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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F372CC датащи(PDF) 76 Page - STMicroelectronics |
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STM32F372CC датащи(HTML) 76 Page - STMicroelectronics |
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76 / 128 page  Electrical characteristics STM32F37x 76/128 Doc ID 022691 Rev 3 Figure 16. HSI oscillator accuracy characterization results Low-speed internal (LSI) RC oscillator 6.3.9 PLL characteristics The parameters given in Table 44 are derived from tests performed under ambient temperature and supply voltage conditions summarized in Table 22. Table 43. LSI oscillator characteristics(1) 1. VDDA = 3.3 V, TA = –40 to 105 °C unless otherwise specified. Symbol Parameter Min Typ Max Unit fLSI Frequency 30 40 60 kHz tsu(LSI) (2) 2. Guaranteed by design, not tested in production. LSI oscillator startup time 85 µs IDD(LSI) (2) LSI oscillator power consumption 0.75 1.2 µA Table 44. PLL characteristics Symbol Parameter Value Unit Min Typ Max fPLL_IN PLL input clock(1) 1(2) 24(2) MHz PLL input clock duty cycle 40(2) 60(2) % fPLL_OUT PLL multiplier output clock 16(2) 72 MHz tLOCK PLL lock time 200(2) µs Jitter Cycle-to-cycle jitter 300(2) ps |
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