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LSM6DSV 数据表(PDF) 30 Page - STMicroelectronics

部件名 LSM6DSV
功能描述  iNEMO inertial module: always-on 3-axis accelerometer and 3-axis gyroscope
PDF  187 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LSM6DSV 数据表(HTML) 30 Page - STMicroelectronics

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6.3
Accelerometer dual-channel mode
The LSM6DSV accelerometer block has a dual-channel architecture able to work with two different full scales
simultaneously. By default, the device operates in single-channel mode supporting FS scale values from ±2 g
through ±16 g and different power modes, as described in Section 6.2 Accelerometer power modes. The block
diagrams in the following figures show the configuration of acceleration data processing in the two different
modes.
Figure 15. Single-channel mode (XL_DualC_EN = 0)
ADC
Digital
LP Filter
OP_MODE_XL_[2:0]
ODR_XL_[3:0]
LPF1
SPI / I2C /
MIPI I3C
FIFO
Composite
Filter
Channel 1
±2/±4/±8/±16 g
®
Figure 16. Dual-channel mode (XL_DualC_EN = 1)
ADC
Digital
LP Filter
OP_MODE_XL_[2:0]
ODR_XL_[3:0]
LPF1
SPI / I2C /
MIPI I3C
FIFO
Composite
Filter
Channel 1
±2/±4/±8/±16 g
DualC
XL_DualC_EN
Channel 2
±16 g
®
The dual-channel functionality can be enabled/disabled by configuring the bit XL_DualC_EN to 1 (enable) or to 0
(disable) in CTRL8 (17h).
Referring to Figure 16. Dual-channel mode (XL_DualC_EN = 1), when the dual-channel mode has been
activated:
1.
Channel 1 supports user-selectable full-scale acceleration range of ±2/±4/±8/±16 g based on the value of the
FS_XL_[1:0] bits in the CTRL8 (17h) register.
2.
Channel 2 full scale is set to ±16 g. Acceleration data are available in the output
registers from UI_OUTX_L_A_OIS_DualC (34h) and UI_OUTX_H_A_OIS_DualC (35h) through
UI_OUTZ_L_A_OIS_DualC (38h) and UI_OUTZ_H_A_OIS_DualC (39h)).
LSM6DSV
Accelerometer dual-channel mode
DS13476 - Rev 2
page 30/187



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