串口驱动以及串口调试的源代码

				Analysis & Synthesis Status : Successful - Sun Mar 02 17:40:47 2008
				Quartus II Version : 6.0 Build 202 06/20/2006 SP 1 SJ Full Version
				Revision Name : top
				Top-level Entity Name : top1
				Family : Cyclone
				Total logic elements : 193
				Total pins : 3
				Total virtual pins : 0
				Total memory bits : 0
				Total PLLs : 0