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Differentiate between Microprocessor and Microcontroller.

Subject : Embedded Systems Design

Topic : Fundamentals of Embedded Systems

Difficulty level : Medium

1 Answer
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Microprocessor Microcontroller
It is a general purpose computer CPU. It is a micro computer itself.
Memory, I/O ports, timers, interrupts are not available inside the chip. Memory, I/O ports, timers, interrupts all are integrated inside a microcontroller chip.
The system becomes bulkier and expensive. System is simple, economic and compact.
It has very few pins are programmable. Most of the pins are programmable.
The designer can decide on the amount of ROM, RAM and I/O ports. There is a fixed amount of on-chip ROM, RAM and I/O ports.
It is general purpose. It is single purpose.
It has high processing power. It had low processing power.
It is typically 32/64 bit processor. It is 8/16 bit processor.
It is suited for applications where time and accuracy are critical (PC). It is suited for applications where cost, power and space are critical (ES.)
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