I have a DUT which is encrypted netlist and .sdf file (normally we do functional and timing simulations with these inputs). I used interface feature in SystemVerilog so I don't define any port for the modules. here is part of the code: module topmodule( intf1 clk,inp1,inp2,outp); intf1 out(); // Instance the interface with an input, using named connection RC DUT(clk, inp1, inp2, out); and here is part of interface definition, interface intf1; logic data=0; and I have two task and function in my interface. I write a SDF file but modelsim said 'failed to find port '/tbench_top/clk/data' and 'failed to find port '/tbench_top/DUT/inp1/data'. It means it didn't recognize the 'data' port which is defined within the interface. here is part of my SDF file, INTERCONNECT clk.data DUT.inp1.data (.145::.145) (.125::.125)) So, how must I write SDF when I use interfaces? Thanks for any help.![]()
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