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LSM9DS1 数据表(PDF) 64 Page - STMicroelectronics |
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LSM9DS1 数据表(HTML) 64 Page - STMicroelectronics |
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64 / 72 page ![]() Magnetometer register description LSM9DS1 64/72 DocID025715 Rev 3 8.6 CTRL_REG2_M (21h) 8.7 CTRL_REG3_M (22h) Table 112. CTRL_REG2_M register 0(1) 1. These bits must be set to ‘0’ for the correct operation of the device. FS1 FS0 0(1) REBOOT SOFT_RST 0(1) 0(1) Table 113. CTRL_REG2_M register description FS[1:0] Full-scale configuration. Default value: 00 Refer to Table 114 REBOOT Reboot memory content. Default value: 0 (0: normal mode; 1: reboot memory content) SOFT_RST Configuration registers and user register reset function. (0: default value; 1: reset operation) Table 114. Full-scale selection FS1 FS0 Full scale 0 0 ± 4 gauss 0 1 ± 8 gauss 1 0 ± 12 gauss 1 1 ± 16 gauss Table 115. CTRL_REG3_M register I2C_ DISABLE 0(1) 1. These bits must be set to ‘0’ for the correct operation of the device. LP 0(1) 0(1) SIM MD1 MD0 Table 116. CTRL_REG3_M register description I2C_DISABLE Disable I2C interface. Default value 0. (0: I2C enable; 1: I2C disable) LP Low-power mode configuration. Default value: 0 If this bit is ‘1’, the DO[2:0] is set to 0.625 Hz and the system performs, for each channel, the minimum number of averages. Once the bit is set to ‘0’, the magnetic data rate is configured by the DO bits in the CTRL_REG1_M (20h) register. SIM SPI Serial Interface mode selection. Default value: 0 (0: SPI only write operations enabled; 1: SPI read and write operations enable). MD[1:0] Operating mode selection. Default value: 11 Refer to Table 117. |
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