Saturday, July 13, 2013

Comparison between Microprocessor & Microcontroller

Microprocessors                                                                                          Microcontrollers
1It is only a general purpose computer CPUIt is a micro computer itself
2Memory, I/O ports, timers, interrupts are not available inside the chipAll are integrated inside the microcontroller chip
3This must have many additional digital components to perform its operationCan function as a micro computer without any additional components.
4Systems become bulkier and expensive.Make the system simple, economic and compact
5Not capable for handling Boolean functionsHandling Boolean functions
6Higher accessing time requiredLow accessing time
7Very few pins are programmableMost of the pins are programmable
8Very few number of bit handling instructionsMany bit handling instructions
9Widely Used in modern PC  and laptopswidely in small control systems
E.g.INTEL 8086,INTEL Pentium seriesINTEL8051,89960,PIC16F877

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