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• GofTrace can auto extract logic cone starting from one gate to all gates ending flipflops or ports.
• Note: To use this feature, technology library (syntheis library) instead of simulation library has to be loaded.
  • To load synthesis library file, the command line is like: gof -synlib tsmc65.lib dsp_chip.v
• Select one gate's input or output pin.
• The Extracted Logic Cone can be displayed in Text Mode or in Schematic.
  • The Schematic Mode displays the End-Points including flipflops and ports.
  • The Text Mode displays the End-Points flipflops and ports in comment lines.
• Click menu Commands->Extract logic cone->In Text Mode

• The extracted logic cone will be written out in verilog file format and display on a text window.

• Or Commands->Extract logic cone->In the Schematic.

• Logic Cone is displayed in the Schematic.