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STM32F427AI 数据表(PDF) 124 Page - STMicroelectronics |
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STM32F427AI 数据表(HTML) 124 Page - STMicroelectronics |
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124 / 240 page  Electrical characteristics STM32F427xx STM32F429xx 124/240 DS9405 Rev 12 Figure 32. ACCLSI versus temperature 6.3.11 PLL characteristics The parameters given in Table 43 and Table 44 are derived from tests performed under temperature and VDD supply voltage conditions summarized in Table 17. MS19013V1 -40 -30 -20 -10 0 10 20 30 40 50 -45 -35 -25 -15 -5 5 152535455565758595 105 Temperat ure (°C) max avg min Table 43. Main PLL characteristics Symbol Parameter Conditions Min Typ Max Unit fPLL_IN PLL input clock(1) -0.95(2) 12.10 MHz fPLL_OUT PLL multiplier output clock - 24 - 180 MHz fPLL48_OUT 48 MHz PLL multiplier output clock - - 48 75 MHz fVCO_OUT PLL VCO output - 100 - 432 MHz tLOCK PLL lock time VCO freq = 100 MHz 75 - 200 µs VCO freq = 432 MHz 100 - 300 |
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