Basics of Micro-controllers


Microcontroller is a single chip micro computer made through VLSI fabrication. A microcontroller also called an embedded controller because the microcontroller and its support circuits are often built into, or embedded in, the devices they control. A microcontroller is available in different word lengths like microprocessors (4bit,8bit,16bit,32bit,64bit and 128 bit microcontrollers are available today).

  • Short-form of Micro-Controller is MCU.
  • It is a small computer (SoC) on a single integrated circuit ,It contains a processor core, memory, and programmable input/output peripherals.
  • Microcontrollers are used in automatically controlled products and devices, such as automobile engine control systems, implantable medical devices, remote controls, office machines, appliances, power tools, toys and other embedded systems.
  • It is simple computer used as brain of future systems
  • There are different Microcontroller like

  1. ARM7
  2. AVR
  3. PIC
  4. 8051

A microcontroller basically contains one or more following components:
  • Central processing unit(CPU)
  • Random Access Memory)(RAM)
  • Read Only Memory(ROM)
  • Input/output ports
  • Timers and Counters
  • Interrupt Controls
  • Analog to digital converters
  • Digital  analog converters
  • Serial interfacing ports
  • Oscillatory circuits
For more information on microcontrollers



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