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LSM6DSV320X Datasheet(PDF) 42 Page - STMicroelectronics

Part # LSM6DSV320X
Description  6-axis IMU (inertial measurement unit) with high-g accelerometer, embedded AI, and sensor fusion for high-end applications, car crash detection
PDF  212 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LSM6DSV320X Datasheet(HTML) 42 Page - STMicroelectronics

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6.8
Enhanced EIS
The LSM6DSV320X offers advanced design flexibility for EIS applications: enhanced EIS functionality has a
dedicated channel and processing with independent filtering.
Enhanced EIS main features:
Enhanced EIS channel gyroscope data can be read over the primary interfaces through I²C / MIPI I3C® /
SPI.
EIS data are available in free-run mode in the output registers (UI_OUTX_L_G_OIS_EIS (2Eh) and
UI_OUTX_H_G_OIS_EIS (2Fh) through UI_OUTZ_L_G_OIS_EIS (32h) and UI_OUTZ_H_G_OIS_EIS
(33h)) by setting the G_EIS_ON_G_OIS_OUT_REG bit to 1 in the CTRL_EIS (6Bh) register or in FIFO (by
setting the G_EIS_FIFO_EN bit to 1 in the FIFO_CTRL4 (0Ah) register) with dedicated TAG and timestamp
configurable using FIFO_CTRL4 (0Ah).
Enhanced EIS option is compatible with mode 3 selection. When EIS data-out are read from the output
registers (setting G_EIS_ON_G_OIS_OUT_REG bit), data from the gyroscope OIS chain can be only read
from the auxiliary interfaces.
Figure 24. LSM6DSV320X supports UI, enhanced EIS, and OIS processing simultaneously
UI
UI / EIS
block
EIS
Camera
module
AP
Auxiliary SPI /
Auxiliary I3C
Primary
output
I2C/MIPI I3C /SPI
®
Figure 25. Gyroscope enhanced EIS and UI block diagram
ADC
LPF EIS
LPF UI
FS UI
FIFO
SPI / I2C/
MIPI I3C
UI Channel
EIS Channel
FS EIS
®
When enhanced EIS mode is activated through the ODR_EIS_[1:0] bits in the CTRL_EIS (6Bh) register:
Gyroscope UI can be configured only in power-down mode, high-performance mode, or high-accuracy
ODR mode.
Gyroscope EIS full scale can be selected by using the FS_G_EIS_[2:0] bits in the CTRL_EIS (6Bh)
register.
Gyroscope EIS data rate selectable at 1.92 kHz or 960 Hz configurable through the ODR_G_EIS_[1:0] bits
in the CTRL_EIS (6Bh) register.
LPF_EIS low-pass filter (refer to Figure 25) bandwidth selection can be configured through the
LPF_G_EIS_BW bit in the CTRL_EIS (6Bh) register.
LSM6DSV320X
Functionality
DS14623 - Rev 1
page 42/212



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