instruction decode unit 中文意思是什麼
instruction decode unit
解釋
指令譯碼部件- instruction : n. 1. 教育，教導。2. 教訓，教誨。3. 〈 pl. 〉 指令，訓令，指示，細目。
- decode : vt. 譯碼；解碼；譯出指令。
- unit : n 1 個體，一個，一人。2 （計值、組織、機構）單位；單元；小組，分部；【軍事】部隊；分隊。3 【機械...
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Jx5 is a complex microprocessor, which contains cache, microcode rom, instruction prefetch unit, instruction decode unit, integer unit, mmx unit, floating point unit, page unit, bus unit, dp logic, apic and so on. it is very difficulty to test a such complicated microprocessor and receive anticipative fault coverage ratio. so, we must add dft in cpu ’ design
Jx5微處理器是一款結構異常復雜的微處理器，它的內部包含有: cache 、微碼rom 、指令預取部件和動態分支預測部件、指令譯碼部件、整數部件、多媒體部件、浮點部件、分段和分頁部件、總線介面部件、雙處理器介面部件、可編程中斷控制部件等。 -
Each unit is extracted from the circuit, and is analyzed detailedly in framework, configuration and design approach. the instruction system of c9821 is unscrambled and then the instruction decode algorithm are obtained. the complete program of c9821 including basic arithmetic and root square operation is realized
在軟體方面，破譯了c9821的指令系統，分析了指令譯碼電路的設計技術，分析了計算器內bcd碼的四則運算及開方運算演算法，得到了實現c9821全部功能的程序，掌握了該計算器的程序設計方法。
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