Microcontroller - Types of Microcontrollers

Types of Microcontrollers

See also: List of common microcontrollers

As of 2008 there are several dozen microcontroller architectures and vendors including:

  • ARM core processors (many vendors)
    • includes ARM9, ARM Cortex-A8, Sitara ARM Microprocessor
  • Atmel AVR (8-bit), AVR32 (32-bit), and AT91SAM (32-bit)
  • Cypress Semiconductor's M8C Core used in their PSoC (Programmable System-on-Chip)
  • Freescale ColdFire (32-bit) and S08 (8-bit)
  • Freescale 68HC11 (8-bit)
  • Intel 8051
  • Infineon: 8, 16, 32 Bit microcontrollers
  • MIPS
  • Microchip Technology PIC, (8-bit PIC16, PIC18, 16-bit dsPIC33 / PIC24), (32-bit PIC32)
  • NXP Semiconductors LPC1000, LPC2000, LPC3000, LPC4000 (32-bit), LPC900, LPC700 (8-bit)
  • Parallax Propeller
  • PowerPC ISE
  • Rabbit 2000 (8-bit)
  • Renesas RX, V850, Hitachi H8, Hitachi SuperH (32-bit), M16C (16-bit), RL78, R8C, 78K0/78K0R (8-bit)
  • Silicon Laboratories Pipelined 8-bit 8051 Microcontrollers and mixed-signal ARM-based 32-bit microcontrollers
  • STMicroelectronics STM8 (8-bit), ST10 (16-bit) and STM32 (32-bit)
  • Texas Instruments TI MSP430 (16-bit)
  • Toshiba TLCS-870 (8-bit/16-bit).

Many others exist, some of which are used in very narrow range of applications or are more like applications processors than microcontrollers. The microcontroller market is extremely fragmented, with numerous vendors, technologies, and markets. Note that many vendors sell or have sold multiple architectures.

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