Category: Specifications
Tools: Quartus® Prime
Device: Arria® 10

Depends on the Unused Pins setting in Quartus® Prime.

Compile in Quartus® Prime with unused pins and check the compilation report.
(Check Compilation Report ⇒ Fitter ⇒ Resource Section ⇒ All Package Pins.)

For unused pin settings, please refer to the following document.

・[Quartus® Getting Started Guide - How to set device options]
https://www.macnica.co.jp/business/semiconductor/articles/intel/95569/

See here for the handling of unused pins in Arria® 10 SoC.

・[Intel® Arria® 10 GX, GT, and SX Device Family Pin Connection Guidelines]
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/dp/arria-10/pcg-01017.pdf
(See HPS Peripheral Pins.)

Most of the pins are written as below and set the input with a weak pull-up.
If unused, program it in the Quartus Prime software as an input with a weak pull-up.