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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32L431 датащи(PDF) 119 Page - STMicroelectronics |
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STM32L431 датащи(HTML) 119 Page - STMicroelectronics |
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119 / 200 page  DocID028800 Rev 1 119/200 STM32L431xx Electrical characteristics 168 Figure 26. HSI48 frequency versus temperature Low-speed internal (LSI) RC oscillator 6.3.9 PLL characteristics The parameters given in Table 51 are derived from tests performed under temperature and VDD supply voltage conditions summarized in Table 21: General operating conditions. Table 50. LSI oscillator characteristics(1) Symbol Parameter Conditions Min Typ Max Unit fLSI LSI Frequency VDD = 3.0 V, TA = 30 °C 31.04 - 32.96 kHz VDD = 1.62 to 3.6 V, TA = -40 to 125 °C 29.5 - 34 tSU(LSI)(2) LSI oscillator start- up time -- 80 130 μs tSTAB(LSI)(2) LSI oscillator stabilization time 5% of final frequency - 125 180 μs IDD(LSI)(2) LSI oscillator power consumption -- 110 180 nA 1. Guaranteed by characterization results. 2. Guaranteed by design. Table 51. PLL, PLLSAI1 characteristics(1) Symbol Parameter Conditions Min Typ Max Unit fPLL_IN PLL input clock(2) -4 - 16 MHz PLL input clock duty cycle - 45 - 55 % |
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