21.8.68 write_sdc
(Ask a Question)Description
Writes
timing constraints into an SDC file. If multiple constraint scenarios are defined,
-scenario allows the user to specify which scenario to write.
By default, the current scenario is written.
write_sdc \
-scenario scenario_name \
-pin_separator ( : | / ) \
file nameArguments
| Parameter | Type | Description |
|---|---|---|
scenario | string | Specifies the scenario to write. By default the current scenario is used. |
pin_separator | char | Specify the pin separator used in the SDC file. It can be either ':' or '/'. |
file name | string | Specify the SDC file name. |
Supported Families
| PolarFire® |
| PolarFire SoC |
| SmartFusion® 2 |
| IGLOO® 2 |
| RTG4™ |
Example
The following script merges two SDC files and writes the result into a third SDC file.
read_sdc first.sdc
read_sdc -add second.sdc
write_sdc margin.sdc