Revision History - 2021.2 English

Revision History - 2021.2 English - UG949

UltraFast Design Methodology Guide for Xilinx FPGAs and SoCs

Document ID

UG949

Release Date

2021-11-19

Version

2021.2 English

The following table shows the revision history for this document.

Section	Revision Summary
11/19/2021 Version 2021.2
Reduce the Number of Partition Pins	Added PPLOC examples and graphics.
Make Pblocks as Rectangular as Possible to Avoid Unroutability at the Edges	Updated examples.
Incremental Synthesis	Added information on different modes.
ML Strategies	Added non-project mode description and ML strategy suggestions.
Connecting a Net to a Free External Pin Using Post-Route ECO	Updated section.
08/18/2021 Version 2021.1
Power Distribution System	Added XPE landing page and changed XADC to Sysmon.
Power Rail Consolidation Impacting Power	Added tip about power rail constraints.
Clocking Recommendations for Platforms and Dynamic Function eXchange	Added new section.
Design Constraints	Added note about traditional and platform-based design flows.
Constraining Input and Output Ports	Added note about I/O logic.
Defining Power and Thermal Constraints	Added new section.
Floorplanning Constraints for Dynamic Function eXchange	Added new section.
Design Closure	Updated design closure description.
Timing Closure	Added timing result note.
Checking for Valid Constraints	Added baselining design to note.
Checking for Positive Timing Slacks	Updated timing score description.
Checking That Your Design is Properly Constrained	Added timing constraint note.
Fixing Issues Flagged by report_methodology	Added methodology violation note and link to methodology blog.
Methodology DRCs with Impact on Timing Closure	Added link to Vivado Design Suite User Guide: Design Analysis and Closure Techniques (UG906).
Assessing the Maximum Frequency of the Design	Updated WNS description.
Clock Skew and Uncertainty	Added clock uncertainty description and related links.
Using Intelligent Design Runs	Added new section.
Power Closure	Added power optimization capabilities description.
Power Timing Slack	Added new section.