LSM6DST datasheet(86/180 Pages) STMICROELECTRONICS

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Table 66. CTRL8_XL register description

HPCF_XL_[2:0]

Accelerometer LPF2 and HP filter configuration and cutoff setting. Refer to

Table 67.

HP_REF_

MODE_XL

Enables accelerometer high-pass filter reference mode (valid for high-pass path -

HP_SLOPE_XL_EN bit must be ‘1’). Default value: 0

(0: disabled, 1: enabled(1))

1. When enabled, the first output data have to be discarded.

FASTSETTL

_MODE_XL

Enables accelerometer LPF2 and HPF fast-settling mode. The filter sets the

second samples after writing this bit. Active only during device exit from power-

down mode. Default value: 0

(0: disabled, 1: enabled)

HP_SLOPE_

XL_EN

Accelerometer slope filter / high-pass filter selection. Refer to Figure 26.

XL_FS_MODE

Accelerometer full-scale management between UI chain and OIS chain

(0: Old full-scale mode. When XL UI is on, the full scale is the same between

UI/OIS and is chosen by the UI CTRL registers; when XL UI is in PD, the OIS can

choose the FS.

1: New full-scale mode. Full scales are independent between the UI/OIS chain

but both bound to ±8 g.)

LOW_PASS

_ON_6D

LPF2 on 6D function selection. Refer to Figure 26. Default value: 0

(0: ODR/2 low-pass filtered data sent to 6D interrupt function;

1: LPF2 output data sent to 6D interrupt function)

Table 67. Accelerometer bandwidth configurations

Filter type

HP_SLOPE_

XL_EN

LPF2_XL_EN

HPCF_XL_[2:0]

Bandwidth

Low pass

ODR/2

000

ODR/4

001

ODR/10

010

ODR/20

011

ODR/45

100

ODR/100

101

ODR/200

110

ODR/400

111

ODR/800

High pass

000

SLOPE (ODR/4)

001

ODR/10

010

ODR/20

011

ODR/45

100

ODR/100

101

ODR/200

110

ODR/400

111

ODR/800

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