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STM32L031C4 Scheda tecnica(PDF) 73 Page - STMicroelectronics |
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STM32L031C4 Scheda tecnica(HTML) 73 Page - STMicroelectronics |
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73 / 118 page ![]() DocID027063 Rev 4 73/118 STM32L031x4/6 Electrical characteristics 95 6.3.8 PLL characteristics The parameters given in Table 44 are derived from tests performed under ambient temperature and VDD supply voltage conditions summarized in Table 20. tSU(MSI) MSI oscillator startup time MSI range 0 30 - µs MSI range 1 20 - MSI range 2 15 - MSI range 3 10 - MSI range 4 6 - MSI range 5 5 - MSI range 6, Voltage range 1 and 2 3.5 - MSI range 6, Voltage range 3 5- 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 43. MSI oscillator characteristics (continued) Symbol Parameter Condition Typ Max Unit Table 44. PLL characteristics Symbol Parameter Value Unit Min Typ Max(1) fPLL_IN PLL input clock(2) 2- 24 MHz PLL input clock duty cycle 45 - 55 % |
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