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LSM6DSV 数据表(PDF) 149 Page - STMicroelectronics |
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LSM6DSV 数据表(HTML) 149 Page - STMicroelectronics |
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149 / 187 page ![]() 15.3 Page 2 - embedded advanced features registers 15.3.1 EXT_FORMAT (00h) External sensor data format (2-byte or 3-byte) for the finite state machine (R/W) Table 378. EXT_FORMAT register 0(1) 0(1) 0(1) 0(1) 0(1) EXT_FORMAT _SEL 0(1) 0(1) 1. This bit must be set to 0 for the correct operation of the device. Table 379. EXT_FORMAT register description EXT_FORMAT_SEL Selects the format of the external sensor data for FSM processing. Default value: 0 (0: 2-byte format; 1: 3-byte format) 15.3.2 EXT_3BYTE_SENSITIVITY_L (02h) and EXT_3BYTE_SENSITIVITY_H (03h) External sensor (3-byte output data) sensitivity value register for the finite state machine (R/W) This register corresponds to the conversion value of the external sensor having 3-byte output data. The register value is expressed as half-precision floating-point format: SEEEEEFFFFFFFFFF (S: 1 sign bit; E: 5 exponent bits; F: 10 fraction bits). The default value of EXT_3BYTE_S_[15:0] is 0x0C00 (when using an external pressure sensor this value corresponds to 2.441e-04 hPa/LSB). Table 380. EXT_3BYTE_SENSITIVITY_L register EXT_3BYTE_ S_7 EXT_3BYTE_ S_6 EXT_3BYTE_ S_5 EXT_3BYTE_ S_4 EXT_3BYTE_ S_3 EXT_3BYTE_ S_2 EXT_3BYTE_ S_1 EXT_3BYTE_ S_0 Table 381. EXT_3BYTE_SENSITIVITY_L register description EXT_3BYTE_S_[7:0] External sensor (3-byte output data) sensitivity (LSbyte). Default value: 00000000 Table 382. EXT_3BYTE_SENSITIVITY_H register EXT_3BYTE_ S_15 EXT_3BYTE_ S_14 EXT_3BYTE_ S_13 EXT_3BYTE_ S_12 EXT_3BYTE_ S_11 EXT_3BYTE_ S_10 EXT_3BYTE_ S_9 EXT_3BYTE_ S_8 Table 383. EXT_3BYTE_SENSITIVITY_H register description EXT_3BYTE_S_[15:8] External sensor (3-byte output data) sensitivity (MSbyte). Default value: 00001100 LSM6DSV Page 2 - embedded advanced features registers DS13476 - Rev 2 page 149/187 |
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