Datasheet

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LIS3DH Registers description

8.8 CTRL_REG1 (20h)

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

the frequency of each combination of ODR[3:0].

Table 29. CTRL_REG1 register

ODR3 ODR2 ODR1 ODR0 LPen Zen Yen Xen

Table 30. CTRL_REG1 description

ODR[3:0]

Data rate selection. Default value: 0000

(0000: power-down mode; others: Refer to Table 31: Data rate configuration)

LPen

Low-power mode enable. Default value: 0

(0: high-resolution mode / normal mode, 1: low-power mode)

(Refer to section Section 3.2.1: 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 31. Data rate configuration

ODR3 ODR2 ODR1 ODR0 Power mode selection

0 0 0 0 Power-down mode

0 0 0 1 HR / Normal / Low-power mode (1 Hz)

0 0 1 0 HR / Normal / Low-power mode (10 Hz)

0 0 1 1 HR / Normal / Low-power mode (25 Hz)

0 1 0 0 HR / Normal / Low-power mode (50 Hz)

0 1 0 1 HR / Normal / Low-power mode (100 Hz)

0 1 1 0 HR / Normal / Low-power mode (200 Hz)

0 1 1 1 HR / Normal / Low-power mode (400 Hz)

1 0 0 0 Low power mode (1.60 kHz)

1 0 0 1 HR / normal (1.344 kHz);

Low-power mode (5.376 kHz)