dds设计

				
				State Machine - |DDSFPGA|control:inst1|state_wave
				Name state_wave.sin state_wave.triangle state_wave.square 
				state_wave.square 0 0 0 
				state_wave.triangle 0 1 1 
				state_wave.sin 1 0 1 
				
				State Machine - |DDSFPGA|control:inst1|state_adjust
				Name state_adjust.adj10k state_adjust.adj100 state_adjust.adj1 
				state_adjust.adj10k 0 0 0 
				state_adjust.adj100 1 1 0 
				state_adjust.adj1 1 0 1