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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LQFP144 датащи(PDF) 91 Page - STMicroelectronics |
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LQFP144 датащи(HTML) 91 Page - STMicroelectronics |
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91 / 133 page  DocID15131 Rev 9 91/133 SPC560B54x/6x Electrical characteristics 132 4.13 Slow external crystal oscillator (32 kHz) electrical characteristics The device provides a low power oscillator/resonator driver. Figure 13. Crystal oscillator and resonator connection scheme IFXOSC (2) C C T Fast external crystal oscillator consumption —— 2 3 mA tFXOSCSU C C T Fast external crystal oscillator start-up time fOSC = 4 MHz, OSCILLATOR_MARGIN = 0 —— 6 ms fOSC = 16 MHz, OSCILLATOR_MARGIN = 1 —— 1.8 VIH S R P Input high level CMOS (Schmitt Trigger) Oscillator bypass mode 0.65VDD — VDD + 0. 4 V VIL S R P Input low level CMOS (Schmitt Trigger) Oscillator bypass mode 0.4 — 0.35VDD V 1. VDD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified. 2. Stated values take into account only analog module consumption but not the digital contributor (clock tree and enabled peripherals). Table 38. Fast external crystal oscillator (4 to 16 MHz) electrical characteristics (continued) Symbol C Parameter Conditions(1) Value Unit Min Typ Max OSC32K_XTAL OSC32K_EXTAL DEVICE C2 C1 OSC32K_XTAL OSC32K_EXTAL RP DEVICE Note: OSC32_XTAL/OSC32_EXTAL must not be directly used to drive external circuits |
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