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 : 5.258
				@P:  top|clk - Estimated Frequency : 709.8 MHz
				@P:  top|clk - Requested Frequency : 150.0 MHz
				@P:  top|clk - Estimated Period : 1.409
				@P:  top|clk - Requested Period : 6.667
				@P:  top|clk - Slack : 5.258
				@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)