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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F303VE датащи(PDF) 97 Page - STMicroelectronics |
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STM32F303VE датащи(HTML) 97 Page - STMicroelectronics |
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97 / 184 page  DocID026415 Rev 4 97/184 STM32F303xD STM32F303xE Electrical characteristics 161 Low-speed internal (LSI) RC oscillator 6.3.9 PLL characteristics The parameters given in Table 41 are derived from tests performed under ambient temperature and supply voltage conditions summarized in Table 19. Table 40. 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 50 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 41. PLL characteristics Symbol Parameter Value Unit Min Typ Max fPLL_IN PLL input clock(1) 1. Take care of using the appropriate multiplier factors so as to have PLL input clock values compatible with the range defined by fPLL_OUT. 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) 2. Guaranteed by design, not tested in production. ps |
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