List of common microcontrollers


This is a list of common microcontrollers listed by brand.

Altera

In 2015, Altera was acquired by Intel, and then spun back out on its own in 2024.

Analog Devices

ARM

While Arm is a fabless semiconductor company, it licenses the ARM architecture family design to a variety of companies.
Those companies in turn sell billions of ARM-based chips per year—12 billion ARM-based chips shipped in 2014,
about
24 billion ARM-based chips shipped in 2020,
some of those are popular chips in their own right.

Atmel

In 2016, Atmel was sold to Microchip Technology.

Cypress Semiconductor

In 2020, Cypress Semiconductor was acquired by Infineon Technologies.

ELAN Microelectronics Corp.

ELAN Microelectronics Corporation is an IC designer and provider of 8-bit microcontrollers and PC Peripheral ICs. Headquartered in Hsinchu Science Park, the Silicon Valley of Taiwan, ELAN's microcontroller product range includes the following:
  • EM78PXXX Low Pin-Count MCU Family
  • EM78PXXX GPIO Type MCU Family
  • EM78PXXXN ADC Type MCU Family
These are clones of the 12- and 14-bit Microchip PIC line of processors, but with a 13-bit instruction word.

EPSON Semiconductor

Espressif Systems

Espressif Systems, a company with headquarters in Shanghai, China made its debut in the microcontroller scene with their range of inexpensive and feature-packed WiFi microcontrollers such as ESP8266.

Freescale Semiconductor

[Image:KL Motorola 68HC11.jpg|thumb|Motorola MC68HC11]
Until 2004, these microcontrollers were developed and marketed by Motorola, whose semiconductor division was spun off to establish Freescale. In 2015, Freescale was acquired by NXP.

Holtek

Holtek Semiconductor is a major Taiwan-based designer of 32-bit microcontrollers, 8-bit microcontrollers and peripheral products. Microcontroller products are centred around an ARM core in the case of 32-bit products and 8051 based core and Holtek's own core in the case of 8-bit products. Located in the Hsinchu Science Park, the company's product range includes the following microcontroller device series:
  • HT32FXX 32-bit ARM core microcontroller series using Cortex-M0+, M3 and M4 cores
  • HT85FXX 8051 Core based microcontroller series
  • HT48FXX Flash I/O type series
  • HT48RXX I/O type series
  • HT46RXX A/D type series
  • HT49RXX LCD type series
  • HT82XX Computer Peripheral series
  • HT95XX Telecom Peripheral series
  • HT68FXX I/O Type Flash series
  • HT66FXX A/D Type Flash series
  • HK32XX 32-bit ARM core series

Hyperstone

  • 32-bit Hyperstone microprocessors: E1, introduced in 1990, and E2, introduced in 2009

Infineon

Infineon offers microcontrollers for the automotive, industrial and multimarket industry., a component based auto code generation free tool, provides faster development of complex embedded projects.

Intel

Lattice Semiconductor

Maxim Integrated

In 2021, Maxim Integrated was acquired by Analog Devices.
  • 8051 Family
  • MAXQ RISC Family
  • Secure Micros Family
  • ARM 922T
  • MIPS 4kSD

Microchip Technology

[Image:PIC microcontrollers.jpg|thumb|PIC microcontrollers]
[Image:Microchip PIC24HJ32GP202.jpg|thumb|PIC24 microcontroller]
Since 2013, Microchip has shipped over 1 billion PIC microcontrollers per year, growing every year.
Microchip produces microcontrollers with three very different architectures:
8-bit PICmicro, with a single accumulator :
  • PIC10 and PIC12: 12-bit instruction words
  • PIC16 series: 14-bit instruction words, one address pointer
  • * PIC16F628 – PIC16F84A is still in production as of April 8, 2022.
  • PIC18 series: 16-bit instruction words, three address pointers
16-bit microcontrollers, with 16 general-purpose registers
  • PIC24: 24-bit instruction words
  • dsPIC: based on PIC24, plus DSP functions, such as a single-cycle MAC into two 40-bit accumulators.
32-bit microcontrollers:

National Semiconductor

NEC

  • 4-bit
  • * 17K
  • * 75X
  • * 75XL
  • 8-bit
  • * 87XL
  • * 87AD
  • 78K Family
  • * 8-bit: 78K/1, 78K/2, 78K/0, 78K0S
  • * 16-bit: 78K/3, 78K/6, 78K/4, 78K0R
  • 32-bit
  • * V60V80
  • * V810/V830
  • * V850

Nordic Semiconductor

Nordic Semiconductor is a company with headquarters in Trondheim, Norway offering low power Bluetooth Low Energy SoCs as well as cellular network connectivity solutions for IoT devices.
  • 32-bit BLE SoCs
  • * NRF51, NRF52, NRF53 Series
  • 32-bit Cellular IoT SIP
  • * NRF91 Series

NXP Semiconductors

Nuvoton Technology

Panasonic

  • 4-bit
  • * MN1400
  • * MN1500
  • * MN1700
  • 8-bit
  • * MN1870
  • * MN1880
  • * AM1
  • 16-bit
  • * AM2
  • 32-bit
  • * AM3, AM32

Parallax

  • Basic Stamp
  • SX
  • * These were formerly made by Ubicom, former Scenix Semiconductor. The SX die has been discontinued by Ubicom. Parallax has accumulated a large stock of the dies and is managing the packaging.
  • * SX-18, 20, 28, 48 and 52 versions
  • Propeller
  • * The Propeller is a 8-core 32-bit microcontroller with 32 KB internal RAM.

Rabbit Semiconductor

  • Rabbit 2000
  • Rabbit 3000
  • Rabbit 4000
  • Rabbit 5000
  • Rabbit 6000

Raspberry Pi Foundation

Renesas Electronics

Renesas is a joint venture comprising the semiconductor businesses of Hitachi, Mitsubishi Electric and NEC Electronics, creating the largest manufacturer in the world.

Redpine Signals

  • RS14100
  • RS13100

Rockwell

Rockwell semiconductors created a line of 6502 based microcontrollers that were used with their telecom chips. Most of their microcontrollers were packaged in a QIP package.
  • R6501
  • R6511
  • R8070

Silicon Laboratories

Manufactures a line of 8-bit 8051-compatible microcontrollers, notable for high speeds and large memories in relatively small package sizes. A free IDE is available that supports the USB-connected ToolStick line of modular prototyping boards. These microcontrollers were originally developed by Cygnal. In 2012, the company introduced ARM-based mixed-signal MCUs with very low power and USB options, supported by free Eclipse-based tools. The company acquired Energy Micro in 2013 and now offers a number of ARM-based 32-bit microcontrollers.

Silicon Motion

  • SM2XX – Flash memory card controllers
  • SM321 – USB 2.0
  • SM323 – USB 2.0
  • SM323E – USB 2.0
  • * Silicon Motion's SM321E and SM324 controllers support SLC and MLC NAND flash from Samsung, Hynix, Toshiba and ST Micro as well as flash products from Renesas, Infineon and Micron. The SM321E is available in a 48-pin LQFP package and a 44-pin LGA package. The SM321E supports up to 4 SLC or MLC NAND flash chips with 4 bytes / 528 bytes ECC
  • SM324 – USB 2.0
  • * Supports dual-channel data transfer at read speeds of 233× and write speeds of 160×, making it the fastest USB 2.0 flash disk controller in the market. The SM324 also has serial peripheral interface which allows for not only Master and Slave modes, but the flexibility to develop more functionality into USB flash disk products such as GPS, fingerprint sensor, Bluetooth and memory-capacity display. The SM324 is available in a 64-pin LQFP package. The SM324 supports 8 SLC or MLC NAND flash chips with 4 bytes / 528 bytes ECC.
  • SM325 – USB 2.0
  • SM330 – USB 2.0
  • SM501, SM502 – Mobile Graphics
  • SM712 – Mobile Graphics
  • SM722 – Mobile Graphics
  • SM340 – MP3/JPEG
  • SM350 – MP3/JPEG
  • SM370 – Image processing

Sony

  • SPC700 series
  • SPC900 series
  • SPC970 series
  • SR110 series

Spansion

Microcontrollers acquired from Fujitsu:
  • F²MC Family
  • FR Family
  • FR-V Family
  • FM3
  • FM4
  • FCR4

STMicroelectronics

Synopsys

While Synopsys does not manufacture or sell chips directly, Synopsys licenses the ARC Processor design to a variety of companies that, as of 2020, ship about 1.5 billion products based on ARC processors per year.

Texas Instruments

The, in particular, provide a high level of community-based, open source support through the TI .

Toshiba

Ubicom

  • IP2022
  • * Ubicom's IP2022 is a high performance 8-bit microcontroller. Features include: 64k flash code memory, 16 KB PRAM, 4 KB data memory, 8-channel A/D, various timers, and on-chip support for Ethernet, USB, UART, SPI and GPSI interfaces.
  • IP3022
  • * IP3022 is Ubicom's latest high performance 32bit processor running at 250 MHz featuring eight hardware threads. It is specifically targeted at Wireless Routers.

WCH

Manufactures a line of full-stack MCUs.
  • Arm based chips
  • * CH32F103
  • * CH32F203
  • * CH32F205
  • * CH32F207
  • * CH32F208
  • * CH56X
  • * CH57X
  • RISC-V based chips
  • * CH32V103
  • * CH32V203
  • * CH32V208
  • * CH32V303
  • * CH32V305
  • * CH32V307

Western Design Center

The Western Design Center licenses the 65C02 and 65816 designs to a variety of companies.
Those companies produce the 6502 in quantities over a hundred million units per year.

Xemics

  • XE8000 8-bit microcontroller family

Xilinx

XMOS

  • XCore XS1 32-bit, Multicore Microcontrollers

ZiLOG

Zilog's microcontroller families, in chronological order:Older:

Sortable table

Company nameNameCPUBitsStatusMax. MHzFlash KBRAM KBPrice @1K USDActive powerSleep powerExternal mem.UARTsSPII2CCANEthernetUSBADCsDACsFeatures
Energy MicroEFM32TG110ARM Cortex-M332Production32324157 μA/MHz @ 32 MHz1 μA22100112× 16-bit timers. 12-bit 1 Msps ADC. 12-bit 500 ksps DAC.
ZilogeZ80Fast Z808/16Production50256161110000Linear addressing up to 16 MB. 3–4× faster than traditional Z80.
Texas InstrumentsMSP430FR2632RISC161682126 μA/MHz<5 μA2110080Capacitive touch MCU with 8 touch IO, 8KB FRAM, 2KB SRAM, 15 IO, 10-bit ADC