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LSM303D 数据表(PDF) 31 Page - STMicroelectronics |
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LSM303D 数据表(HTML) 31 Page - STMicroelectronics |
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31 / 52 page ![]() DocID023312 Rev 2 31/52 LSM303D Register description 52 8.3 OUT_X_L_M (08h), OUT_X_H_M (09h) X-axis magnetic data. The value is expressed in 16-bit as two’s complement. 8.4 OUT_Y_L_M (0Ah), OUT_Y_H_M (0Bh) Y-axis magnetic data. The value is expressed in 16-bit as two’s complement. 8.5 OUT_Z_L_M (0Ch), OUT_Z_H_M (0Dh) Z-axis magnetic data. The value is expressed in 16-bit as two’s complement. 8.6 WHO_AM_I (0Fh) Device identification register. 8.7 INT_CTRL_M (12h) Table 19. WHO_AM_I register 01 0 0 1 0 0 1 Table 20. INT_CTRL_M register XMIEN YMIEN ZMIEN PP_OD IEA MIEL 4D MIEN Table 21. INT_CTRL_M register description XMIEN Enable interrupt recognition on X-axis for magnetic data. Default value: 0. (0: disable interrupt recognition; 1: enable interrupt recognition) YMIEN Enable interrupt recognition on Y-axis for magnetic data. Default value: 0. (0: disable interrupt recognition; 1: enable interrupt recognition) ZMIEN Enable interrupt recognition on Z-axis for magnetic data. Default value: 0. (0: disable interrupt recognition; 1: enable interrupt recognition) PP_OD Interrupt pin configuration. Default value: 0. (0: push-pull; 1: open drain) IEA Interrupt polarity. Default value: 0. (0: interrupt active-low; 1: interrupt active-high) MIEL Latch interrupt request on INT_SRC_M (13h) register. Default value: 0. (0: interrupt request not latched; 1: interrupt request latched) Once the MIEL is set to ‘1’, the interrupt is cleared by reading the INT_SRC_M (13h) register. 4D 4D enable: 4D detection on acceleration data is enabled when 6D bit in IG_CFG1 (30h) is set to 1. Default value: 0. MIEN Enable interrupt generation for magnetic data. Default value: 0. (0: disable interrupt generation; 1: enable interrupt generation) |
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