New FPGA project with added source schematic. Save the project also (right-click on its name and choose Save Project).įigure 1. The project itself will appear as modified in the Projects panel.Save this document ( File » Save) with the name Simple_Counter.SchDoc, in the same folder as the parent project.A blank schematic sheet will open as the active document in the main design window. Add a new schematic document by right-clicking on the FPGA project entry in the Projects panel and choosing the Add New to Project ».For now, we will simply add a single schematic sheet (our top sheet) to our new FPGA project: We shall explore design hierarchy later in this tutorial. This sheet not only contains the ports for the design – which interface directly to pins of the physical FPGA device to which the design is targeted – but also facilitates FPGA-PCB integration within Altium Designer. One common denominator for all projects however is that they must have a single top-level schematic. Any number of schematic, HDL (VHDL or Verilog) or OpenBus documents can be included, with all descendent sub-files referenced using sheet symbols. Adding a Schematic Source DocumentĪn FPGA project is hierarchical in nature. Underscores (_) should be used instead, to provide readability. Doing so will result in synthesis errors during design processing. Note: Spaces and/or dashes (-) must not be used in project or document filenames. Save the project in the location of your choice, with the name Simple_Counter.PrjFpg, and in a new folder called Basic FPGA Design Tutorial.
Let's go ahead and create the FPGA project. The project document itself is an ASCII file that stores project information, such as the documents that belong to the project, output settings, compilation settings, error checking settings, and so on. For an FPGA design, we need to create a new FPGA project ( *.PrjFpg). The basis of every design created in the Altium Designer environment is a project file. The following sections take you through the steps required to capture our twisted-ring counter design. Before we can address the schematic and its contents however, we must create a project. For our simple design circuit, this will involve adding required components to a schematic sheet and wiring them accordingly. The first thing we need to do is capture our design within the Altium Designer environment.
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