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Article | REF: E3550 V2

Microprocessors - General approach

Author: Dominique HOUZET

Publication date: August 10, 2012

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2. Microprocessor classification

2.1 General structure

A microprocessor integrates the processing unit function and possibly other functions on a single chip. As an introduction to this paragraph, we will briefly present and comment on the internal structure of a generic microprocessor (figure 3 ).

This microprocessor consists of a number of function blocks:

  • the ALU (Arithmetic and Logic Unit), which also includes the working registers;

  • the vector unit for processing integer arrays ;

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