(Note that, while there are occasions when it is helpful or even necessary to explicitly instantiate primitives, it is much better design practice to write behavioral code whenever possible.) The libraries guide in the Xilinx documentation provides an complete description of every primitive available in the Xilinx library. Primitives also include specialized circuits such as DLLs that cannot be inferred by behavioral HDL code and must be explicitly instantiated. Primitives are not necessarily just simple logic gates like AND and OR gates and D-registers, but can also include more complicated things such as shift registers and arithmetic units. The synthesis engine takes as input the HDL design files and a library of primitives. Synthesis is the process of converting behavioral HDL descriptions into a network of logic gates.
The process of converting hardware design language (HDL) files into a configuration bitstream which can be used to program the FPGA, is done several steps.įirst, the HDL files are synthesized. Don't miss the required reading section at the end of this guide which points out some sections of the documentation that every 6.111 student should read before beginning a complex labkit project. Because the documentation is so voluminous, this guide will attempt to provide some help with finding the right sections of the documentation to read. The ultimate reference to ISE is of course the official documentation, which is installed on every PC in the lab, and is available from the Xilinx website. This guide provides a very high-level overview of how the tools work, and takes the reader through the process of compiling. The purpose of this guide is to help new users get started using ISE to compile their designs.
#Xilinx verilog tutorial for beginners software
The Xilinx Integrated Software Environment (ISE) is a powerful and complex set of tools. 6.111 > FPGA Labkit > Xilinx Tools Tutorial
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