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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

    10595 產品顯示為 Microcontrollers

    个 (以每盘装提供)
    HK$102.09
    Microchip
    ATSAMD51
    TQFP
    Surface Mount
    100
    ARM Cortex M4
    32bit
    1 MB
    120MHz
    256 kB
    1
    1
    6
    2
    6
    0
    2
    1.71 → 3.6 V
    • RS庫存編號 333-687P
    • 製造零件編號 STM32U375CGU6Q
    个 (以每盘装提供)
    HK$43.29
    STMicroelectronics
    -
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    -
    -
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    -
    -
    -
    -
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    -
    -
    -
    -
    -
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    -
    个 (以每管裝提供)
    HK$58.435
    Microchip
    AT89C51
    PLCC
    Surface Mount
    44
    8 bit CPU
    8bit
    16 kB
    60MHz
    256 B
    -
    1 x 8 bit
    1
    0
    -
    1
    -
    5 V
    个 (以每管裝提供)
    HK$13.148
    Microchip
    PIC16F
    UQFN
    Surface Mount
    48
    PIC
    8bit
    28 kB
    32MHz
    2 kB
    0
    1 x 10 bit
    2
    0
    2
    2
    2
    5.5 V
    • RS庫存編號 396-954P
    • 製造零件編號 MC9S08QD4CSC
    个 (以每管裝提供)
    HK$18.36
    NXP
    HCS08
    SOIC
    Surface Mount
    8
    S08
    8bit
    4 kB
    16MHz
    256 B
    0
    2 x 16 bit
    0
    0
    0
    0
    0
    2.7 → 5.5 V
    • RS庫存編號 400-390P
    • 製造零件編號 PIC16F886-I/SS
    个 (以每管裝提供)
    HK$23.80
    Microchip
    PIC16F
    SSOP
    Surface Mount
    28
    PIC
    8bit
    8192 words
    20MHz
    368 B
    0
    2 x 10 bit
    1
    0
    1
    1
    1
    2 → 5.5 V
    • RS庫存編號 265-102P
    • 製造零件編號 ML62Q2702-NNNTBZWBY
    个 (以每卷裝提供)
    HK$18.25
    ROHM
    ML62Q2702
    TQFP
    Surface Mount
    48
    16 bit MCU
    16bit
    64 kByte
    25MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    个 (以每盘装提供)
    HK$71.90
    Microchip
    AVR XMEGA
    TQFP
    Surface Mount
    64
    AVR
    8 bit, 16bit
    256 + 8 kB
    32MHz
    16 kB
    1
    1
    10
    0
    2
    7
    7
    1.6 → 3.6 V
    个 (以每卷裝提供)
    HK$22.48
    STMicroelectronics
    STM32
    LQFP
    Surface Mount
    48
    ARM Cortex M0+
    -
    256 kbyte
    56MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    个 (以每管裝提供)
    HK$34.63
    Microchip
    PIC18F
    SSOP
    Surface Mount
    28
    PIC
    8bit
    64 kB
    48MHz
    3.776 kB
    1 x Device
    2 x 16 bit
    2
    0
    2
    0
    2
    2.15 → 3.6 V
    个 (以每管裝提供)
    HK$18.126
    Microchip
    PIC
    UQFN
    Surface Mount
    48
    PIC
    16bit
    64 kB
    32MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    个 (以每卷裝提供)
    HK$36.10
    STMicroelectronics
    STM32
    LQFP
    Surface Mount
    64
    ARM Cortex M0+
    -
    256 Kbyte
    64MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 333-646P
    • 製造零件編號 STM32N657A0H3QTR
    个 (以每卷裝提供)
    HK$152.36
    STMicroelectronics
    -
    -
    -
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    -
    个 (以每管裝提供)
    HK$9.00
    Microchip
    PIC12F
    SOIC
    Surface Mount
    8
    PIC
    8bit
    1024 x 14 words
    20MHz
    64 B
    0
    1 x 10 bit
    0
    0
    0
    0
    0
    2 → 5.5 V
    • RS庫存編號 264-8103P
    • 製造零件編號 PIC18F45Q10-I/PT
    个 (以每盘装提供)
    HK$13.148
    Microchip
    PIC18
    TQFP
    Surface Mount
    44
    PIC
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 264-8061P
    • 製造零件編號 PIC18F24Q10-I/SO
    个 (以每管裝提供)
    HK$9.262
    Microchip
    PIC18
    SOIC
    Surface Mount
    28
    PIC
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    个 (以每管裝提供)
    HK$16.416
    Microchip
    PIC18LF
    QFN
    Surface Mount
    28
    PIC
    8bit
    128 kB
    64MHz
    3.615 kB
    0
    1 x 10 bit
    2
    0
    2
    2
    2
    5.5 (Maximum) V
    • RS庫存編號 521-4131P
    • 製造零件編號 LPC2138FBD64/01,11
    个 (以每卷裝提供)
    HK$170.80
    NXP
    LPC21
    LQFP
    Surface Mount
    64
    ARM7TDMI-S
    16 bit, 32bit
    512 kB
    60MHz
    32 kB
    0
    1
    2
    0
    2
    0
    0
    3 → 3.6 V
    个 (以每卷裝提供)
    HK$26.35
    STMicroelectronics
    STM8
    LQFP
    Surface Mount
    32
    8 bit MCU
    8bit
    32 Kbyte
    16MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 258-1737P
    • 製造零件編號 XMC1302T038X0064ABXUMA1
    个 (以每卷裝提供)
    HK$17.10
    Infineon
    XMC1000
    TSSOP
    Surface Mount
    38
    ARM Cortex M0
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
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