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1.1.1. Timing Path and Clock Analysis
1.1.2. Clock Setup Analysis
1.1.3. Clock Hold Analysis
1.1.4. Recovery and Removal Analysis
1.1.5. Multicycle Path Analysis
1.1.6. Metastability Analysis
1.1.7. Timing Pessimism
1.1.8. Clock-As-Data Analysis
1.1.9. Multicorner Timing Analysis
1.1.10. Time Borrowing
2.1. Using Timing Constraints throughout the Design Flow
2.2. Timing Analysis Flow
2.3. Applying Timing Constraints
2.4. Timing Constraint Descriptions
2.5. Timing Report Descriptions
2.6. Scripting Timing Analysis
2.7. Using the Quartus® Prime Timing Analyzer Document Revision History
2.8. Quartus® Prime Pro Edition User Guide: Timing Analyzer Archive
2.4.4.5.1. Default Multicycle Analysis
2.4.4.5.2. End Multicycle Setup = 2 and End Multicycle Hold = 0
2.4.4.5.3. End Multicycle Setup = 2 and End Multicycle Hold = 1
2.4.4.5.4. Same Frequency Clocks with Destination Clock Offset
2.4.4.5.5. Destination Clock Frequency is a Multiple of the Source Clock Frequency
2.4.4.5.6. Destination Clock Frequency is a Multiple of the Source Clock Frequency with an Offset
2.4.4.5.7. Source Clock Frequency is a Multiple of the Destination Clock Frequency
2.4.4.5.8. Source Clock Frequency is a Multiple of the Destination Clock Frequency with an Offset
2.5.1. Report Fmax Summary
2.5.2. Report Timing
2.5.3. Report Timing By Source Files
2.5.4. Report Data Delay
2.5.5. Report Net Delay
2.5.6. Report Clocks and Clock Network
2.5.7. Report Clock Transfers
2.5.8. Report Metastability
2.5.9. Report CDC Viewer
2.5.10. Report Asynchronous CDC
2.5.11. Report Logic Depth
2.5.12. Report Neighbor Paths
2.5.13. Report Register Spread
2.5.14. Report Route Net of Interest
2.5.15. Report Retiming Restrictions
2.5.16. Report Register Statistics
2.5.17. Report Pipelining Information
2.5.18. Report Time Borrowing Data
2.5.19. Report Exceptions and Exceptions Reachability
2.5.20. Report Bottlenecks
2.5.21. Check Timing
2.5.22. Report SDC
3.1.1. CDC Timing Overview
3.1.2. Identifying CDC Timing Issues Using Design Assistant
3.1.3. Identifying CDC Timing Issues Using Timing Reports
3.1.4. Debug CDC Example 1—Incorrect SDC Definition
3.1.5. Debug CDC Example 2—Additional Logic in the Crossing
3.1.6. Debug CDC Example 3—CDC Depending on Two Simultaneous Clock Domains
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2.2.4.2. Launching Design Assistant from Timing Analyzer
You can run Design Assistant directly from the Timing Analyzer to assist when optimizing timing paths and other timing conditions. When you launch Design Assistant from the Timing Analyzer, Design Assistant only checks rules that relate to timing analysis.
Follow these steps to run the Design Assistant from the Timing Analyzer:
- Compile the design through at least the Compiler's Plan stage.
- Open the Timing Analyzer for the Compiler stage from the Compilation Dashboard.
- In the Timing Analyzer, click Reports > Design Assistant > Report DRC. The Report DRC (design rule check) dialog box opens.
- Under Rules, disable any rules that are not important to your analysis by removing the check mark.
- Consider whether to adjust rule parameter values in the Parameters field.
Figure 49. Report DRC (Design Rule Check) Dialog Box
- Confirm the Report panel name and optionally specify an output File name.
- Click Run. The Results reports generate and appear in the Report pane, as well as the main Compilation Report.
Figure 50. Design Assistant Reports in Timing Analyzer Report Pane