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LSM303C 数据表(PDF) 36 Page - STMicroelectronics |
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LSM303C 数据表(HTML) 36 Page - STMicroelectronics |
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36 / 53 page ![]() Register description LSM303C 36/53 DocID024975 Rev 2 8.8 CTRL_REG5_A (24h) Control register 5 (r/w) Table 33. CTRL_REG5_A register BW_SCALE _ODR if '0' bandwidth is automatically selected according BW = 400 Hz when ODR = 800 Hz, 50 Hz, 10 Hz; BW = 200 Hz when ODR = 400 Hz; BW = 100 Hz when ODR = 200 Hz; BW = 50 Hz when ODR = 100 Hz; if '1' bandwidth is selected according to BW [2:1] excluding ODR = 50 Hz, 10 Hz, BW = 400 Hz IF_ADD_INC Register address automatically incremented during a multiple byte access with a serial interface (I2C or SPI). (0: disable; 1: enable) I2C_DISABLE Disable I2C interface. Default value 0. (0: I2C enable; 1: I2C disable) SIM SPI Serial Interface Mode selection. Default value: 0 0 = SPI write-only operations enabled; 1 = SPI read and write operations enabled Table 32. CTRL_REG4_A register description DEBUG SOFT_RESET DEC1 DEC0 ST2 ST1 H_LACTIVE PP_OD Table 34. CTRL_REG5_A register description DEBUG Debug stepping action selected. Default value: 0 (0: disable; 1: enable) SOFT_RESET Soft reset, it acts as POR when 1, then goes to 0 DEC [1:0] Decimation of acceleration data on OUT REG and FIFO 00: no decimation 01: update every 2 samples 10: update every 4 samples 11: update every 8 samples ST [2:1] Self-test enable. Default value: 00 (00: self-test disabled; Other: see Table 35) H_LACTIVE Interrupt active high, low. Default value: 0 (0: active high; 1: active low) PP_OD Push-pull/open-drain selection on interrupt pad. Default value: 0 (0: push-pull; 1: open drain) Table 35. Self-test mode selection ST2 ST1 Self-test mode 0 0 Normal mode 0 1 Positive sign self-test 1 0 Negative sign self-test 1 1 Not allowed Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. Downloaded from Arrow.com. |
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