LIS3DH datasheet(30/42 Pages) STMICROELECTRONICS

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Registers description

LIS3DH

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Doc ID 17530 Rev 1

ODR<3:0> is used to set power mode and ODR selection. In the following table are reported

all frequency resulting in combination of ODR<3:0>

8.9

CTRL_REG2 (21h)

Table 26.

Data rate configuration

ODR3

ODR2

ODR1

ODR0

Power mode selection

Power down mode

Normal / low power mode (1 Hz)

Normal / low power mode (10 Hz)

Normal / low power mode (25 Hz)

Normal / low power mode (50 Hz)

Normal / low power mode (100 Hz)

Normal / low power mode (200 Hz)

Normal / low power mode (400 Hz)

Low power mode (1.6 KHz)

Normal (1.25 kHz) / low power mode (5 KHz)

Table 27.

CTRL_REG2 register

HPM1

HPM0

HPCF2

HPCF1

FDS

HPCLICK

HPIS2

HPIS1

Table 28.

CTRL_REG2 description

HPM1 -HPM0

High pass filter mode selection. Default value: 00

Refer to Table 29, "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)

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