LSM6DSTX datasheet(32/175 Pages) STMICROELECTRONICS

部件名	LSM6DSTX

功能描述	iNEMO inertial module: always-on 3-axis accelerometer and 3-axis gyroscope with embedded machine learning core

PDF	175 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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6.4.2

Block diagrams of the gyroscope filters

In the LSM6DSTX, the gyroscope filtering chain depends on the mode configuration:

Mode 1 (for user interface (UI) and electronic image stabilization (EIS) functionality over the primary

interface) and mode 2

Figure 20. Gyroscope digital chain - mode 1 (UI/EIS) and mode 2

ADC

HPF

HP_EN_G

LPF1

LPF2

LPF1_SEL_G

SPI /

I2C /

FIFO

FTYPE [2:0]

ODR_G[3:0]

MIPI I3CSM

FSM / MLC

In this configuration, the gyroscope ODR is selectable from 12.5 Hz up to 6.66 kHz. A low-pass filter

(LPF1) is available if the auxiliary SPI is disabled, for more details about the filter characteristics see

Table 61. Gyroscope LPF1 bandwidth selection.

The digital LPF2 filter cannot be configured by the user and its cutoff frequency depends on the selected

gyroscope ODR, as indicated in the following table.

Table 18. Gyroscope LPF2 bandwidth selection

Gyroscope ODR [Hz]

LPF2 cutoff [Hz]

12.5

4.2

8.3

16.6

104

33.0

208

66.8

417

135.9

833

295.5

1667

1108.1

3333

1320.7

6667

1441.8

Data can be acquired from the output registers and FIFO over the primary I²C/I3C/SPI interface.

LSM6DSTX

Block diagram of filters

DS14039 - Rev 1

page 32/175

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