The three key areas of difference between microprocessors and microcontrollers are hardware structure, application area, and instruction set characteristics.

The microcontroller is used for electronic automation in devices such as consumer electronic products, medical instruments, and process-control instruments. On the other hand, a microprocessor is a ...

The microcontroller incorporates the CPU and additional circuits in an integrated circuit chip to make a complete microcomputer system, whereas the microprocessor is a single-chip CPU.