#********************* # Create Clock #********************* set jtag_t_period 83 create_clock -name {altera_reserved_tck} -period 83ns [get_ports {altera_reserved_tck}] set_clock_groups -asynchronous -group {altera_reserved_tck} #********************* # Create Generated Clock #********************* derive_pll_clocks #********************* # Set Clock Uncertainty #********************* derive_clock_uncertainty