Embedded Design Handbook

ID 683689
Date 8/28/2023
Public
Document Table of Contents

3.6.5.6.5. Set Timing

To ensure the design meets timing, perform the following steps:

  1. On the File menu, click Open.
  2. In the Files of type list, select Script Files (*.tcl, *.sdc, *.qip).
  3. Browse to locate <design files directory>/hw_dev_tutorial.sdc and click Open. The file opens in the text editor.
  4. Locate the following create_clock command:create_clock -name sopc_clk -period 20 [get_ports PLD_CLOCKINPUT]
  5. Change the period setting from 20 to the clock period (1/frequency) in nanoseconds of the oscillator driving the clock pin.
  6. On the File menu, click Save.
  7. On the Assignments menu, click Settings.
    The Settings dialog box appears.
  8. Under Category, click TimeQuest Timing Analyzer.
  9. Next to File name, click the browse (...) button.
  10. Browse to locate <design files directory>/hw_dev_tutorial.sdc and click Open to select the file.
  11. Click Add to include hw_dev_tutorial.sdc in the project.
  12. Turn on Enable multicorner timing analysis during compilation.
  13. Click OK.