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Embedded System Basics

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EMBEDDED SYSTEM BASICS AND APPLICATION Muthayammal Engineering College, Rasipuram-637 408. M.MURUGANANDAM Asst. Professor/EEE
TOPICS TO BE DISCUSSED   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
INTRODUCTION What is a system? A system is a way of working, organizing or doing one or many tasks according to a fixed plan, program or set of rules. A system is also an arrangement in which all its units assemble and work together according to the plan or program.
SYSTEM EXAMPLES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SYSTEM EXAMPLES WASHING MACHINE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
EMBEDDED SYSTEM Definition: An Embedded System is one that has computer hardware with software embedded in it as one of its important components.   SOFTWARE PROGRAM #include <16f876a.h> #use delay (clock=20000000) #byte PORTB=6 main() { set_tris_b(0); portb=255;        //decimal delay_ms(1000); portb=0x55;        //hexadecimal delay_ms(1000); portb=0b10101010;  //binary delay_ms(500); } Its software embeds in ROM (Read Only Memory). It does not need secondary memories as in a computer HARDWARE

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Embedded System Basics

  • 1. EMBEDDED SYSTEM BASICS AND APPLICATION Muthayammal Engineering College, Rasipuram-637 408. M.MURUGANANDAM Asst. Professor/EEE
  • 2.
  • 3. INTRODUCTION What is a system? A system is a way of working, organizing or doing one or many tasks according to a fixed plan, program or set of rules. A system is also an arrangement in which all its units assemble and work together according to the plan or program.
  • 4.
  • 5.
  • 6. EMBEDDED SYSTEM Definition: An Embedded System is one that has computer hardware with software embedded in it as one of its important components. SOFTWARE PROGRAM #include <16f876a.h> #use delay (clock=20000000) #byte PORTB=6 main() { set_tris_b(0); portb=255;        //decimal delay_ms(1000); portb=0x55;        //hexadecimal delay_ms(1000); portb=0b10101010;  //binary delay_ms(500); } Its software embeds in ROM (Read Only Memory). It does not need secondary memories as in a computer HARDWARE
  • 7. COMPUTER HARDWARE A Microprocessor A Large Memory (Primary and Secondary) (RAM, ROM and caches) Input Units (Keyboard, Mouse, Scanner, etc.) Output Units (Monitor, printer, etc.) Networking Units (Ethernet Card, Drivers, etc.) I/O Units (Modem, Fax cum Modem, etc.)
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  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
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  • 17.
  • 18.
  • 19. HISTORY OF MICROPROCESSOR 1st Generation (4 bit processors) 4004 and 4040 4 bit in early 1970 by Intel (Integrated Electronics) 2nd Generation (8 bit processors) 8008 and 8080 8 bit in 1974 Intel with +5 V Input supply 8080  8085 8 bit 3rd Generation (16 bit processors) 8086 16 bit. Same as 8086, the 8088 introduced 8088 has only 8 bit data bus (This made it easier to interface to the common 8 bit peripheral devices available at the time) Followed by: The 80186 & 80286 (16 bit processor), the 80386 & 80486 (a 32 bit processor), leading to the Pentium range of microprocessors (64 bit processors) available today. The 80x86 and Pentium processors have all been designed for use in personal computer type applications and have large memory maps.
  • 20.
  • 21.
  • 22.
  • 23. MICROPROCESSOR Vs MICROCONTROLLER They are used for designing application specific dedicated systems It is used for designing general purpose digital computers system Rapid movements of code and data within MC Rapid movements of code and data between external memory & MP Many type of bit handling instruction Bit handling instruction is less, One or two type only It includes functional blocks of microprocessors & in addition has timer, parallel i/o, RAM, EPROM, ADC & DAC The functional blocks are ALU, registers, timing & control units MICROCONTROLLER MICROPROCESSOR
  • 24.
  • 25.
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  • 27.
  • 28.
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  • 31.
  • 32.
  • 33. M.MURUGANANDAM AP/EEE [email_address] 9965768327 Learn by Doing Excel Thru Experimentation Lead by Example Acquire skills and get employed Update skills and stay employed THANK YOU