Embedded System4
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A PRESENTATION On
October 22, 2008
Anil Arora
10/05
Dheer Singh Chouhan
45/05
Powerfest'08
1
What is an Embedded System? Combination of hardware and software Mechanical part included Designed for a dedicated function Can be a part of larger system
October 22, 2008
Powerfest'08
2
History Intel’s 4004 chip for a business calculator in 1971 In 1980 microprocessor based embedded system came In 1992,PC/104 founded by Ampro, RTD Appolo guidance computer is developed by charles draper at MIT instrumentation lab. October 22, 2008
Powerfest'08
3
Components of embedded system Computational/ Processing Power Memory Real-time system Communication Elements Microprocessor/microcontroller
October 22, 2008
Powerfest'08
4
Microprocessor Controlling unit Processing unit
October 22, 2008
Powerfest'08
5
Microcontroller A microcontroller is an entire computer manufactured on a single chip.
e.g. intel 8051 October 22, 2008
Powerfest'08
6
The 8051 Microcontroller: The 8051 is the first microcontroller introduced by Intel Corporation at the end of the 1970’s. Internal architecture The 8051 family characteristics: 4K Bytes ROM 128 Bytes RAM two timer/counters (16 bit) A serial port 4 general purpose parallel input/output port Interrupt controller
October 22, 2008
Powerfest'08
7
Application area of embedded system Automotive electronics Authentication systems Aircraft electronics Telecommunication Trains Consumer electronics Smart buildings Medical systems Military applications
October 22, 2008
Powerfest'08
8
Some typical example Music Systems Card Reader Washing Machine Digital Watch Video Game Player Robotic Arm
October 22, 2008
Powerfest'08
9
Benefits of Embedded System Made life easier Need of man power is decreased
Languages for Embedded Systems Programming is used to control Assembly language till recently Nowadays c, c++, Ada, java C language is preferred October 22, 2008
Powerfest'08
10
Design issue of Embedded System Environmental assumption Available hardware, memory uses, safety, error handling Real-time behavior Protocol selection correctness and reliability
October 22, 2008
Powerfest'08
11
Limitations Complexity Testing Predictability Specification Domain knowledge Fault tolerance
October 22, 2008
Powerfest'08
12
Future aspects Many household common items will changed into embedded system Embedded systems may used by local network or internet Embedded systems will change the outlook of the world.
October 22, 2008
Powerfest'08
13
Conclusion In 1970 we had a single embedded system and now Nearly 2 billion microprocessor chips are manufactured every year, over 95% go into non-pc embedded system. Disappearing computer-computer everywhere called ubiquitous computing.
October 22, 2008
Powerfest'08
14
A practical example
October 22, 2008
Powerfest'08
15
References Sriram V Iyer, Pankaj Gupta, “Embedded Realtime Systems Programming”, Tata MCGRAW-HILL pg: 4-14 The NetBSD Foundation URL: www.netbsd.org/Misc/embed.html#a1 Embedded Systems for Advertising and Marketing URL: www.ad-mkt-review.com/public_html/tech/esam.html Wikipedia Foundation, Encyclopedia URL: wikipedia.org/wiki/Embedded_system#History URL: www.webopedia.com/TERM/E/embedded_system.html URL:thailand.asinah.net/en/wikipedia/e/em/embedded_system.html Mike McCracker’s in software engineering Seminar URL: http://pbl.cc.gatech.edu/embed/16 URL: www.cs.kun.nl/ita URL: http://www.compapp.dcu.ie/~cdaly/embed/embedsys.html URL: http://www.netrino.com/Books/EmbeddedC/index.html Michael Barr, “Programming Embedded Systems in C and C++”, O’Reilly.
October 22, 2008
Powerfest'08
16
October 22, 2008
Powerfest'08
17
October 22, 2008
Powerfest'08
18
October 22, 2008
Anil Arora
10/05
Dheer Singh Chouhan
45/05
Powerfest'08
1
What is an Embedded System? Combination of hardware and software Mechanical part included Designed for a dedicated function Can be a part of larger system
October 22, 2008
Powerfest'08
2
History Intel’s 4004 chip for a business calculator in 1971 In 1980 microprocessor based embedded system came In 1992,PC/104 founded by Ampro, RTD Appolo guidance computer is developed by charles draper at MIT instrumentation lab. October 22, 2008
Powerfest'08
3
Components of embedded system Computational/ Processing Power Memory Real-time system Communication Elements Microprocessor/microcontroller
October 22, 2008
Powerfest'08
4
Microprocessor Controlling unit Processing unit
October 22, 2008
Powerfest'08
5
Microcontroller A microcontroller is an entire computer manufactured on a single chip.
e.g. intel 8051 October 22, 2008
Powerfest'08
6
The 8051 Microcontroller: The 8051 is the first microcontroller introduced by Intel Corporation at the end of the 1970’s. Internal architecture The 8051 family characteristics: 4K Bytes ROM 128 Bytes RAM two timer/counters (16 bit) A serial port 4 general purpose parallel input/output port Interrupt controller
October 22, 2008
Powerfest'08
7
Application area of embedded system Automotive electronics Authentication systems Aircraft electronics Telecommunication Trains Consumer electronics Smart buildings Medical systems Military applications
October 22, 2008
Powerfest'08
8
Some typical example Music Systems Card Reader Washing Machine Digital Watch Video Game Player Robotic Arm
October 22, 2008
Powerfest'08
9
Benefits of Embedded System Made life easier Need of man power is decreased
Languages for Embedded Systems Programming is used to control Assembly language till recently Nowadays c, c++, Ada, java C language is preferred October 22, 2008
Powerfest'08
10
Design issue of Embedded System Environmental assumption Available hardware, memory uses, safety, error handling Real-time behavior Protocol selection correctness and reliability
October 22, 2008
Powerfest'08
11
Limitations Complexity Testing Predictability Specification Domain knowledge Fault tolerance
October 22, 2008
Powerfest'08
12
Future aspects Many household common items will changed into embedded system Embedded systems may used by local network or internet Embedded systems will change the outlook of the world.
October 22, 2008
Powerfest'08
13
Conclusion In 1970 we had a single embedded system and now Nearly 2 billion microprocessor chips are manufactured every year, over 95% go into non-pc embedded system. Disappearing computer-computer everywhere called ubiquitous computing.
October 22, 2008
Powerfest'08
14
A practical example
October 22, 2008
Powerfest'08
15
References Sriram V Iyer, Pankaj Gupta, “Embedded Realtime Systems Programming”, Tata MCGRAW-HILL pg: 4-14 The NetBSD Foundation URL: www.netbsd.org/Misc/embed.html#a1 Embedded Systems for Advertising and Marketing URL: www.ad-mkt-review.com/public_html/tech/esam.html Wikipedia Foundation, Encyclopedia URL: wikipedia.org/wiki/Embedded_system#History URL: www.webopedia.com/TERM/E/embedded_system.html URL:thailand.asinah.net/en/wikipedia/e/em/embedded_system.html Mike McCracker’s in software engineering Seminar URL: http://pbl.cc.gatech.edu/embed/16 URL: www.cs.kun.nl/ita URL: http://www.compapp.dcu.ie/~cdaly/embed/embedsys.html URL: http://www.netrino.com/Books/EmbeddedC/index.html Michael Barr, “Programming Embedded Systems in C and C++”, O’Reilly.
October 22, 2008
Powerfest'08
16
October 22, 2008
Powerfest'08
17
October 22, 2008
Powerfest'08
18
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