What is a Microcontroller and uses at Embedded
What is a Microcontroller?
A microcontroller (sometimes abbreviated μC or MCU) is
a small computer on a single IC containing a processor core, memory, and
programmable input/output peripherals.
:-It is a decision making device used widely in
embedded systems and all intelligent devices.
Difference between Microcontroller
and Microprocessor
- Microcontroller has I/O ports, Memory, timers etc
all integrated on chip itself.
- In Microprocessors, I/O ports, memory, timer etc are
to be connected externally.
•Full fledged PC!
•ROM, RAM, Flash, CPU, ALU, on-chip peripherals
•Lower resources
•Separated units
•Higher resources
•MCU – (everything in point 2).
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