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Microcontroller Intruduction doc/pdf download

Microcontroller     A microcontroller is a small, low-cost and self contained computer-on-a-chip that can be used as an embedded system. A few microcontrollers may utilize four-bit expressions and work at clock rate frequencies, which usually include: ·          An 8 or 16 bit microprocessor. ·          A little measure of RAM. ·          Programmable ROM and flash memory. ·          Parallel and serial I/O. ·          Timers and signal generators ·          Analog to Digital and Digital to Analog conversion Microcontrollers usually must have low-power requirements since many devices they control are battery-operated. Microcontrollers are used in many consumer electronics, car engines, computer peripherals and test or measurement equipm...