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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ISM330BX датащи(PDF) 36 Page - STMicroelectronics |
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ISM330BX датащи(HTML) 36 Page - STMicroelectronics |
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36 / 150 page  6.3 Accelerometer dual-channel mode The ISM330BX 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 ±8 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 21. 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 g ® Figure 22. 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 g DualC XL_DualC_EN Channel 2 ±8 g ® (1) 1. In channel 2, the linear acceleration sensitivity is independent of the full scale and fixed at 0.488 mg/LSB. 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 22. 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 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 ±8 g. Acceleration data are available in the output registers from UI_OUTZ_L_A_DualC (34h) and UI_OUTZ_H_A_DualC (35h) through UI_OUTX_L_A_DualC (38h) and UI_OUTX_H_A_DualC (39h)). Note: In channel 2, the linear acceleration sensitivity is independent of the full scale and fixed at 0.488 mg/LSB. ISM330BX Functionality DS14588 - Rev 2 page 36/150 |
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