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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F303C6 датащи(PDF) 69 Page - STMicroelectronics |
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STM32F303C6 датащи(HTML) 69 Page - STMicroelectronics |
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69 / 115 page  DocID025083 Rev 5 69/115 STM32F303x6/x8 Electrical characteristics 100 Figure 16. Typical application with a 32.768 kHz crystal Note: An external resistor is not required between OSC32_IN and OSC32_OUT and it is forbidden to add one. 6.3.8 Internal clock source characteristics The parameters given in Table 42 are derived from tests performed under ambient temperature and supply voltage conditions summarized in Table 20. High-speed internal (HSI) RC oscillator Table 42. HSI oscillator characteristics(1) 1. VDDA = 3.3 V, TA = –40 to 105 °C unless otherwise specified. Symbol Parameter Conditions Min. Typ. Max. Unit fHSI Frequency - - 8 - MHz TRIM HSI user trimming step - - - 1(2) 2. Guaranteed by design, not tested in production. % DuCy(HSI) Duty cycle - 45(2) -55(2) % ACCHSI Accuracy of the HSI oscillator (factory calibrated) TA = –40 to 105 °C –2.8(3) 3. Data based on characterization results, not tested in production. -3.8(3) % TA = –10 to 85 °C –1.9(3) -2.3(3) TA = 0 to 85 °C -1.9(3) -2(3) TA = 0 to 70 °C -1.3(3) -2(3) TA = 0 to 55 °C –1(3) -2(3) TA = 25 °C(4) 4. Factory calibrated, parts not soldered –1 - 1 tsu(HSI) HSI oscillator startup time -1(2) -2(2) µs IDDA(HSI) HSI oscillator power consumption - - 80 100(2) µA |
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