LIS3DE datasheet(31/46 Pages) STMICROELECTRONICS

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LIS3DE

ODR [3:0] is used to set power mode and ODR selection. The following table provides all

frequencies resulting from a combination of ODR [3:0].

8.9

CTRL_REG2 (21h)

Table 26. Data rate configuration

ODR3

ODR2

ODR1

ODR0

Power mode selection

0000

Power-down mode

0001

Normal / Low-power mode (1 Hz)

0010

Normal / Low-power mode (10 Hz)

0011

Normal / Low-power mode (25 Hz)

0100

Normal / Low-power mode (50 Hz)

0101

Normal / Low-power mode (100 Hz)

0110

Normal / Low-power mode (200 Hz)

0111

Normal / Low-power mode (400 Hz)

1000

Low-power mode (1.6 KHz)

1001

Normal (1.344 kHz) / Low-power mode (5.376 kHz)

Table 27. CTRL_REG2 register

HPM1

HPM0

HPCF2

HPCF1

FDS

HPCLICK

HPIS2

HPIS1

Table 28. CTRL_REG2 register description

HPM [1:0]

High-pass filter mode selection. Default value: 00

Refer to Table 29

HPCF [2:1]

High-pass filter cutoff frequency selection

FDS

Filtered data selection. Default value: 0

(0: internal filter bypassed; 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 IG2

(0: filter bypassed; 1: filter enabled)

HPIS1

High-pass filter enabled for IG1

(0: filter bypassed; 1: filter enabled)

Table 29. High-pass filter mode configuration

HPM1

HPM0

High pass filter mode

Normal mode (reset by reading the

Reference signal for filtering

Normal mode

Auto-reset on interrupt event

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