Altera Quartus II Scripting - Manual (Page 621)

Chapter 3: Tcl Packages & Commands 3–491
timing_assignment
© July 2013 Altera Corporation Quartus II Scripting Reference Manual
Example
## Set early clock latency to Clk0
set_clock_latency 2ns -to Clk0 -early
## Set early and late clock latency to Clk*
set_clock_latency 2ns -to Clk*
## Use assignment_group to set clock latency.
assignment_group "clock_group" -add_member "Clk*" -add_exception "Clk0"
set_clock_latency 2ns -to "clock_group" -early
## Commit the assignments to .qsf file.
export_assignments