Embedded System
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An embedded system is a combination of hardware and software that forms a component of a larger machine. It is designed to run without human intervention and may need to respond to events in real time. Examples include microprocessors that control engines in automobiles. Embedded systems are used in a wide range of applications from consumer electronics like TVs and washing machines to industrial systems like medical equipment, office machines, tools, transportation, and building systems. Microcontrollers are commonly used as embedded systems and contain a CPU, memory, and input/output capabilities on a single chip.
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- The typical architecture of an embedded system includes a central processing unit, memory, input/output devices, communication interfaces, and application-specific circuitry running embedded software. Smaller systems may not require an operating system.
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This document provides an overview of embedded systems. It defines an embedded system as having computer hardware with application software and an real-time operating system embedded within it. Embedded systems typically consist of custom hardware built around a CPU, software stored on memory chips, and an OS that runs applications. Common components include processors, memory, input/output devices, communication interfaces, and application-specific circuits. Embedded systems are found in devices like consumer appliances, industrial equipment, medical devices, networking gear, and more, performing specialized tasks in real-time.
Presentation1
Embedded systems combine hardware and software to form components of larger machines that run autonomously without human intervention and may need to respond to events in real time. Embedded systems are used across many industries like automobiles, medical equipment, telecommunications, consumer electronics, and home automation to control lights, climate, security and more through sensing and automation. They employ embedded devices for functions like switching telephone networks, running mobile phones, and controlling features in devices like cameras, DVD players, and printers.
Classification of Computers ; Computers Impact on Society
In this slide, I have discussed about the classifications of computer such as digital computer, analog computer, hybrid computer. And I have also discussed about the impact of computer on our society.
Embedded System Real Time Operating System (ERTS) I unit by vijay
The document discusses embedded systems and provides examples. It defines embedded systems as electronic systems designed to perform specific functions and consisting of both hardware and software. A key early example was the Apollo Guidance Computer, which automatically controlled the Apollo spacecraft. The document also outlines common applications of embedded systems, components like sensors and microcontrollers, and functions like data processing and control.
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Embedded System
- 3. 1.1 Definition1.1 Definition Definition for: embedded system A combination of hardware and software which together form a component of a larger machine. An example of an embedded system is a microprocessor that controls an automobile engine. An embedded system is designed to run on its own without human intervention, and may be required to respond to events in real time.
- 5. Application AreasApplication Areas• TV • stereo • remote control • phone / mobile phone • refrigerator • microwave • washing machine • electric tooth brush • oven / rice or bread cooker • watch • alarm clock • electronic musical instruments • electronic toys (stuffed animals, handheld toys, pinball's, etc.) • medical home equipment (e.g. blood pressure, thermometer) • [PDAs?? More like standard computer system] Consumer Products
- 6. Application AreasApplication Areas Medical Systems pace maker, patient monitoring systems, injection systems, intensive care units, … Office Equipment printer, copier, fax, … Tools multimeter, oscilloscope, line tester, GPS, … Banking ATMs, statement printers, … Transportation (Planes/Trains/[Automobiles] and Boats) radar, traffic lights, signalling systems, …
- 7. Application AreasApplication Areas Automobiles engine management, trip computer, cruise control, immobilizer, car alarm, airbag, ABS, ESP, … Building Systems elevator, heater, air conditioning, lighting, key card entries, locks, alarm systems, … Agriculture feeding systems, milking systems, … Space satellite systems, …
- 13. MicrocontrollersMicrocontrollers Microprocessor CPU (on single chip) Microcontroller CPU + Timers + I/O (+RAM) (+ROM) Reduced chip count for board design Embedded system Today’s Technology: Surface Mount Device (SMD) Ball Grid Array (BGA)
- 14. ROMROM
- 15. RAMRAM
- 16. AddressAddress
- 17. Required to communicate with outside world PC System: Keyboard Monitor Parallel port (printer port) Serial port + USB Embedded System: Sensors (e.g. in automobile: acceleration sensor, seat sensor) Actuators (e.g. in automobile: valves for airbags) Input and OutputInput and Output
- 18. Input and OutputInput and Output Input / output device implementation can be: • Memory-mapped • I/O mapped (ports) • DMA (direct memory access)