According to UG903, Vivado applies IP constraints after applying user constraints.
If you use the native IPs that come with a constraint file, the IP XDC files are loaded after your files, in the same sequence as the IPs are listed in the IP Sources window, unless the file PROCESSING_ORDER properties are set to LATE.
This has the effect of giving the IP higher priority than the user constraints.
Is there a way to overwrite the precedence?
How does PROCESSING_ORDER property affect the constraints processing sequence?
Remember, the last constraint applied takes precedence.
For more information about the PROCESSING_ORDER property, please refer to UG903.
AR# 52947 | |
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Date | 09/22/2014 |
Status | Active |
Type | General Article |
Tools |