一本老师推荐的经典的VHDL覆盖基础的入门书籍

				@P:  Part : EP1S10FC780-5
				@P:  Worst Slack : -0.165
				@P:  top|clk - Estimated Frequency : 912.1 MHz
				@P:  top|clk - Requested Frequency : 1073.1 MHz
				@P:  top|clk - Estimated Period : 1.096
				@P:  top|clk - Requested Period : 0.932
				@P:  top|clk - Slack : -0.165
				@P: top Part : ep1s10fc780-5
				@P: top I/O ATOMs : 28
				@P: top Total LUTs: : 16 of 10570 ( 0%)
				@P: top Logic resources : 16 ATOMs of 10570 ( 0%)
				@P: top DSP Blocks : 0 (0 nine bit DSP elements)