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LPS22DF 数据表(PDF) 11 Page - STMicroelectronics |
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LPS22DF 数据表(HTML) 11 Page - STMicroelectronics |
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11 / 54 page  4.5 Interpreting temperature readings The temperature data are stored in 2 registers: TEMP_OUT_H (2Ch) and TEMP_OUT_L (2Bh). The value is expressed as 2’s complement. To obtain the temperature in °C, take the two’s complement of the complete 16-bit word and then divide by the sensitivity 100 LSB/°C. Figure 7. Temperature readings 0 0 0 0 1 0 0 1 1 1 0 0 0 1 0 0 TEMP_OUT_H TEMP_OUT_L Temperature Value (LSB) = TEMP_OUT_H (2Ch) & TEMP_OUT_L (2Bh) = 09C4 = 2500 LSB (decimal signed) Temperature (°C) = Temperature Value (LSB) Sensitivity = 2500 LSB 100 LSB/°C = 25.00°C LPS22DF Interpreting temperature readings DS13316 - Rev 1 page 11/54 |
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