D2Intro_Guide - EE2006 Digital Design A step-by-step guide...

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EE2006 – Digital Design A step-by-step guide for VHDL simulation using Xilinx WebPACK software Department of Electrical and Computer Engineering National University of Singapore 1
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VHDL Design / Simulation Using Xilinx WebPACK Software This manual illustrates step-by-step instructions on how to use Xilinx’s ISE WebPACK software for design, synthesis and simulation of digital circuits in VHDL. The Xilinx software is available at the Digital Electronics Laboratory. NOTE : Remember to bring a 1.44 MB floppy diskette with you when you attend the lab classes. Use this diskette to save your work. Any file saved on the hard disk drive of the computers in the lab will be automatically cleared at the end of the day. The procedure described in this manual involves three major steps: 1. Creating a new VHDL project using Xilinx Project Navigator 2. Using HDL Editor to enter the VHDL program and then checking for syntax followed by synthesis. 3. Simulating the design using HDL Bencher and ModelSim. This manual describes the VHDL implementation of a 1-bit half adder circuit. 2
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1 Xilinx Project Navigator Creating a new VHDL project The Xilinx ISE WebPACK is freely downloadable from the following site: http://www.xilinx.com/xlnx/xil_prodcat_landingpage.jsp?title=ISE+WebPack The instructions on downloading the software are given in the following site: http://courses.nus.edu.sg/course/eleashra/EE2006/Xinstall.htm To launch the ISE software package: 1. Double-click the ISE Project Navigator icon (Fig. A1) on your desktop or select Start Programs Xilinx ISE Project Navigator . Fig. A1 2. From Project Navigator , select File New Project . Project manager will open the New Project dialog box ) (Fig. A2). 3. Specify a name for your project in the Project Name edit box. Also specify a valid directory name for your project in the Directory edit box. Specify the default setting for the Value of Property Name as follows and click OK : 3
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Fig. A2 The Project Navigator main window is shown in the Fig. A3. It should appear after your new project is created. The
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D2Intro_Guide - EE2006 Digital Design A step-by-step guide...

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