Isa is divided into three parts according to the design consideration of md32 . rich addressing and operation modes are supported in md32 isa . risc / dsp pipeline partition rules are given based on the relations between instruction set and data path design 在md32设计中采用了具有自身特色的设计方法，探索出一套面向risc dsp指令结构的微结构设计原则和方法，如并行设计、内部流水设计、集中控制等。
