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STM32F479AI 数据表(PDF) 119 Page - STMicroelectronics |
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STM32F479AI 数据表(HTML) 119 Page - STMicroelectronics |
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119 / 217 page  DocID028010 Rev 3 119/217 STM32F479xx Electrical characteristics 190 Low-speed internal (LSI) RC oscillator Figure 34. ACCLSI versus temperature 5.3.11 PLL characteristics The parameters given in Table 41 and Table 42 are derived from tests performed under temperature and VDD supply voltage conditions summarized in Table 17. Table 40. LSI oscillator characteristics (1) 1. VDD = 3 V, TA = –40 to 105 °C unless otherwise specified. Symbol Parameter Min Typ Max Unit fLSI(2) 2. Based on test during characterization. Frequency 17 32 47 kHz tsu(LSI)(3) 3. Guaranteed by design. Startup time - 15 40 µs IDD(LSI)(3) Power consumption - 0.4 0.6 µA Table 41. 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 fPLL48_OUT 48 MHz PLL multiplier output clock - - 48 75 fVCO_OUT PLL VCO output - 192 - 432 |
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