LSM330DL datasheet(29/54 Pages) STMICROELECTRONICS

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LSM330DL

Registers description

Doc ID 022018 Rev 1

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Registers description

The device contains a set of registers which are used to control its behavior and to retrieve

acceleration, angular rate and temperature data. The register addresses, composed of 7

bits, are used to identify them and to write the data through the serial interface.

7.1

CTRL_REG1_A (20h)

ODR<3:0> is used to set power mode and ODR selection. The following table gives the

frequency for all combinations of ODR<3:0>.

Table 19.

CTRL_REG1_A register

ODR3

ODR2

ODR1

ODR0

LPen

Zen

Yen

Xen

Table 20.

CTRL_REG1_A description

ODR3-0

Data rate selection. Default value: 0

(0000: power-down; Others: Refer to

Table 21: Data rate configuration

LPen

Low-power mode enable. Default value: 0

(0: normal mode, 1: 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 21.

Data rate configuration

ODR3

ODR2

ODR1

ODR0

Power mode selection

00Power-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)

00Low-power mode (1.620 kHz)

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

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