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8-bit Arithmetic Logic Unit Design Report

8-bit Arithmetic Logic unit Design Report Fang, Hongxia Zhang, Zhaobo Zhao, Yang Zhong, Wei Instructor: James Morizio 2007-12-09 ECE 261 Project8bit ALU Design ReportOutline - Generalization - Function - Structure - Assignment - Design results - Summary GeneralizationALU ( Arithmetic Logic unit ) A critical component of the microprocessor, the core component of central processing unit . ALU comprises the combinational Logic that implements Logic operations such as AND and OR, and Arithmetic operations such as Addition, Subtraction, and Multiplication. GeneralizationA and B: N-bit InputsResult: N-bit OutputOp: ALU operation, K-bit means could support maximum 2k operationZero, CarryOut, Overflow: 1-bit flagABNNNR esultKOpCarryOutZeroOverflowALUALU symbolFunction8 Functions Logic : And; Or; Inv SHIFT: signed-shift left signed-shift right ALOGRITHM: Add Subtract Multiply3 bit control signals

ALU (Arithmetic Logic Unit) A critical component of the microprocessor, the core component of central processing unit. ALU comprises the combinational logic that implements logic operations such as AND and OR, and arithmetic operations such as …

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