Files
tt-support-tools/ihp/constraint.sdc
T

14 lines
433 B
Tcl

set clk_name core_clock
set clk_port_name clk
set clk_period 20
set clk_io_pct 0.2
set clk_port [get_ports $clk_port_name]
create_clock -name $clk_name -period $clk_period $clk_port
set non_clock_inputs [lsearch -inline -all -not -exact [all_inputs] $clk_port]
set_input_delay [expr $clk_period * $clk_io_pct] -clock $clk_name $non_clock_inputs
set_output_delay [expr $clk_period * $clk_io_pct] -clock $clk_name [all_outputs]