Hi, I'm using an ARRIA 10 and I tried to connect my TX/RX ports, I do not understand what I/O standard to set.

Thank you

 

We need more information.
This is like; what is de distance between somewhere and nowhere.

Picbuster

 

It's all spelled out here:

https://www.digikey.com/en/datasheets/intel-fpgasaltera/intel-fpgasaltera-a10_overview