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Saturday, September 24, 2011

What differences between microprocessor and micro controller

differences between microprocessor and micro controller

In Microprocessor more op-codes, few bit handling instructions. But in Microcontroller: fewer op-codes, more bit handling Instructions, and also it is defined as a device that includes micro processor, memory, & input / output signal lines on a single chip.

   The difference between microprocessor and microcontroller is the processor which can perform only software like operations it cannot control any parameters.hence the microcontroller will do that job.
                     In computers we are using the microprocessor and in industrial controls we are using microcontroller.

The microprocessor is the integration of a number of useful functions into a single IC package. 

These functions are: The ability to execute a stored set of instructions to carry out user defined tasks. The ability to be able to access external memory chips to both read and write data from and to the memory. 

Basically, a microcontroller is a device which integrates a number of the components of a microprocessor system onto a single microchip. 
So a microcontroller combines onto the same microchip : The CPU core Memory (both ROM and RAM) Some parallel digital I/O Essentially, a microcontroller is obtained by integrating the key components of microprocessor,RAM, ROM, and Digital I/O onto the same chip die. Modern microcontrollers also contain a wealth of other modules such as Serial I/O, Timers, and Analogue to Digital Converters.

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