21.14.66.1 Arguments
-clock clock_name
Specifies the name of the clock for which to set the period.
-unit {value}
Specifies the unit for the clock period constraint. The default is ns. The following table shows the acceptable values for this argument:
| Value | Description |
|---|---|
|
ns |
nanoseconds |
|
ps |
picoseconds |
-period period_value
Specifies the period in the specified unit.
-dutycycle dutycycle
Specifies the duty cycle for the clock constraint.