LSM9DS1 datasheet(52/72 Pages) STMICROELECTRONICS

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Accelerometer and gyroscope register description

LSM9DS1

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DocID025715 Rev 3

Table 67. CTRL_REG6_XL register description

ODR_XL [2:0] is used to set power mode and ODR selection. Table 68 indicates all the

frequencies available when only the accelerometer is activated.

7.25

CTRL_REG7_XL (21h)

Linear acceleration sensor Control Register 7.

ODR_XL

[2:0]

Output data rate and power mode selection. default value: 000 (see

Table 68)

FS_XL

[1:0]

Accelerometer full-scale selection. Default value: 00

(00: ±2g; 01: ±16 g; 10: ±4 g; 11: ±8 g)

BW_SCAL_

ODR

Bandwidth selection. Default value: 0

(0: bandwidth determined by ODR selection:

- BW = 408 Hz when ODR = 952 Hz, 50 Hz, 10 Hz;

- BW = 211 Hz when ODR = 476 Hz;

- BW = 105 Hz when ODR = 238 Hz;

- BW = 50 Hz when ODR = 119 Hz;

1: bandwidth selected according to BW_XL [2:1] selection)

BW_XL

[1:0]

Anti-aliasing filter bandwidth selection. Default value: 00

(00: 408 Hz; 01: 211 Hz; 10: 105 Hz; 11: 50 Hz)

Table 68. ODR register setting (accelerometer only mode)

ODR_XL2

ODR_XL1

ODR_XL0

ODR selection [Hz]

000

Power-down

001

10 Hz

010

50 Hz

011

119 Hz

238 Hz

476 Hz

952 Hz

n.a.

Table 69. CTRL_REG7_XL register

DCF1

DCF0

0(1)

1. These bits must be set to ‘0’ for the correct operation of the device

0(1)

FDS

0(1)

HPIS1

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