uart16550　ＩＰ核 ＨＤＬ源代码，对设计自己uart的人员和学习串口通讯有一定的参考价值！其中，附有详细的所明文档！-uart16550 IP HDL source code, uart to design their own study of serial communication and has some reference value. Which, with detailed documentation as pr