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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F302R8 датащи(PDF) 81 Page - STMicroelectronics |
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STM32F302R8 датащи(HTML) 81 Page - STMicroelectronics |
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81 / 138 page  DocID025147 Rev 6 81/138 STM32F302x6 STM32F302x8 Electrical characteristics 117 Low-speed internal (LSI) RC oscillator 6.3.9 PLL characteristics The parameters given in Table 45 are derived from tests performed under ambient temperature and supply voltage conditions summarized in Table 22. Table 44. 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. LSI oscillator startup time - - 85 µs IDD(LSI)(2) LSI oscillator power consumption - 0.75 1.2 µA Table 45. 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. ps |
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