Microcontroller - MCU

15 Jul 2022 11:49:45 GMT

Microcontroller Unit (MCU)

Microcontroller Unit (MCU), also known as Single-Chip Microcomputer, is a chip-level computer that integrates peripheral interfaces such as memory, Timer, USB, A/D conversion, UART, PLC, DMA, etc., and even LCD driver circuits onto a single chip. It appropriately reduced the frequency and specifications of the central processing unit (CPU) and functions as a controller for different applications.

Microcontrollers can be classified into different groups from different aspects.

Width of the data bus

8-bit, 16-bit and 32-bit MCU


External Memory MCU

Embedded Memory MCU

Instruction Set

CISC(Complex Instruction Set Computer

RISC(Reduced Instruction Set Computer)

Memory Architecture

Harvard Memory Architecture MCU

Princeton Memory Architecture MCU

After more than 20 years of development, its cost is getting lower with stronger performance and thus is applied in various fields. In mobile phones, PC peripherals, remote controls, automotive electronics, industrial stepper motors, robotic arm control, etc., MCU are always observed.

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