Answers Database
M1.5: NET PERIOD constraints are incorrectly interpreted by the Constraint Editor
Record #4591
Product Family: Software
Product Line: M1 Implementation
Product Part: Constraints Editor
Problem Title:
M1.5: NET PERIOD constraints are incorrectly interpreted by the Constraint Editor
Problem Description:
Urgency: Standard
General Description: If a .ngd or .ucf file contain a period constraint written
using the following syntax they are not picked up by the Constraint Editor.
NET CLK PERIOD = 30 ns;
Solution 1:
Use the following syntax to resolve this issue:
NET "CLK" TNM_NET = "CLK"
TIMESPEC "CLK" = PERIOD "CLK" 30 ns;
This syntax will be picked up by the Constraint Editor.
End of Record #4591 - Last Modified: 05/26/99 13:57 | 
