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微功能操作是从微操作中抽象出来的,可通用于各种微处理器(μP).在微功能级上开展μP控制功能测试可望获得较高的故障覆盖率.本文定义了微功能操作及μP控制功能的故障模型,考虑了三种基本的微功能操作;传输类、算术逻辑类、条件转移类.文章最后给出了μP控制功能测试的具体方法.
Microfunctional operation is abstracted from micro-operation and can be used universally in various microprocessors (μP). It is expected that μP control function test will achieve higher fault coverage at micro-level.This paper defines micro-functional operation And μP control functions, three basic micro-functional operations are considered: transmission class, arithmetic logic class and conditional transfer class.The paper finally gives the specific method of μP control function test.