Datasheet

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9.13 CTRL1_XL (10h)

Linear acceleration sensor control register 1 (r/w).

Table 50. CTRL1_XL register

Table 51. CTRL1_XL register description

ODR_XL3 ODR_XL2 ODR_XL1 ODR_XL0 FS_XL1 FS_XL0

LPF1_BW_

SEL

BW0_XL

ODR_XL [3:0] Output data rate and power mode selection. Default value: 0000 (see Table 52).

FS_XL [1:0]

Accelerometer full-scale selection. Default value: 00.

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

LPF1_BW_SEL

Accelerometer digital LPF (LPF1) bandwidth selection. For bandwidth selection

refer to CTRL8_XL (17h).

BW0_XL

Accelerometer analog chain bandwidth selection (only for accelerometer

ODR ≥ 1.67 kHz).

(0: BW @ 1.5 kHz;

1: BW @ 400 Hz)

Table 52. Accelerometer ODR register setting

ODR_

XL3

ODR_

XL2

ODR_

XL1

ODR_

XL0

ODR selection [Hz] when

XL_HM_MODE = 1

ODR selection [Hz] when

XL_HM_MODE = 0

0 0 0 0 Power-down Power-down

1 0 1 1 1.6 Hz (low power only) 12.5 Hz (high performance)

0 0 0 1 12.5 Hz (low power) 12.5 Hz (high performance)

0 0 1 0 26 Hz (low power) 26 Hz (high performance)

0 0 1 1 52 Hz (low power) 52 Hz (high performance)

0 1 0 0 104 Hz (normal mode) 104 Hz (high performance)

0 1 0 1 208 Hz (normal mode) 208 Hz (high performance)

0 1 1 0 416 Hz (high performance) 416 Hz (high performance)

0 1 1 1 833 Hz (high performance) 833 Hz (high performance)

1 0 0 0 1.66 kHz (high performance) 1.66 kHz (high performance)

1 0 0 1 3.33 kHz (high performance) 3.33 kHz (high performance)

1 0 1 0 6.66 kHz (high performance) 6.66 kHz (high performance)

1 1 x x Not allowed Not allowed