Microcontroller - introduction to microprocessors , Electrical Engineering

Microcontroller

Microcontroller  is also known  as computer  on a chip  this  includes basic  features of microprocessor (ALU Registers  and control circuits ) with  1 k to 2k  bytes of ROM  small RAM  few input / output ports etc on a  signal  chip to make it  a complete  computer.  They are primarily used for  small  specific applications  like traffic light control  programmable washing machines toys etc.  Few  examples of microcontrollers are Intel 8048 Intel  8051 Motorola  6805. Motorola 68HC11intel8051 microcontroller is discussed in detail in chapter12.

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