diff --git a/openfpga_flow/openfpga_shell_scripts/group_tile_clkntwk_preconfig_testbench_example_script.openfpga b/openfpga_flow/openfpga_shell_scripts/group_tile_clkntwk_preconfig_testbench_example_script.openfpga
new file mode 100644
index 000000000..e7a07d61d
--- /dev/null
+++ b/openfpga_flow/openfpga_shell_scripts/group_tile_clkntwk_preconfig_testbench_example_script.openfpga
@@ -0,0 +1,82 @@
+# Run VPR for the 'and' design
+#--write_rr_graph example_rr_graph.xml
+vpr ${VPR_ARCH_FILE} ${VPR_TESTBENCH_BLIF} --device ${OPENFPGA_VPR_DEVICE} --route_chan_width ${OPENFPGA_VPR_ROUTE_CHAN_WIDTH} --clock_modeling ideal
+
+# Read OpenFPGA architecture definition
+read_openfpga_arch -f ${OPENFPGA_ARCH_FILE}
+
+# Read OpenFPGA simulation settings
+read_openfpga_simulation_setting -f ${OPENFPGA_SIM_SETTING_FILE}
+
+# Read OpenFPGA clock architecture
+read_openfpga_clock_arch -f ${OPENFPGA_CLOCK_ARCH_FILE}
+
+# Append clock network to vpr's routing resource graph
+append_clock_rr_graph
+
+# Annotate the OpenFPGA architecture to VPR data base
+# to debug use --verbose options
+link_openfpga_arch --sort_gsb_chan_node_in_edges
+
+# Route clock based on clock network definition
+route_clock_rr_graph
+
+# Check and correct any naming conflicts in the BLIF netlist
+check_netlist_naming_conflict --fix --report ./netlist_renaming.xml
+
+# Apply fix-up to Look-Up Table truth tables based on packing results
+lut_truth_table_fixup
+
+# Build the module graph
+# - Enabled compression on routing architecture modules
+# - Enable pin duplication on grid modules
+build_fabric --compress_routing --group_tile ${OPENFPGA_GROUP_TILE_CONFIG_FILE} #--verbose
+
+# Write the fabric hierarchy of module graph to a file
+# This is used by hierarchical PnR flows
+write_fabric_hierarchy --file ./fabric_hierarchy.txt
+
+# Repack the netlist to physical pbs
+# This must be done before bitstream generator and testbench generation
+# Strongly recommend it is done after all the fix-up have been applied
+repack #--verbose
+
+# Build the bitstream
+# - Output the fabric-independent bitstream to a file
+build_architecture_bitstream --verbose --write_file fabric_independent_bitstream.xml
+
+# Build fabric-dependent bitstream
+build_fabric_bitstream --verbose
+
+# Write fabric-dependent bitstream
+write_fabric_bitstream --file fabric_bitstream.bit --format plain_text
+
+# Write the Verilog netlist for FPGA fabric
+# - Enable the use of explicit port mapping in Verilog netlist
+write_fabric_verilog --file ./SRC --explicit_port_mapping --include_timing --print_user_defined_template --verbose
+
+# Write the Verilog testbench for FPGA fabric
+# - We suggest the use of same output directory as fabric Verilog netlists
+# - Must specify the reference benchmark file if you want to output any testbenches
+# - Enable top-level testbench which is a full verification including programming circuit and core logic of FPGA
+# - Enable pre-configured top-level testbench which is a fast verification skipping programming phase
+# - Simulation ini file is optional and is needed only when you need to interface different HDL simulators using openfpga flow-run scripts
+write_preconfigured_fabric_wrapper --embed_bitstream iverilog --file ./SRC ${OPENFPGA_VERILOG_TESTBENCH_OPTIONS}
+write_preconfigured_testbench --file ./SRC --reference_benchmark_file_path ${REFERENCE_VERILOG_TESTBENCH} ${OPENFPGA_VERILOG_TESTBENCH_OPTIONS}
+
+# Write the SDC files for PnR backend
+# - Turn on every options here
+# FIXME: Not supported yet.
+#write_pnr_sdc --file ./SDC
+
+# Write SDC to disable timing for configure ports
+write_sdc_disable_timing_configure_ports --file ./SDC/disable_configure_ports.sdc
+
+# Write the SDC to run timing analysis for a mapped FPGA fabric
+write_analysis_sdc --file ./SDC_analysis
+
+# Finish and exit OpenFPGA
+exit
+
+# Note :
+# To run verification at the end of the flow maintain source in ./SRC directory
diff --git a/openfpga_flow/regression_test_scripts/basic_reg_test.sh b/openfpga_flow/regression_test_scripts/basic_reg_test.sh
index cf2b6ae51..1f163fc8a 100755
--- a/openfpga_flow/regression_test_scripts/basic_reg_test.sh
+++ b/openfpga_flow/regression_test_scripts/basic_reg_test.sh
@@ -183,6 +183,7 @@ run-task basic_tests/tile_organization/homo_fabric_tile_2x2_preconfig $@
run-task basic_tests/tile_organization/homo_fabric_tile_4x4_preconfig $@
run-task basic_tests/tile_organization/homo_fabric_tile_global_tile_clock $@
run-task basic_tests/tile_organization/homo_fabric_tile_adder_chain $@
+run-task basic_tests/tile_organization/homo_fabric_tile_clkntwk $@
echo -e "Testing global port definition from tiles";
run-task basic_tests/global_tile_ports/global_tile_clock $@
diff --git a/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_clkntwk/config/clk_arch_1clk_2layer.xml b/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_clkntwk/config/clk_arch_1clk_2layer.xml
new file mode 100644
index 000000000..0570406fd
--- /dev/null
+++ b/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_clkntwk/config/clk_arch_1clk_2layer.xml
@@ -0,0 +1,17 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_clkntwk/config/task.conf b/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_clkntwk/config/task.conf
new file mode 100644
index 000000000..b348f342d
--- /dev/null
+++ b/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_clkntwk/config/task.conf
@@ -0,0 +1,40 @@
+# = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
+# Configuration file for running experiments
+# = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
+# timeout_each_job : FPGA Task script splits fpga flow into multiple jobs
+# Each job execute fpga_flow script on combination of architecture & benchmark
+# timeout_each_job is timeout for each job
+# = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
+
+[GENERAL]
+run_engine=openfpga_shell
+power_tech_file = ${PATH:OPENFPGA_PATH}/openfpga_flow/tech/PTM_45nm/45nm.xml
+power_analysis = false
+spice_output=false
+verilog_output=true
+timeout_each_job = 20*60
+fpga_flow=yosys_vpr
+
+[OpenFPGA_SHELL]
+openfpga_shell_template=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_shell_scripts/group_tile_clkntwk_preconfig_testbench_example_script.openfpga
+openfpga_arch_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_arch/k4_N4_40nm_Ntwk1clk2lvl_cc_openfpga.xml
+openfpga_clock_arch_file=${PATH:TASK_DIR}/config/clk_arch_1clk_2layer.xml
+openfpga_sim_setting_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_simulation_settings/fixed_sim_openfpga.xml
+openfpga_vpr_device=2x2
+openfpga_vpr_route_chan_width=24
+openfpga_group_tile_config_file=${PATH:TASK_DIR}/config/tile_config.xml
+openfpga_verilog_testbench_options=--explicit_port_mapping
+
+[ARCHITECTURES]
+arch0=${PATH:OPENFPGA_PATH}/openfpga_flow/vpr_arch/k4_N4_tileable_Ntwk1clk2lvl_40nm.xml
+
+[BENCHMARKS]
+bench0=${PATH:OPENFPGA_PATH}/openfpga_flow/benchmarks/micro_benchmark/and2_latch/and2_latch.v
+
+[SYNTHESIS_PARAM]
+bench_read_verilog_options_common = -nolatches
+bench0_top = and2_latch
+
+[SCRIPT_PARAM_MIN_ROUTE_CHAN_WIDTH]
+end_flow_with_test=
+vpr_fpga_verilog_formal_verification_top_netlist=
diff --git a/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_clkntwk/config/tile_config.xml b/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_clkntwk/config/tile_config.xml
new file mode 100644
index 000000000..1a1f3f6e8
--- /dev/null
+++ b/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_clkntwk/config/tile_config.xml
@@ -0,0 +1 @@
+
diff --git a/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_preconfig/config/task.conf b/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_preconfig/config/task.conf
index 4ae59f18f..d1164b236 100644
--- a/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_preconfig/config/task.conf
+++ b/openfpga_flow/tasks/basic_tests/tile_organization/homo_fabric_tile_preconfig/config/task.conf
@@ -9,7 +9,7 @@
[GENERAL]
run_engine=openfpga_shell
power_tech_file = ${PATH:OPENFPGA_PATH}/openfpga_flow/tech/PTM_45nm/45nm.xml
-power_analysis = true
+power_analysis = false
spice_output=false
verilog_output=true
timeout_each_job = 20*60