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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SCIMX6DP4AVT2AB датащи(PDF) 37 Page - NXP Semiconductors |
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SCIMX6DP4AVT2AB датащи(HTML) 37 Page - NXP Semiconductors |
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37 / 168 page  Electrical Characteristics i.MX 6DualPlus/6QuadPlus Applications Processors Consumer Products, Rev. 3, 11/2018 NXP Semiconductors 37 4.4.4 480 MHz PLL 4.4.5 MLB PLL The MediaLB PLL is necessary in the MediaLB 6-Pin implementation to phase align the internal and external clock edges, effectively tuning out the delay of the differential clock receiver and is also responsible for generating the higher speed internal clock, when the internal-to-external clock ratio is not 1:1. 4.4.6 Arm PLL 4.5 On-Chip Oscillators 4.5.1 OSC24M This block implements an amplifier that when combined with a suitable quartz crystal and external load capacitors implements an oscillator. The oscillator is powered from NVCC_PLL_OUT. The system crystal oscillator consists of a Pierce-type structure running off the digital supply. A straight forward biased-inverter implementation is used. 4.5.2 OSC32K This block implements an amplifier that when combined with a suitable quartz crystal and external load capacitors implements a low power oscillator. It also implements a power mux such that it can be powered Table 17. 480 MHz PLL Electrical Parameters Parameter Value Clock output range 480 MHz PLL output Reference clock 24 MHz Lock time <383 reference cycles Table 18. MLB PLL Electrical Parameters Parameter Value Lock time <1.5 ms Table 19. Arm PLL Electrical Parameters Parameter Value Clock output range 650 MHz~1.3 GHz Reference clock 24 MHz Lock time <2250 reference cycles |
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