Summer training in Embedded System

An embedded system is a combination of hardware and software which creates a dedicated computer system that performs specific, pre-defined tasks and which is encapsulated within the device it controls . Embedded systems can be found in an enormous range of electrical items ranging from simple, inexpensive products such as digital watches to expensive, complex products such as automobiles. Features of Embedded Systems The versatility of the embedded computer system lends itself to utility in all kinds of enterprises, from the simplification of deliverable products to a reduction in costs in their development and manufacture. Simplification, Miniaturisation and Cost Reduction Embedded systems are designed to perform simple, repeatable tasks - often with little or no input from the user. Since the first microprocessor was introduced into pocket calculators there has been a concerted drive to reduce the size and complexity of computerised systems in electronic devices. Embedded systems are based on the concept of the microcontroller, a single integrated circuit that contains all the technology required to run an application. Microcontrollers make integrated systems possible by combining several features together into what is effectively a complete computer on a chip, including: * Central Processing Unit * Input/Output interfaces (such as serial ports) * Peripherals (such as timers) * ROM, EEPROM or Flash memory for program storage * RAM for data storage * Clock generator By integrating all of these features into a single chip it is possible to greatly reduce the number of chips and wiring necessary to control an electronic device, dramatically reducing its complexity, size and cost. Uses of Embedded Systems There are endless uses for embedded systems in consumer products, with new methods of exploiting them presented every year at such industry events as the MEDC and the Embedded Systems Conference. The most obvious beneficiaries are those enterprises concerned with the manufacture and sale of electrical devices, as the inclusion of microcontrollers to replace general purpose microprocessors can drive down unit manufacturing costs and end user prices dramatically, resulting in increased sales and an improved profit margin.

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