Is there any expert who has made a PCB for EP3C40F484? Can you give me a reference to see how to arrange the power supply and fan-out? Thanks!
guolh@163.com...
As shown in the picture. . Can CD4060 generate 1HZ signal directly? If so, what should be the value of R1, R2, C1? How accurate can it be? Please give me some advice! :) I'd be grateful!...
Document description: Based on the characteristics of direct digital frequency synthesis (DDS) and integrated phase-locked loop (PLL) technology, a new DDS-excited PLL system frequency synthesis clock...