Lecture 2 Microprocessor Overview

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Presentation transcript:

Lecture 2 Microprocessor Overview Hong, You Pyo @ DGU

BIOS (Basic Input Output System) Software System Software : Operating System or Software to Run Application Software : Software Used by End-Users such as Word-processor, Game, etc. BIOS (Basic Input Output System) OS Application Software Hardware

Microprocessor Classification RISC vs. CISC Von Neumann vs. Havard Architecture

CISC Large number of instructions- typically over 200 Various addressing mode – 5 ~ 20 modes Sometimes various length commands are supported

RISC Relatively fewer instructions and addressing modes Memory access is limited to load and store. Single cycle instruction can be supported. Typically hardwired controller is used

Von Neumann Architecture Program and data shares the same memory. Typically CISC(Complex Instruction Set Computer) type Intel x86 CPU Address Program And Data Data

Havard Architecture Dedicated memory for instruction and data Typically RISC(Reduced Instruction Set Computer) type Motorola (Apple) and IBM PowerPC Program Data

Microprocessor History 제조회사 마이크로 프로세서 Intel Pentium PentiumDual PentiumQuad Motorola PowerPC TI 등 DSPs ARM Modern Microprocessor Classical Microprocessor