系统地讲述了Xilinx FPGA的开发知识，包括FPGA开发简介，Verilog HDL语言基础、基于Xilinx芯片的HDL语言高级进阶、ISEd开发环境使用指南等-Systematically describes the development of Xilinx FPGA knowledge, including Introduction to FPGA development, Verilog HDL language based on chip-based Xilinx HDL La