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

    11805 Produkter som visas för Microcontrollers

    Renesas Electronics
    RL78/G13
    HWQFN
    Surface Mount
    32
    RL78
    16bit
    128 kB
    32MHz
    12 kB
    0
    0
    -
    -
    -
    -
    -
    1.6 → 5.5 V
    Renesas Electronics
    RX651
    QFP
    Surface Mount
    176
    RXv2
    32bit
    32 kB
    120MHz
    640 kB
    1
    -
    16
    2
    16
    13
    0
    2.7 → 3.6 V
    STMicroelectronics
    STM32H7
    LQFP
    Surface Mount
    144
    ARM Cortex M7
    32bit
    1.024 MB
    550MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Renesas Electronics
    RA4T1
    QFP
    Surface Mount
    64
    ARM Cortex M33
    32bit
    4 KB
    100MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Renesas Electronics
    S7G2
    LQFP
    Surface Mount
    176
    ARM Cortex M4
    32bit
    4 MB
    240MHz
    640 kB
    1
    1 x 32 bit
    2
    2
    3
    2
    0
    2.7 → 3.6 V
    Microchip
    PIC16F
    SOIC
    Surface Mount
    20
    PIC
    8bit
    8192 words
    20MHz
    512 B
    0
    4 x 10 bit
    1
    0
    1
    0
    1
    2.3 → 5.5 V
    Microchip
    PIC16F
    QFN
    Surface Mount
    16
    PIC
    8bit
    256 B, 2K x 14 words
    32MHz
    128 B
    0
    1
    1
    0
    1
    0
    1
    1.8 → 5.5 V
    Microchip
    PIC16F
    SSOP
    Surface Mount
    20
    PIC
    8bit
    2048 words
    20MHz
    128 B
    0
    -
    1
    0
    1
    0
    0
    2 → 5.5 V
    Microchip
    PIC24FJ
    TQFP
    Surface Mount
    64
    PIC
    16bit
    128 kB
    32MHz
    8 kB
    0
    7 x 16 bit
    2
    0
    2
    4
    0
    2 → 3.6 V
    Renesas Electronics
    RA6M2
    LQFP
    Surface Mount
    144
    ARM Cortex M4
    32bit
    512 kB
    120MHz
    384 kB
    1
    -
    2
    2
    2
    1
    0
    2.7 → 3.6 V
    STMicroelectronics
    STM32
    WLCSP
    -
    208
    -
    32bit
    4 Mbyte
    160MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    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
    STMicroelectronics
    Arm Cortex M0+
    UFBGA
    Surface Mount
    64
    ARM Cortex M0+
    -
    256 KB
    56MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Microchip
    PIC24EP
    TQFP
    Surface Mount
    100
    PIC
    16bit
    536 kB
    70MHz
    52 kB
    1
    -
    4
    2
    2
    4
    0
    3 → 3.6 V
    Renesas Electronics
    RX110
    LFQFP
    Surface Mount
    64
    RX
    32bit
    16 kB
    32MHz
    8 kB
    0
    0
    -
    -
    -
    -
    -
    1.8 → 3.6 V
    Microchip
    PIC16F
    QFN
    Surface Mount
    28
    PIC
    8bit
    7.168 kB, 256 B
    20MHz
    368 B
    0
    1 x 10 bit
    1
    0
    1
    0
    1
    4 → 5.5 V
    Microchip
    ATtiny2313
    SOIC
    Surface Mount
    20
    AVR
    8bit
    2 kB
    20MHz
    128 B
    0
    1
    2
    0
    0
    0
    1
    2.7 → 5.5 V
    Microchip
    ATtiny26
    VQFN
    Surface Mount
    32
    AVR
    8bit
    2 kB
    8MHz
    128 B
    0
    1
    1
    0
    1
    0
    0
    2.7 → 5.5 V
    Microchip
    AT89
    PDIP
    Through Hole
    40
    8051
    8bit
    8 kB
    24MHz
    256 B
    0
    0
    0
    0
    0
    1
    -
    4 → 5.5 V
    STMicroelectronics
    STM32G0
    LQFP
    Surface Mount
    100
    ARM Cortex M0+
    32bit
    512 kB
    64MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
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