3.2.1. Generating Pin Assignment Files
The Intel® Quartus® Prime-generated .pin contains the I/O pin name, number, location, direction, and I/O standard for all used and unused pins in the design. Click Assignments > Pin Planner to modify I/O pin assignments. You cannot import pin assignment changes from a Mentor Graphics* .pin into the Intel® Quartus® Prime software.
The .fx is an input or output of either the Intel® Quartus® Prime or I/O Designer software. You can generate an .fx in the Intel® Quartus® Prime software for symbol generation in the Mentor Graphics* I/O Designer software. an Intel® Quartus® Prime .fx contains the pin name, number, location, direction, I/O standard, drive strength, termination, slew rate, IOB delay, and differential pins. An I/O Designer .fx additionally includes information about unused pins and pin set groups.
The I/O Designer software can also read from or update an Intel® Quartus® Prime Settings File (.qsf). You can use the .qsf in the same way as use of the .fx, but pin swap group information does not transfer between I/O Designer and the Intel® Quartus® Prime software. Use the .fx rather than the .qsf for transferring I/O assignment information.
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