AR# 10021: 14.x Constraints - How do I apply an OFFSET constraint with Grouped I/Os?
AR# 10021
14.x Constraints - How do I apply an OFFSET constraint with Grouped I/Os?
Description
How do I apply an OFFSET constraint with the I/Os grouped?
Solution
The OFFSET constraint is described in (Xilinx Answer 10020). The syntax is very similar to that in (Xilinx Answer 10020), except for differences in the beginning of the constraints. This style of OFFSET constraint is recommended over the individual NET offsets.
The following is an example of UCF specification:
Make the Time group:
NET "net_name1" TNM=IOGroup; NET "net_name2" TNM=IOGroup;