5.27.4 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 5-54. 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

X

Set input delay

X

X

Set load on output port

X

X

X

X

X

Table 5-55. Constraint Entry by Tool and File Format

Constraint

SDC

GCF

PDC

PIN

DCF

ChipPlanner

I/O Attribute Editor

PinEditor

SmartTime/ Timer

Compile Options

Timing

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

Table 5-56. Constraint Entry by Tool and File Format

Constraint

SDC

GCF

PDC

PIN

DCF

ChipPlanner

I/O Attribute Editor

PinEditor

SmartTime/ Timer

Compile Options

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

Table 5-57. Constraint Entry by Tool and File Format

Constraint

SDC

GCF

PDC

PIN

DCF

ChipPlanner

I/O Attribute Editor

PinEditor

SmartTime/ Timer

Compile Options

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

Table 5-58. Constraint Entry by Tool and File Format

Constraint

SDC

GCF

PDC

PIN

DCF

ChipPlanner

I/O Attribute Editor

PinEditor

SmartTime/ Timer

Compile Options

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

Table 5-59. Constraint Entry by Tool and File Format

Constraint

SDC

GCF

PDC

PIN

DCF

ChipPlanner

I/O Attribute Editor

PinEditor

SmartTime/ Timer

Compile Options

Timing

Restore buffer tree

X

X

Set preserve

X