LSM6DSM datasheet(67/113 Pages) STMICROELECTRONICS

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LSM6DSM

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10.21

CTRL9_XL (18h)

Linear acceleration sensor control register 9 (r/w).

Table 71. Accelerometer bandwidth selection

HP_SLOPE_

XL_EN

LPF2_XL_EN LPF1_BW_SEL HPCF_XL[1:0]

INPUT_

COMPOSITE

Bandwidth

(low-pass path)(1)

1. The bandwidth column is related to LPF1 if LPF2_XL_EN = 0 or to LPF2 if LPF2_XL_EN = 1.

ODR/2

ODR/4

1 (low noise)

0 (low latency)

ODR/50

ODR/100

ODR/9

ODR/400

(high-pass path)(2)

2. The bandwidth column is related to the slope filter if HPCF_XL[1:0] = 00 or to the HP filter if

HPCF_XL[1:0] = 01/10/11.

ODR/4

ODR/100

ODR/9

ODR/400

Table 72. CTRL9_XL register

DEN_X

DEN_Y

DEN_Z

DEN_XL_G

0(1)

SOFT_EN

0(1)

1. This bit must be set to ‘0’ for the correct operation of the device.

0(1)

Table 73. CTRL9_XL register description

DEN_X

DEN value stored in LSB of X-axis. Default value: 1

(0: DEN not stored in X-axis LSB; 1: DEN stored in X-axis LSB)

DEN_Y

DEN value stored in LSB of Y-axis. Default value: 1

(0: DEN not stored in Y-axis LSB; 1: DEN stored in Y-axis LSB)

DEN_Z

DEN value stored in LSB of Z-axis. Default value: 1

(0: DEN not stored in Z-axis LSB; 1: DEN stored in Z-axis LSB)

DEN_XL_G

DEN stamping sensor selection. Default value: 0

(0: DEN pin info stamped in the gyroscope axis selected by bits [7:5];

1: DEN pin info stamped in the accelerometer axis selected by bits [7:5])

SOFT_EN

Enable soft-iron correction algorithm for magnetometer(1). Default value: 0

(0: soft-iron correction algorithm disabled;

1: soft-iron correction algorithm enabled)

1. This bit is effective if the IRON_EN bit of MASTER_CONFIG (1Ah) and FUNC_EN bit of CTRL10_C (19h)

are set to 1.

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