from nmigen.fhdl import * from nmigen.back import rtlil, verilog from nmigen.genlib.cdc import * i, o = Signal(name="i"), Signal(name="o") frag = MultiReg(i, o).get_fragment(platform=None) # print(rtlil.convert(frag, ports=[i, o])) print(verilog.convert(frag, ports=[i, o]))