13.26.4 Constraint Entry

Use the Constraint Entry table to see which tools and file formats you can use to enter constraints for your device family.

Click the name of a constraint, a constraint entry tool, file format type, editor, or checkmark in the table for more information about that item.

Table 13-19. Constraint Entry by Tool and File Format
Constraint	SDC	GCF	PDC	PIN	DCF	ChipPlanner	I/O Attribute Editor	PinEditor	SmartTime/ Timer	Compile Options
Timing
Create a clock	X				X				X
Create a generated clock	X								X
Remove clock uncertainty	X								X
Set clock latency	X								X
Set clock uncertainty	X								X
Set disable timing	X								X
Set false path	X				X
Set input delay	X								X
Set load on output port	X				X		X	X	X
Set maximum delay	X				X				X
Set minimum delay	X								X
Set multicycle path	X								X
Set output delay	X								X
Physical Placement
-Clocks
Assign Net to Global Clock		X	X
Assign Net to Local Clock		X	X			X
Assign Net to Quadrant Clock			X			X
-Regions
Assign Macro to Region			X			X
Timing
Assign Net to Region		X	X			X
Create Region		X	X			X
Delete Regions			X			X
Move region			X			X
Unassign macro(s) driven by net			X			X
Unassign macro from region			X			X
-I/Os
Assign I/O to pin		X	X	X		X	X	X
Assign I/O Macro to Location		X	X			X
Configure I/O Bank			X			X		X
Reset attributes on I/O to			X			X	X
Timing
default settings
Reset I/O bank to default settings			X			X	X
Reserve pins			X				X	X
Unreserve pins			X				X	X
Unassign I/O macro from location			X			X
-Blocks
Move Block			X
Set port block			X			X
Set Block Options			X							X
-Nets
Assign Net to Global Clock		X	X
Assign Net to Local		X	X			X
Timing
Clock
Assign Net to Quadrant Clock			X			X
Assign Net to Region		X	X			X
Reset net's criticality to default level			X
Set Net's Criticality		X	X
Unassign macro(s) driven by net			X			X
Netlist Optimization
Delete buffer tree		X	X							X
Demote Global Net to Regular Net		X	X							X
Promote regular net to global net		X	X							X
Restore buffer tree		X	X
Set preserve			X