[Architecture] Add a k4k4 openfpga architecture with carry chain for quick test
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tangxifan
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<!-- Architecture annotation for OpenFPGA framework
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This annotation supports the k6_N10_40nm.xml
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- General purpose logic block
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- K = 6, N = 10, I = 40
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- Single mode
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- Routing architecture
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- L = 4, fc_in = 0.15, fc_out = 0.1
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-->
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<openfpga_architecture>
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<technology_library>
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<device_library>
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<device_model name="logic" type="transistor">
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<lib type="industry" corner="TOP_TT" ref="M" path="${OPENFPGA_PATH}/openfpga_flow/tech/PTM_45nm/45nm.pm"/>
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<design vdd="0.9" pn_ratio="2"/>
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<pmos name="pch" chan_length="40e-9" min_width="140e-9" variation="logic_transistor_var"/>
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<nmos name="nch" chan_length="40e-9" min_width="140e-9" variation="logic_transistor_var"/>
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</device_model>
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<device_model name="io" type="transistor">
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<lib type="academia" ref="M" path="${OPENFPGA_PATH}/openfpga_flow/tech/PTM_45nm/45nm.pm"/>
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<design vdd="2.5" pn_ratio="3"/>
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<pmos name="pch_25" chan_length="270e-9" min_width="320e-9" variation="io_transistor_var"/>
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<nmos name="nch_25" chan_length="270e-9" min_width="320e-9" variation="io_transistor_var"/>
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</device_model>
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</device_library>
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<variation_library>
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<variation name="logic_transistor_var" abs_deviation="0.1" num_sigma="3"/>
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<variation name="io_transistor_var" abs_deviation="0.1" num_sigma="3"/>
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</variation_library>
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</technology_library>
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<circuit_library>
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<circuit_model type="inv_buf" name="INVTX1" prefix="INVTX1" is_default="true">
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<design_technology type="cmos" topology="inverter" size="1"/>
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<device_technology device_model_name="logic"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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</circuit_model>
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<circuit_model type="inv_buf" name="buf4" prefix="buf4" is_default="false">
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<design_technology type="cmos" topology="buffer" size="1" num_level="2" f_per_stage="4"/>
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<device_technology device_model_name="logic"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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</circuit_model>
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<circuit_model type="inv_buf" name="tap_buf4" prefix="tap_buf4" is_default="false">
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<design_technology type="cmos" topology="buffer" size="1" num_level="3" f_per_stage="4"/>
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<device_technology device_model_name="logic"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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</circuit_model>
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<circuit_model type="gate" name="OR2" prefix="OR2" is_default="true">
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<design_technology type="cmos" topology="OR"/>
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<device_technology device_model_name="logic"/>
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<input_buffer exist="false"/>
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<output_buffer exist="false"/>
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<port type="input" prefix="a" size="1"/>
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<port type="input" prefix="b" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="a b" out_port="out">
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10e-12 5e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="a b" out_port="out">
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10e-12 5e-12
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</delay_matrix>
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</circuit_model>
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<circuit_model type="pass_gate" name="TGATE" prefix="TGATE" is_default="true">
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<design_technology type="cmos" topology="transmission_gate" nmos_size="1" pmos_size="2"/>
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<device_technology device_model_name="logic"/>
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<input_buffer exist="false"/>
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<output_buffer exist="false"/>
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<port type="input" prefix="in" size="1"/>
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<port type="input" prefix="sel" size="1"/>
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<port type="input" prefix="selb" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="in sel selb" out_port="out">
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10e-12 5e-12 5e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="in sel selb" out_port="out">
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10e-12 5e-12 5e-12
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</delay_matrix>
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</circuit_model>
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<circuit_model type="chan_wire" name="chan_segment" prefix="track_seg" is_default="true">
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<design_technology type="cmos"/>
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<input_buffer exist="false"/>
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<output_buffer exist="false"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<wire_param model_type="pi" R="101" C="22.5e-15" num_level="1"/> <!-- model_type could be T, res_val and cap_val DON'T CARE -->
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</circuit_model>
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<circuit_model type="wire" name="direct_interc" prefix="direct_interc" is_default="true">
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<design_technology type="cmos"/>
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<input_buffer exist="false"/>
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<output_buffer exist="false"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<wire_param model_type="pi" R="0" C="0" num_level="1"/> <!-- model_type could be T, res_val cap_val should be defined -->
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</circuit_model>
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<circuit_model type="mux" name="mux_2level" prefix="mux_2level" dump_structural_verilog="true">
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<design_technology type="cmos" structure="multi_level" num_level="2" add_const_input="true" const_input_val="1"/>
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="INVTX1"/>
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<pass_gate_logic circuit_model_name="TGATE"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<port type="sram" prefix="sram" size="1"/>
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</circuit_model>
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<circuit_model type="mux" name="mux_2level_tapbuf" prefix="mux_2level_tapbuf" dump_structural_verilog="true">
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<design_technology type="cmos" structure="multi_level" num_level="2" add_const_input="true" const_input_val="1"/>
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="tap_buf4"/>
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<pass_gate_logic circuit_model_name="TGATE"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<port type="sram" prefix="sram" size="1"/>
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</circuit_model>
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<circuit_model type="mux" name="mux_1level_tapbuf" prefix="mux_1level_tapbuf" is_default="true" dump_structural_verilog="true">
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<design_technology type="cmos" structure="one_level" add_const_input="true" const_input_val="1"/>
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="tap_buf4"/>
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<pass_gate_logic circuit_model_name="TGATE"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<port type="sram" prefix="sram" size="1"/>
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</circuit_model>
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<!--DFF subckt ports should be defined as <D> <Q> <CLK> <RESET> <SET> -->
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<circuit_model type="ff" name="static_dff" prefix="dff" spice_netlist="${OPENFPGA_PATH}/openfpga_flow/SpiceNetlists/ff.sp" verilog_netlist="${OPENFPGA_PATH}/openfpga_flow/VerilogNetlists/ff.v">
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<design_technology type="cmos"/>
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="INVTX1"/>
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<port type="input" prefix="D" size="1"/>
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<port type="input" prefix="set" size="1" is_global="true" default_val="0" is_set="true"/>
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<port type="input" prefix="reset" size="1" is_global="true" default_val="0" is_reset="true"/>
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<port type="output" prefix="Q" size="1"/>
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<port type="clock" prefix="clk" size="1" is_global="true" default_val="0" />
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</circuit_model>
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<circuit_model type="lut" name="frac_lut4" prefix="frac_lut4" dump_structural_verilog="true">
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<design_technology type="cmos" fracturable_lut="true"/>
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="INVTX1"/>
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<lut_input_inverter exist="true" circuit_model_name="INVTX1"/>
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<lut_input_buffer exist="true" circuit_model_name="buf4"/>
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<lut_intermediate_buffer exist="true" circuit_model_name="buf4" location_map="-1-"/>
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<pass_gate_logic circuit_model_name="TGATE"/>
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<port type="input" prefix="in" size="4" tri_state_map="---1" circuit_model_name="OR2"/>
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<port type="output" prefix="lut3_out" size="2" lut_frac_level="3" lut_output_mask="0,1"/>
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<port type="output" prefix="lut4_out" size="1" lut_output_mask="0"/>
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<port type="sram" prefix="sram" size="16"/>
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<port type="sram" prefix="mode" size="1" mode_select="true" circuit_model_name="sc_dff_compact" default_val="1"/>
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</circuit_model>
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<!--Scan-chain DFF subckt ports should be defined as <D> <Q> <Qb> <CLK> <RESET> <SET> -->
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<circuit_model type="ccff" name="sc_dff_compact" prefix="scff" spice_netlist="${OPENFPGA_PATH}/openfpga_flow/SpiceNetlists/ff.sp" verilog_netlist="${OPENFPGA_PATH}/openfpga_flow/VerilogNetlists/ff.v">
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<design_technology type="cmos"/>
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="INVTX1"/>
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<port type="input" prefix="pReset" lib_name="reset" size="1" is_global="true" default_val="0" is_reset="true" is_prog="true"/>
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<port type="input" prefix="D" size="1"/>
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<port type="output" prefix="Q" size="1"/>
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<port type="output" prefix="Qb" size="1"/>
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<port type="clock" prefix="prog_clk" lib_name="clk" size="1" is_global="true" default_val="0" is_prog="true"/>
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</circuit_model>
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<circuit_model type="iopad" name="iopad" prefix="iopad" spice_netlist="${OPENFPGA_PATH}/openfpga_flow/SpiceNetlists/io.sp" verilog_netlist="${OPENFPGA_PATH}/openfpga_flow/VerilogNetlists/io.v">
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<design_technology type="cmos"/>
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="INVTX1"/>
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<port type="inout" prefix="pad" size="1" is_global="true" is_io="true"/>
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<port type="sram" prefix="en" size="1" mode_select="true" circuit_model_name="sc_dff_compact" default_val="1"/>
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<port type="input" prefix="outpad" size="1"/>
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<port type="output" prefix="inpad" size="1"/>
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</circuit_model>
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<circuit_model type="hard_logic" name="adder" prefix="adder" is_default="true" spice_netlist="${OPENFPGA_PATH}/openfpga_flow/SpiceNetlists/adder.sp" verilog_netlist="${OPENFPGA_PATH}/openfpga_flow/VerilogNetlists/adder.v">
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<design_technology type="cmos"/>
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="INVTX1"/>
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<port type="input" prefix="a" size="1"/>
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<port type="input" prefix="b" size="1"/>
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<port type="input" prefix="cin" size="1"/>
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<port type="output" prefix="sumout" size="1"/>
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<port type="output" prefix="cout" size="1"/>
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</circuit_model>
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</circuit_library>
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<configuration_protocol>
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<organization type="scan_chain" circuit_model_name="sc_dff_compact"/>
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</configuration_protocol>
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<connection_block>
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<switch name="ipin_cblock" circuit_model_name="mux_2level_tapbuf"/>
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</connection_block>
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<switch_block>
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<switch name="0" circuit_model_name="mux_2level_tapbuf"/>
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</switch_block>
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<routing_segment>
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<segment name="L4" circuit_model_name="chan_segment"/>
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</routing_segment>
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<direct_connection>
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<direct name="adder_carry" circuit_model_name="direct_interc" type="column" x_dir="positive" y_dir="positive"/>
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</direct_connection>
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<pb_type_annotations>
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<!-- physical pb_type binding in complex block IO -->
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<pb_type name="io" physical_mode_name="physical" idle_mode_name="inpad"/>
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<pb_type name="io[physical].iopad" circuit_model_name="iopad" mode_bits="1"/>
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<pb_type name="io[inpad].inpad" physical_pb_type_name="io[physical].iopad" mode_bits="1"/>
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<pb_type name="io[outpad].outpad" physical_pb_type_name="io[physical].iopad" mode_bits="0"/>
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<!-- End physical pb_type binding in complex block IO -->
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<!-- physical pb_type binding in complex block CLB -->
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<!-- physical mode will be the default mode if not specified -->
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<pb_type name="clb">
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<!-- Binding interconnect to circuit models as their physical implementation, if not defined, we use the default model -->
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<interconnect name="crossbar" circuit_model_name="mux_2level"/>
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</pb_type>
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<pb_type name="clb.fle" physical_mode_name="physical"/>
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<pb_type name="clb.fle[physical].fabric.frac_logic.frac_lut4" circuit_model_name="frac_lut4" mode_bits="0"/>
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<pb_type name="clb.fle[physical].fabric.ff" circuit_model_name="static_dff"/>
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<pb_type name="clb.fle[physical].fabric.adder" circuit_model_name="adder"/>
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<!-- Binding operating pb_type to physical pb_type -->
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<pb_type name="clb.fle[n2_lut3].lut3inter.ble3.lut3" physical_pb_type_name="clb.fle[physical].fabric.frac_logic.frac_lut4" mode_bits="1" physical_pb_type_index_factor="0.5">
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<!-- Binding the lut3 to the first 3 inputs of fracturable lut4 -->
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<port name="in" physical_mode_port="in[0:2]"/>
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<port name="out" physical_mode_port="lut3_out[0:0]" physical_mode_pin_rotate_offset="1"/>
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</pb_type>
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<pb_type name="clb.fle[n2_lut3].lut3inter.ble3.ff" physical_pb_type_name="clb.fle[physical].fabric.ff"/>
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<!-- Binding operating pb_types in mode 'arithmetic' -->
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<pb_type name="clb.fle[arithmetic].arithmetic.lut3" physical_pb_type_name="clb.fle[physical].fabric.frac_logic.frac_lut4" mode_bits="1" physical_pb_type_index_factor="0.5">
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<!-- Binding the lut4 to the first 3 inputs of fracturable lut6 -->
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<port name="in" physical_mode_port="in[0:2]"/>
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<port name="out" physical_mode_port="lut3_out[0:0]" physical_mode_pin_rotate_offset="1"/>
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</pb_type>
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<pb_type name="clb.fle[arithmetic].arithmetic.adder" physical_pb_type_name="clb.fle[physical].fabric.adder"/>
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<pb_type name="clb.fle[arithmetic].arithmetic.ff" physical_pb_type_name="clb.fle[physical].fabric.ff"/>
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<!-- Binding operating pb_types in mode 'ble4' -->
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<pb_type name="clb.fle[n1_lut4].ble4.lut4" physical_pb_type_name="clb.fle[physical].fabric.frac_logic.frac_lut4" mode_bits="0">
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<!-- Binding the lut4 to the first 4 inputs of fracturable lut4 -->
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<port name="in" physical_mode_port="in[0:3]"/>
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<port name="out" physical_mode_port="lut4_out"/>
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</pb_type>
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<pb_type name="clb.fle[n1_lut4].ble4.ff" physical_pb_type_name="clb.fle[physical].fabric.ff" physical_pb_type_index_factor="2" physical_pb_type_index_offset="0"/>
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<!-- End physical pb_type binding in complex block IO -->
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</pb_type_annotations>
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</openfpga_architecture>
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