serv/data/cyc1000.sdc
2020-02-29 15:29:07 +01:00

8 lines
286 B
Tcl

# Main system clock (12 Mhz)
create_clock -name "clk" -period 83.333ns [get_ports {i_clk}]
# Automatically constrain PLL and other generated clocks
derive_pll_clocks -create_base_clocks
# Automatically calculate clock uncertainty to jitter and other effects.
derive_clock_uncertainty