def _make_association(self, clk=None, rst=None) -> None:
        """
        Associate this object with specified clk/rst
        """
        if clk is not None:
            assert self._associatedClk is None
            self._associatedClk = clk

        if rst is not None:
            assert self._associatedRst is None
            self._associatedRst = rst
Associate this object with specified clk/rst