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STR710FZ1 数据表(PDF) 45 Page - STMicroelectronics |
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STR710FZ1 数据表(HTML) 45 Page - STMicroelectronics |
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45 / 80 page ![]() STR71xFxx STR710RZ Electrical parameters Doc ID 10350 Rev 13 45/80 Figure 16. RTC crystal oscillator and resonator PLL electrical characteristics V33 = 3.0 to 3.6V, V33IOPLL = 3.0 to 3.6V, TA = -40 / 85 °C unless otherwise specified. CL CL RS DEVICE DEVICE Table 19. PLL1 characteristics Symbol Parameter Test conditions Value Unit Min Typ Max fPLLCLK1 PLL multiplier output clock 165 MHz fPLL1 PLL input clock FREF_RANGE = 0 1.5 3.0 MHz FREF_RANGE = 1 MX[1:0]=’00’ or ‘01’ 3.0 8.25 MHz FREF_RANGE = 1 MX[1:0]=’10’ or ‘11’ 3.0 6 MHz PLL input clock duty cycle 25 75 % fFREE1 PLL free running frequency FREF_RANGE = 0 MX[1:0]=’01’ or ‘11’ 125 kHz FREF_RANGE = 0 MX[1:0]=’00’ or ‘10’ 250 kHz FREF_RANGE = 1 MX[1:0]=’01’ or ‘11’ 250 kHz FREF_RANGE = 1 MX[1:0]=’00’ or ‘10’ 500 kHz tLOCK1 PLL lock time FREF_RANGE = 0 Stable Input Clock Stable V33IOPLL, V18 300 μs FREF_RANGE = 1 Stable Input Clock Stable V33IOPLL, V18 600 μs |
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