The number of inputs of ASM fuctions can be loaded onto Synthesis structures after it is preselected by the MUX. So the packing density of the System fuctions can be reduced, So that network of synthesis structures can be reduced.

• ASM函数的输入是经过MUX预选后送入到综合结构上的,这样能使系统函数存贮密度减小,从而使综合结构网络简化。