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Preface

About the XST User Guide

The XST User Guide:

•Describes Xilinx® Synthesis Technology (XST) support for Hardware Description Languages (HDLs), Xilinx devices, and design constraints for the Xilinx ISE™ software suite

•Discusses FPGA and CPLD optimization and coding techniques when creating designs for use with XST

•Explains how to run XST from the Project Navigator Process window, and from the command line

This chapter includes:

•“XST User Guide Contents”

•“Additional Resources”

•“Conventions”

XST User Guide Contents

The XST User Guide includes:

•Chapter 1, “Introduction to the XST User Guide,” provides general information about XST.

•Chapter 2, “XST HDL Coding Techniques,” describes VHDL and Verilog coding techniques for digital logic circuits.

•Chapter 3, “XST FPGA Optimization,” explains how constraints can be used to optimize FPGA devices; explains macro generation; and describes the supported Virtex™ primitives.

•Chapter 4, “XST CPLD Optimization,” discusses CPLD synthesis options and the implementation details for macro generation.

•Chapter 5, “XST Design Constraints,” provides general information about XST design constraints, as well as information about specific constraints.

•Chapter 6, “XST VHDL Language Support,” describes XST support for VHDL.

•Chapter 7, “XST Verilog Language Support,” describes XST support for Verilog.

•Chapter 8, “XST Behavioral Verilog Language Support,” describes XST support for Behavioral Verilog.

•Chapter 9, “XST Mixed Language Support,” describes how to run an XST project that mixes Verilog and VHDL designs.

•Chapter 10, “XST Log Files,” describes the XST log file.

•Chapter 11, “XST Naming Conventions,” describes XST naming conventions.

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