Intel® Quartus® Prime Standard Edition User Guide: Third-party Synthesis

ID 683796
Date 9/24/2018
Document Table of Contents Preventing the Precision Synthesis Software from Adding I/O Pads

If you are compiling a subdesign as a separate project, I/O pins cannot be primary inputs or outputs of the device; therefore, the I/O pins should not have an I/O pad associated with them.

To prevent the Precision Synthesis software from adding I/O pads:

  • You can use the Precision Synthesis GUI or add the following command to the project file:

setup_design -addio=false