create_clock (GCF)

Defines clocks for the design. Multiple clocks can be specified for a given design.

 

create_clock -period <period_value> {netname|portname};

Arguments

-period <period_value>

Specifies the clock period in nanoseconds.

 

{netname|portname}

Specifies either the name of the net through which the clocks gets propagated or the name of the external port when defining an external clock.

Supported Families

 ProASIC

Exceptions

Examples

The following statement creates a clock on external port clk with a period of 25.0 nanoseconds.

 

create_clock -period 25.0 clk;

See Also

Constraint support by family

Constraint entry table

GCF syntax conventions

Create clock