MIS2DH datasheet(33/49 Pages) STMICROELECTRONICS

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MIS2DH

7.6

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 26. CTRL_REG1 register

ODR3

ODR2

ODR1

ODR0

LPen

Zen

Yen

Xen

Table 27. CTRL_REG1 description

ODR[3:0]

Data rate selection. Default value: 0000

(0000: power-down mode; others: refer to Table 28)

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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