Microcontrollers | 8 Bit, 16 Bit & 32 Bit Pic MCUs | RS
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    Microcontrollers

    Microcontrollers, also referred to as MCUs (microcontroller units), are embedded semiconductor devices used in circuit board design. They are essentially a computer within an integrated circuit (IC). Microcontrollers are mostly used in single-function embedded applications, unlike microprocessors which are designed for general-purpose work in Personal Computers, Tablets and Smartphones. Microcontrollers are limited in their clock speed compared to microprocessors by the relative slowness of their non-volatile Flash program memory. Learn more in our microcontrollers guide.

    What are Microcontrollers made up of?

    Microcontrollers contain single or multiple processors, plus memory and I/O peripherals. These peripherals include timers, ADCs (analogue-to-digital converters) and DACs (digital-to-analogue converters).

    What does 8-bit mean?

    Microcontrollers have a data bus width which describes the amount of data the MCU can process at a time. For example, an 8-bit microcontroller can process 8 bits at one time. Popular data bus widths include 8-bit, 16-bit and 32-bit MCUs.

    What packages are available for Microcontrollers?

    MCUs come in standard chip packages with various pin counts. Package types include:

    • LQFP
    • PDIP
    • QFN
    • SOIC
    • SSOP
    • TQFP
    • TSSOP

    What are ARM processor cores?

    Microcontrollers often contain an ARM microprocessor core. ARM represents an architecture developed by ARM Holdings, which is used by other companies to manufacture microprocessors and other devices such as System-on-Chip (SoCs).

    • Cortex-M0
    • Cortex-M0+
    • Cortex-M1
    • Cortex-M3
    • Cortex-M4
    • Cortex-M7
    • Cortex-M23
    • Cortex-M33
    • Cortex-M35P

    Where are microcontrollers used?

    MCUs can be found in many technologies and any electronic device containing a sensor, a display, a user interface and a programmable output control or actuator is likely to feature an MCU. They can be found in the following areas:

    • Computers
    • Automotive
    • Robotics
    • Automation
    • Medical equipment
    • Home appliances
    • IoT devices

    10706 Products showing for Microcontrollers

    Microchip
    PIC12
    SOIC
    Surface Mount
    8
    PIC
    8bit
    512 x 12 words
    4MHz
    25 B
    0
    -
    0
    0
    0
    0
    0
    2 → 5.5 V
    Microchip
    ATtiny13
    SOIC
    Surface Mount
    8
    AVR
    8bit
    1 kB
    20MHz
    64 B
    0
    1
    1
    0
    0
    0
    0
    1.8 → 5.5 V
    Microchip
    ATtiny404
    SOIC
    Surface Mount
    14
    AVR
    8bit
    4 kB
    20MHz
    256 B
    0
    -
    1
    0
    1
    1
    0
    1.8 → 5.5 V
    Microchip
    PIC16F
    SPDIP
    Through Hole
    28
    PIC
    8bit
    256 x 8 words, 8K x 14 words
    4MHz
    368 B
    0
    2
    1
    0
    1
    0
    1
    4 → 5.5 V
    Microchip
    PIC16F
    PDIP
    Through Hole
    14
    PIC
    -
    -
    -
    -
    -
    -
    1
    0
    1
    -
    -
    -
    STMicroelectronics
    STM32L4+
    LQFP
    Surface Mount
    100
    ARM Cortex M4
    32bit
    2 MB
    120MHz
    640 kB
    1
    2 x 16 bit
    3
    1
    4
    6
    3
    3.6 (Maximum) V
    Microchip
    ATmega
    TQFP
    Surface Mount
    44
    AVR
    8bit
    32 kB
    16MHz
    2.5 kB
    1
    1 x 8 bit
    2
    0
    1
    1
    1
    2.7 → 5.5 V
    Silicon Labs
    C8051F
    TQFP
    Surface Mount
    100
    8051
    8bit
    128 kB
    50MHz
    8.448 kB
    0
    6
    1
    0
    1
    2
    0
    2.7 → 3.6 V
    STMicroelectronics
    STM32F4
    UFQFPN
    Surface Mount
    48
    ARM Cortex M4
    32bit
    128 kB
    84MHz
    64 kB
    1
    8 x 16/32 bit
    7
    0
    3
    0
    3
    1.8 V
    Microchip
    PIC16F
    PLCC
    Surface Mount
    44
    PIC
    8bit
    256 x 8 words, 8K x 14 words
    20MHz
    368 B
    0
    2
    1
    0
    1
    0
    1
    4 → 5.5 V
    Microchip
    ATtiny13
    SOIC
    Surface Mount
    8
    AVR
    8bit
    1 kB
    20MHz
    64 B
    0
    1
    1
    0
    0
    0
    0
    1.8 → 5.5 V
    Microchip
    PIC16F
    PDIP
    Through Hole
    8
    PIC
    8bit
    3.5 kB
    32MHz
    256 B
    0
    1 x 10 bit
    -
    -
    -
    -
    -
    2.3 → 5.5 V
    Microchip
    PIC18
    TQFP
    Surface Mount
    44
    PIC
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Microchip
    ATtiny85
    PDIP
    Through Hole
    8
    AVR
    8bit
    8 kB
    20MHz
    512 B
    0
    1
    1
    0
    1
    0
    0
    2.7 → 5.5 V
    Microchip
    PIC18
    TQFP
    SMD, Surface Mount
    80
    PIC
    8bit
    32 kB
    80MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Zilog
    Z8 Encore! XP
    SOIC
    Surface Mount
    28
    Z8
    8bit
    8 kB
    20MHz
    1 kB
    0
    1 x 16 bit
    1
    0
    1
    1
    0
    2.7 → 3.6 V
    Microchip
    ATtiny13A
    SOIC
    Surface Mount
    8
    AVR
    8bit
    1 kB
    20MHz
    64 B
    0
    1 x 8 bit
    1
    0
    0
    0
    0
    5.5 (Maximum) V
    STMicroelectronics
    STM32F4
    LQFP
    Surface Mount
    64
    ARM Cortex M4
    32bit
    1.024 MB
    168MHz
    4 kB, 192 kB
    1 x Device, 1 x Host, 1 x OTG
    1 x 16 bit
    3
    2
    3
    2
    4
    1.8 → 3.6 V
    Microchip
    PIC16LF
    PDIP
    Through Hole
    40
    PIC
    8bit
    14 kB
    32MHz
    1.024 kB
    0
    2
    2
    0
    2
    1
    1
    2.3 → 5.5 V
    Zilog
    Z8 Encore! XP
    SOIC
    Surface Mount
    28
    Z8
    8bit
    8 kB
    20MHz
    1 kB
    0
    1 x 16 bit
    1
    0
    1
    1
    0
    2.7 → 3.6 V
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