Constraint Files - Base Constraint Elements

Frozen Content

The following sections detail the base constraint elements (non-FPGA-specific) that can be included in a constraint group.

Record

Summary  – Defines purpose of entry in the constraint file.

Values       – FileHeader, Constraint

TargetKind

Summary  – Defines what this record in the constraint file applies to.

Values       – Part, PCB, Port, Net

TargetId

Summary  – Name of object being targeted by the constraint record.

Values       – Name of port on top sheet of schematic, device part number, name of PCB

Id

Summary  – FileHeader constraint, specifies the type and version of constraint file.

Values       – varied, eg DXP Constraints v1.0

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