LIS2DH datasheet(33/50 Pages) STMICROELECTRONICS

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LIS2DH

Registers Description

Doc ID 022516 Rev 1

33/49

7.6

CTRL_REG1 (20h)

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>

Table 25.

TEMP_CFG_REG description

TEMP_EN[1-0]

Temperature sensor (T) enable. Default value: 00

(00: T disabled; 11: T enabled)

Table 26.

CTRL_REG1 register

ODR3

ODR2

ODR1

ODR0

LPen

Zen

Yen

Xen

Table 27.

CTRL_REG1 description

ODR3-0

Data rate selection. Default value: 00

(0000:Power Down mode; Others: Refer to Table 28, "Data Rate Configuration")

LPen

Low power mode enable. Default value: 0

(0: Normal mode, 1: Low power mode)

(Refer to section 2.6.3: High resolution, Normal mode, Low power mode)

Zen

Z axis enable. Default value: 1

(0: Z axis disabled; 1: Z axis enabled)

Yen

Y axis enable. Default value: 1

(0: Y axis disabled; 1: Y axis enabled)

Xen

X axis enable. Default value: 1

(0: X axis disabled; 1: X axis enabled)

Table 28.

Data rate configuration

ODR3

ODR2

ODR1

ODR0

Power mode selection

Power down mode

HR / normal / Low power mode (1 Hz)

HR / normal / Low power mode (10 Hz)

HR / normal / Low power mode (25 Hz)

HR / normal / Low power mode (50 Hz)

HR / normal / Low power mode (100 Hz)

HR / normal / Low power mode (200 Hz)

HR/ normal / Low power mode (400 Hz)

Low power mode (1.620 kHz)

HR/ normal (1.344 kHz);

Low power mode (5.376 kHz)

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