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10 years agoCyclone V GX FPGA PLL not working
I have used the Cyclone V GX C7 device(5CGXFC7C7F23C8) in my design. I do not use the Gbit transceiver in my design, so I have not get the relevant power pins like VCCE_GXBL VCCL_GXBL and VCCH_GXBL c...
Altera_Forum
Honored Contributor
10 years agoYou may refer to PCG-01014-2.1 Cyclone® V Device Family Pin Connection Guidelines. According to the description, "VCCH_GXBL and VCCA_FPLL must always be powered up for the PLL operation."
https://www.altera.com/literature/dp/cyclone-v/pcg-01014.pdf