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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F101X6 датащи(PDF) 40 Page - STMicroelectronics |
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STM32F101X6 датащи(HTML) 40 Page - STMicroelectronics |
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40 / 74 page  Electrical characteristics STM32F101xx 40/74 Low-speed user external clock The characteristics given in Table 20 result from tests performed using an low-speed external clock source, and under ambient temperature and supply voltage conditions summarized in Table 7. Figure 17. High-speed external clock source AC timing diagram Table 20. Low-speed user external clock characteristics Symbol Parameter Conditions Min Typ Max Unit fLSE_ext User external clock source frequency(1) 1. Value based on design simulation and/or technology characteristics. It is not tested in production. 32.768 1000 kHz VLSEH OSC32_IN input pin high level voltage 0.7VDD VDD V VLSEL OSC32_IN input pin low level voltage VSS 0.3VDD tw(LSE) tw(LSE) OSC32_IN high or low time(1) 450 ns tr(LSE) tf(LSE) OSC32_IN rise or fall time(1) 5 IL OSC32_IN Input leakage current VSS ≤ VIN ≤ VDD ±1 µA ai14127 OSC _IN EXTER NAL STM32F101 CLOCK SOURC E VHSEH tf(HSE) tW(HSE) IL 90% 10% THSE t tr(HSE) tW(HSE) fHSE_ext VHSEL |
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