Compare microprocessor and microcontroller
Application
Microprocessor - Computer, Mobile phone, calculator
Microcontroller - washing machine, microwave oven
Microprocessor
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Microcontroller
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Do not have inbuilt RAM or ROM
|
Inbuilt RAM or ROM
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Do not have inbuilt Timer
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Inbuilt Timer
|
I/O Ports are not available, it required 8255 for interfacing
|
I/O Ports are available
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Do not have inbuilt serial port, it required extra devices like 8251.
|
Inbuilt serial port
|
Program and data are stored in same memory.
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Separate memory to store program and data
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Boolean operation is not possible directly
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Boolean operation is possible
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Many instruction to access external memory access.
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Few instructions for external memory access
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Less multifunction pins on the IC |
Many multifunction pins on the IC
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