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Altera_Forum
Honored Contributor
13 years agoCyclone V differential HSSI REFCLK implementation
Hello, I am trying to use a differential clock input of REFCLK pins for an HSSI interface on a Cyclone V FPGA. I have tried passing the differential clock inputs through an ALTIOBUF to get a s...
Altera_Forum
Honored Contributor
13 years agoYou don't need altiobuf, and I guess, it doesn't work for dedicated clock signals at all.
Just assign the non-inverted input pin and specify a differential IO-standard supported by the pins.