Forum Discussion
KennyT_altera
Super Contributor
6 years agoYou will also need to take a look at:
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/arria-10/a10_handbook.pdf
page 183 although this is A10, It should be apply to all device.
Basically, it mention that you need a different IO standards if your frequencies running too high.