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STM32F101RBT6 bảng dữ liệu(PDF) 49 Page - STMicroelectronics |
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STM32F101RBT6 bảng dữ liệu(HTML) 49 Page - STMicroelectronics |
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49 / 101 page ![]() DocID13586 Rev 17 49/101 STM32F101x8, STM32F101xB Electrical characteristics 100 Figure 22. Typical application with a 32.768 kHz crystal 5.3.7 Internal clock source characteristics The parameters given in Table 23 are derived from tests performed under the ambient temperature and VDD supply voltage conditions summarized in Table 8. High-speed internal (HSI) RC oscillator ai14129b OSC32_OU T OSC32_IN fLSE CL1 RF STM32F10xxx 32.768 KH z resonator Resonator with integrated capacitors Bias controlled gain CL2 Table 23. HSI oscillator characteristics(1) 1. VDD = 3.3 V, TA = –40 to 105 °C unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit fHSI Frequency - - 8 - MHz DuCy(HSI) Duty cycle - 45 - 55 % ACCHSI Accuracy of the HSI oscillator User-trimmed with the RCC_CR register(2) 2. Refer to application note AN2868 “STM32F10xxx internal RC oscillator (HSI) calibration” available from the ST website www.st.com. -- 1(3) 3. Guaranteed by design, not tested in production. % Factory- calibrated (4) (5) 4. Based on characterization, not tested in production. 5. The actual frequency of HSI oscillator may be impacted by a reflow, but does not drift out of the specified range. TA = –40 to 105 °C –2 - 2.5 % TA = –10 to 85 °C –1.5 - 2.2 % TA = 0 to 70 °C –1.3 - 2 % TA = 25 °C –1.1 - 1.8 % tsu(HSI)(4) HSI oscillator startup time -1 - 2 µs IDD(HSI)(4) HSI oscillator power consumption - - 80 100 µA |
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