remove_clock_groups (::quartus::sdc)
The following table displays information for the remove_clock_groups Tcl command:
| Tcl Package and Version |
Belongs to ::quartus::sdc 1.5 |
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| Syntax | remove_clock_groups [-h | -help] [-long_help] -all | |||
| Arguments | -h | -help | Short help | ||
| -long_help | Long help with examples and possible return values | |||
| -all | Specify remove all clock group settings | |||
| Description |
Remove all clock group assignments. This command removes any clock groups that have been previously set. There is no way to remove specific groups. |
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| Example Usage |
project_open top
create_timing_netlist
create_clock -period 10.000 -name clkA [get_ports sysclk[0]]
create_clock -period 10.000 -name clkB [get_ports sysclk[1]]
# Set clkA and clkB to be mutually exclusive clocks.
set_clock_groups -exclusive -group {clkA} -group {clkB}
set_clock_groups -exclusive -group {clkC} -group {clkD}
# Remove clock groups A, B, C, and D. Result is that there
# are no longer any mutually exclusive clocks.
remove_clock_groups -all
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| Return Value | Code Name | Code | String Return | |
| TCL_OK | 0 | INFO: Operation successful | ||