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IMXRT1160CEC データシート(PDF) 39 Page - NXP Semiconductors |
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IMXRT1160CEC データシート(HTML) 39 Page - NXP Semiconductors |
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39 / 124 page  Electrical characteristics i.MX RT1160 Crossover Processors Data Sheet for Consumer Products, Rev. 0, 04/2021 NXP Semiconductors 39 4.2.5.4 480 MHz PLL 4.2.5.5 Arm PLL 4.2.6 On-chip oscillators The system oscillator (SYS OSC) is a crystal oscillator. The SYS OSC, in conjunction with an external crystal or resonator, generates a reference clock for this chip. It also provides the option for an external input clock to XTALI signal directly. Table 25. 480 MHz PLL’s electrical parameters Parameter Min Typ Max Unit Clock output range — — 480 MHz Reference clock — 24 — MHz Lock time — — 383 reference cycles Period jitter (p2p) — 40 — ps PFD period jitter (p2p) — 125 — ps Duty cycle 45 — 55 % Table 26. Arm PLL’s electrical parameters Parameter Min Typ Max Unit Clock output range 648 — 1296 MHz Reference clock — 24 — MHz Lock time — — 2250 reference cycles Period jitter (p2p) — 15 — ps Duty cycle 45 — 55 % Table 27. System oscillator frequency specifications Symbol Parameter Conditions Min Typ Max Unit IVDDA (Low power mode) Analog supply current 24 MHz — 0.5 — mA IVDDA (High gain mode) Analog supply current 24 MHz — 1.3 — mA RF Feedback resistor Low-power mode No need High-gain mode — 1 — M RS Series resistor1 —— 0 — k CXCY XTALI/XTALO load capacitance See crystal or resonator manufacture’s recommendation Cpara Parasitically capacitance of XTALI and XTALO — — 1.5 2.0 pF |
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