OVERRUN --
Table 33. CTRL_REG3 description
I1_CLICK CLICK interrupt on INT1 pin. Default value 0.
(0: Disable; 1: Enable)
I1_AOI1 AOI1 interrupt on INT1 pn. Default value 0.
(0: Disable; 1: Enable)