Constraining the Design Correctly - 2022.1 English

UltraFast Design Methodology Guide for Xilinx FPGAs and SoCs (UG949)

Document ID
UG949
Release Date
2022-06-08
Version
2022.1 English

XPM CDCs provide their own set_max_delay -datapath_only constraints. XPM CDCs are not compatible with the set_clock_groups constraint, which has a higher precedence and will overwrite the constraints in the XPM.