说明：  关于FPGA的课件，较为详细的讲述了数字处理器和FIFO，关键是有几个相当不错的FIFO程序，对于学习FIFO的人很有帮助
(Courseware on the FPGA, more detailed about the digital processor and the FIFO, the key is there are several very good FIFO procedures, helpful for people learning FIFO)