LSM303DLHC Datasheet, PDF (25/43 Pages) STMicroelectronics – Ultra compact high performance e-compass 3D accelerometer and 3D magnetometer module

LSM303DLHC
Register description
Table 20. Data rate configuration (continued)
ODR3 ODR2 ODR1 ODR0
Power mode selection
1
0
0
0
Low-power mode (1.620 KHz)
1
0
0
1
Normal (1.344 kHz) / low-power mode (5.376 KHz)
7.1.2
CTRL_REG2_A (21h)
Table 21. CTRL_REG2_A register
HPM1
HPM0
HPCF2 HPCF1
FDS HPCLICK HPIS2
HPIS1
Table 22. CTRL_REG2_A description
HPM1 -HPM0 High pass filter mode selection. Default value: 00
(refer to Table 23)
HPCF2 -
HPCF1
High pass filter cut-off frequency selection
Filtered data selection. Default value: 0
FDS
(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)
7.1.3
Table 23. High pass filter mode configuration
HPM1 HPM0
High pass filter mode
0
0
Normal mode (reset reading HP_RESET_FILTER)
0
1
Reference signal for filtering
1
0
Normal mode
1
1
Autoreset on interrupt event
CTRL_REG3_A (22h)
Table 24. CTRL_REG3_A register
I1_CLICK I1_AOI1 I1_AOI2 I1_DRDY1 I1_DRDY2 I1_WTM I1_OVERRUN --
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