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STM32F427NET6TR 数据表(PDF) 159 Page - STMicroelectronics |
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STM32F427NET6TR 数据表(HTML) 159 Page - STMicroelectronics |
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159 / 231 page  DocID024030 Rev 6 159/231 STM32F427xx STM32F429xx Electrical characteristics 192 Figure 53. Power supply and reference decoupling (VREF+ connected to VDDA) 1. VREF+ and VREF– inputs are both available on UFBGA176. VREF+ is also available on LQFP100, LQFP144, and LQFP176. When VREF+ and VREF– are not available, they are internally connected to VDDA and VSSA. 6.3.22 Temperature sensor characteristics Table 80. Temperature sensor characteristics Symbol Parameter Min Typ Max Unit TL(1) VSENSE linearity with temperature - ±1 ±2°C Avg_Slope(1) Average slope - 2.5 mV/°C V25(1) Voltage at 25 °C - 0.76 V tSTART(2) Startup time - 6 10 µs TS_temp(2) ADC sampling time when reading the temperature (1 °C accuracy) 10 - - µs 1. Guaranteed by characterization results. 2. Guaranteed by design. Table 81. Temperature sensor calibration values Symbol Parameter Memory address TS_CAL1 TS ADC raw data acquired at temperature of 30 °C, VDDA= 3.3 V 0x1FFF 7A2C - 0x1FFF 7A2D TS_CAL2 TS ADC raw data acquired at temperature of 110 °C, VDDA= 3.3 V 0x1FFF 7A2E - 0x1FFF 7A2F |
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