学习FPGA的入门书籍，主要内容包括：逻辑电路、组合逻辑、算术运算电路、存储元件、同步时序电路（有限状态机）、异步时序电路、测试等。《数字逻辑基础与Verilog设计》(原书第2版)内容全面，概念清楚，结合了逻辑设计最新技术的发展。(Learn the introductory books of FPGA. The main contents include logic circuit, combinational logic, arithmetic operation circuit, storage element, synchronous sequential circuit (finite state machine), asynchronous sequential circuit, test and so on. "Digital logic base and Verilog design" (second edition of the original book) is full of content, clear concept, combined with the development of the latest technology of logical design.)