可预置数字钟

				Analysis & Synthesis Status : Successful - Tue Nov 27 19:03:28 2007
				Quartus II Version : 7.1 Build 156 04/30/2007 SJ Full Version
				Revision Name : F_M
				Top-level Entity Name : F_M
				Family : ACEX1K
				Total logic elements : 30
				Total pins : 11
				Total memory bits : 0
				Total PLLs : 0