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STM32L151x8 bảng dữ liệu(PDF) 77 Page - STMicroelectronics |
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STM32L151x8 bảng dữ liệu(HTML) 77 Page - STMicroelectronics |
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77 / 133 page  DocID17659 Rev 12 77/133 STM32L151x6/8/B STM32L152x6/8/B Electrical characteristics 104 6.3.8 PLL characteristics The parameters given in Table 33 are derived from tests performed under ambient temperature and VDD supply voltage conditions summarized in Table 13. tSTAB(MSI)(2) MSI oscillator stabilization time MSI range 0 - 40 µs MSI range 1 - 20 MSI range 2 - 10 MSI range 3 - 4 MSI range 4 - 2.5 MSI range 5 - 2 MSI range 6, Voltage range 1 and 2 -2 MSI range 3, Voltage Range 3 -3 fOVER(MSI) MSI oscillator frequency overshoot Any range to range 5 -4 MHz Any range to range 6 -6 1. This is a deviation for an individual part, once the initial frequency has been measured. 2. Guaranteed by characterization results. Table 32. MSI oscillator characteristics (continued) Symbol Parameter Condition Typ Max Unit Table 33. PLL characteristics Symbol Parameter Value Unit Min Typ Max(1) 1. Guaranteed by characterization results. fPLL_IN PLL input clock(2) 2. Take care of using the appropriate multiplier factors so as to have PLL input clock values compatible with the range defined by fPLL_OUT. 2- 24 MHz PLL input clock duty cycle 45 - 55 % fPLL_OUT PLL output clock 2 - 32 MHz tLOCK Worst case PLL lock time PLL input = 2 MHz PLL VCO = 96 MHz - 100 130 µs Jitter Cycle-to-cycle jitter - - ± 600 ps IDDA(PLL) Current consumption on VDDA - 220 450 µA IDD(PLL) Current consumption on VDD - 120 150 |
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