Due to a problem in the Intel® Quartus® Prime Pro Edition software version 20.1 and earlier, the LVCMOS 3.3V or LVTTL 3.3V I/O Standards are not available in Intel® Quartus® Prime Pin Planner or Assignment Editor for Intel® Stratix® 10 FPGA variants 1SG040F35 and 1SX040F35.
Device Family: Intel® Stratix® 10
Intel Software: Quartus Prime Pro
Last Modified: October 21, 2020
Version Found: v20.1
Version Fixed: v20.2
Bug ID: 14010875584