資源簡介
一. 實驗目的
1.了解ALU的功能和使用方法
2.認識和掌握超前進位的設計方法
3.認識和掌握ALU的邏輯電路組成
4.認識和掌握ALU的設計方法
二. 實驗原理
從結構原理圖上可推知,本實驗中的ALU運算邏輯單元由4個一位的ALU運算邏輯單元組成。每位的ALU電路由全加器和函數發生器組成。事實上,是在全加器的基礎上,對全加器功能的擴展來實現符合要求的多種算術/邏輯運算的功能。為了實驗多種功能的運算,An、Bn數據是不能直接與全加器相連接的,它們受到功能變量F3—F1的制約,由此,可由An、Bn數據和功能變量Xn 、Yn,然后,再將Xn 、Yn和下一位進位Cn-1通過全加器進行全加運算以實現所需的運算功能。C0為最低位的進位輸入端,C4為最高位ideas進位輸入端,Sn為運算結果。一位算/邏輯運算單元的邏輯表達式如下

代碼片段和文件信息
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????2133??2008-10-16?15:26??實驗1\ALU\4ALU\4alu(1).cnf
?????文件???????1988??2008-10-16?15:26??實驗1\ALU\4ALU\4alu(2).cnf
?????文件??????15680??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.acf
?????文件??????11489??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.cnf
?????文件???????6592??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.fit
?????文件???????8338??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.gdf
?????文件???????1977??2008-10-16?15:58??實驗1\ALU\4ALU\4alu.hif
?????文件??????????8??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.mmf
?????文件???????2100??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.ndb
?????文件???????3519??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.pin
?????文件???????1958??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.pof
?????文件??????31451??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.rpt
?????文件???????1579??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.scf
?????文件??????13014??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.snf
?????文件??????15681??2008-10-06?08:13??實驗1\ALU\4ALU\addxor.acf
?????文件???????2133??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.cnf
?????文件???????2167??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.fit
?????文件???????1861??2008-10-06?07:23??實驗1\ALU\4ALU\addxor.gdf
?????文件???????1578??2008-10-06?08:14??實驗1\ALU\4ALU\addxor.hif
?????文件????????242??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.mmf
?????文件????????619??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.ndb
?????文件???????3521??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.pin
?????文件???????1958??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.pof
?????文件??????11299??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.rpt
?????文件???????1923??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.snf
?????文件????????254??2008-10-06?07:23??實驗1\ALU\4ALU\addxor.sym
?????文件??????15681??2008-10-15?02:52??實驗1\ALU\4ALU\fungen.acf
?????文件???????1988??2008-10-15?02:34??實驗1\ALU\4ALU\fungen.cnf
?????文件???????2272??2008-10-15?02:35??實驗1\ALU\4ALU\fungen.fit
?????文件???????1598??2008-10-15?01:43??實驗1\ALU\4ALU\FunGen.gdf
............此處省略48個文件信息
-----------?---------??----------?-----??----
?????文件???????2133??2008-10-16?15:26??實驗1\ALU\4ALU\4alu(1).cnf
?????文件???????1988??2008-10-16?15:26??實驗1\ALU\4ALU\4alu(2).cnf
?????文件??????15680??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.acf
?????文件??????11489??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.cnf
?????文件???????6592??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.fit
?????文件???????8338??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.gdf
?????文件???????1977??2008-10-16?15:58??實驗1\ALU\4ALU\4alu.hif
?????文件??????????8??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.mmf
?????文件???????2100??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.ndb
?????文件???????3519??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.pin
?????文件???????1958??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.pof
?????文件??????31451??2008-10-16?15:26??實驗1\ALU\4ALU\4alu.rpt
?????文件???????1579??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.scf
?????文件??????13014??2008-10-16?15:37??實驗1\ALU\4ALU\4alu.snf
?????文件??????15681??2008-10-06?08:13??實驗1\ALU\4ALU\addxor.acf
?????文件???????2133??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.cnf
?????文件???????2167??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.fit
?????文件???????1861??2008-10-06?07:23??實驗1\ALU\4ALU\addxor.gdf
?????文件???????1578??2008-10-06?08:14??實驗1\ALU\4ALU\addxor.hif
?????文件????????242??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.mmf
?????文件????????619??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.ndb
?????文件???????3521??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.pin
?????文件???????1958??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.pof
?????文件??????11299??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.rpt
?????文件???????1923??2008-10-06?07:24??實驗1\ALU\4ALU\addxor.snf
?????文件????????254??2008-10-06?07:23??實驗1\ALU\4ALU\addxor.sym
?????文件??????15681??2008-10-15?02:52??實驗1\ALU\4ALU\fungen.acf
?????文件???????1988??2008-10-15?02:34??實驗1\ALU\4ALU\fungen.cnf
?????文件???????2272??2008-10-15?02:35??實驗1\ALU\4ALU\fungen.fit
?????文件???????1598??2008-10-15?01:43??實驗1\ALU\4ALU\FunGen.gdf
............此處省略48個文件信息
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