paper on microprocessors and microcontrollers .doc (Paper Presenation)

Abstract:

The microprocessor world is becoming more complicated. While the item processor was solely used for the central processing unit, this has changed through the last years as a heart of a computational machine. PC microprocessor design grows more complex with each generation, and CPU packaging keeps changing to provide room for additional features and operating requirements. Each new processor has brought higher performance and spawned new technology.

A device that integrates the functions of the CPU of a computer unto one semiconductor chip or integrated circuit(IC) is a microprocessor. That means, a microprocessor contains the core elements of a computer system, its computation and control engine. A microprocessor in addition to input/output and storage devices such as power supply, memory, peripheral interface ICs, and peripherals can build a complete computer system.

A microcontroller is a type of microprocessor emphasizing high integration, low power consumption, self-sufficiency and cost-effectiveness, in contrast to a general purpose microprocessor. In addition to the usual arithmetic and logic elements of a general purpose microprocessor, the microcontroller typically integrates additional elements such as read-write memory for data storage, read-only memory, such as flash for code storage, EEPROM for permanent data storage, peripheral devices, and input/output interfaces. They consume relatively less power, and will generally have ability to sleep while waiting for an interesting peripheral event such as a button press to wake them up again to do something. Power consumption while sleeping will be very low of the

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