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Altera_Forum
Honored Contributor
Honored ContributorDQ and DQS pins
Hello everybody, I would like to know which are the functions of these pins and why are some dedicated pins inside the banks of the fpga. In a hw design, is it necessary to attach the ssra...
Altera_ForumHonored Contributor
Honored ContributorHi,
I think the exact answer depends on the device family you use. But the short recommendation is: Use the "predefined" pins, otherwise Quartus might give you errors when using I/Os for DDR (even when there is no real physical reason inside the FPGA that prevents the pins from using them as DDR-I/O). Regards, Thomas
