FPGA直接读取SD卡扇区数据

				Analysis & Synthesis Status : Successful - Sat Apr 09 21:33:55 2011
				Quartus II Version : 8.0 Build 231 07/10/2008 SP 1 SJ Full Version
				Revision Name : top
				Top-level Entity Name : top
				Family : Cyclone
				Total logic elements : 1,977
				Total pins : 11
				Total virtual pins : 20
				Total memory bits : 40,960
				DSP block 9-bit elements : N/A until Partition Merge
				Total PLLs : 1
				Total DLLs : N/A until Partition Merge