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