串行转并行的VHDL源代码，结构化编程，学习模块化编程和实用性都很大。-Serial transfer parallel VHDL source code, structured programming, modular programming and practical learning are great.

讲述FPGA对COM串口的控制，及VGA传输的操作，值得学习借鉴-About FPGA control of COM ports, and VGA transfer operation, it is worth learning from