Quartus® Prime Pro Edition User Guide: Design Constraints

ID 683143
Date 4/01/2024
Public
Document Table of Contents

3.3. Importing and Exporting I/O Pin Assignments

The Quartus® Prime software supports transfer of I/O pin assignments across projects, or for analysis in third-party PCB tools. You can import or export I/O pin assignments in the following ways:

Table 31.  Importing and Exporting I/O Pin Assignments
 

Import Assignments

Export Assignments

Scenario

  • From your PCB design tool or spreadsheet into Pin Planner during early pin planning or after optimization in PCB tool
  • From another Quartus® Prime project with common constraints
  • From Quartus® Prime project for optimization in a PCB design tool
  • From Quartus® Prime project for spreadsheet analysis or use in scripting assignments
  • From Quartus® Prime project for import into another Quartus® Prime project with similar constraints

Command

Assignments > Import Assignments

Assignments > Export Assignments

File formats

.qsf, .csv, .txt, .sdc

.pin, .csv, .tcl, .qsf

Notes

N/A

Exported .csv files retain column and row order and format. Do not modify the row of column headings if importing the .csv file