stp1.stp

FPGA实现DDS

            <net is_signal_inverted="no" name="FCW[4]"/>
            <net is_signal_inverted="no" name="FCW[5]"/>
            <net is_signal_inverted="no" name="FCW[6]"/>
            <net is_signal_inverted="no" name="FCW[7]"/>
            <net is_signal_inverted="no" name="FCW[8]"/>
            <net is_signal_inverted="no" name="FCW[9]"/>
            <net is_signal_inverted="no" name="FCW[10]"/>
            <net is_signal_inverted="no" name="FCW[11]"/>
            <net is_signal_inverted="no" name="FCW[12]"/>
            <net is_signal_inverted="no" name="FCW[13]"/>
            <net is_signal_inverted="no" name="FCW[14]"/>
            <net is_signal_inverted="no" name="FCW[15]"/>
            <net is_signal_inverted="no" name="FCW[16]"/>
            <net is_signal_inverted="no" name="FCW[17]"/>
            <net is_signal_inverted="no" name="FCW[18]"/>
            <net is_signal_inverted="no" name="FCW[19]"/>
            <net is_signal_inverted="no" name="FCW[20]"/>
            <net is_signal_inverted="no" name="FCW[21]"/>
          </bus>
        </data_view>
        <setup_view>
          <bus is_signal_inverted="no" link="all" name="SIN_OUT" order="lsb_to_msb" radix="line" state="collapse" type="output pin">
            <net is_signal_inverted="no" name="SIN_OUT[0]"/>
            <net is_signal_inverted="no" name="SIN_OUT[1]"/>
            <net is_signal_inverted="no" name="SIN_OUT[2]"/>
            <net is_signal_inverted="no" name="SIN_OUT[3]"/>
            <net is_signal_inverted="no" name="SIN_OUT[4]"/>
            <net is_signal_inverted="no" name="SIN_OUT[5]"/>
            <net is_signal_inverted="no" name="SIN_OUT[6]"/>
            <net is_signal_inverted="no" name="SIN_OUT[7]"/>
            <net is_signal_inverted="no" name="SIN_OUT[8]"/>
            <net is_signal_inverted="no" name="SIN_OUT[9]"/>
            <net is_signal_inverted="no" name="SIN_OUT[10]"/>
            <net is_signal_inverted="no" name="SIN_OUT[11]"/>
            <net is_signal_inverted="no" name="SIN_OUT[12]"/>
            <net is_signal_inverted="no" name="SIN_OUT[13]"/>
          </bus>
          <net is_signal_inverted="no" name="NCLR"/>