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.


What are they made up of?


Microcontrollers contain single or multiple processors (sometimes referred to as CPUs), 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 there?


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?


  • Computers

  • Automotive

  • Robotics

  • Automation

  • Medical equipment

  • Home appliances

...
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รายละเอียดสินค้า / Description ราคา / Price Family Name Package Type Mounting Type Pin Count Device Core Data Bus Width Program Memory Size Maximum Frequency RAM Size USB Channels Number of PWM Units ADC Channels Number of SPI Channels Typical Operating Supply Voltage
RS Stock No. 165-5557
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.STM32F030K6T6TR
THB36.17
Each (On a Reel of 2400)
Units
STM32F LQFP Surface Mount 32 ARM Cortex 32bit 32 kB 48MHz 4 kB - - 12 1 2.4 → 3.6 V
RS Stock No. 166-1143
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.STM32L051K8T6
THB106.404
Each (In a Tray of 250)
Units
STM32 LQFP Surface Mount 32 ARM Cortex M0+ 32bit 64 kB 32MHz 8 kB - - 10 - 1.65 → 3.6 V
RS Stock No. 168-9641
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MC68HC705C8ACFNE
Brand :NXP
THB635.115
Each (In a Tube of 26)
Units
M68HC05 PLCC Surface Mount 44 HC05 8bit 8 kB 2.1MHz 304 B - - - 1 3 → 5.5 V
RS Stock No. 400-592
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PIC16F526-I/SL
Brand :Microchip
THB35.322
Each: (In a Pack of 5)
Units
PIC16F SOIC Surface Mount 14 PIC 8bit 1024 words 20MHz 67 B - - 3 - 2 → 5.5 V
RS Stock No. 715-4479
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PIC18F26K22-I/SP
Brand :Microchip
THB121.17
Each
Units
PIC18F SPDIP Through Hole 28 PIC 8bit 64 kB 64MHz 1.024 kB, 3.896 kB - 5 17 2 5.5 V
RS Stock No. 791-7784
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.STM8S103F2M6TR
THB36.776
Each: (In a Pack of 5)
Units
STM8S SOIC Surface Mount 20 STM8 8bit 8 kB 16MHz 1 kB - 1 5 1 5.5 V
RS Stock No. 791-7781
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.STM8S103F2M6
THB50.012
Each: (In a Pack of 5)
Units
STM8S SOIC Surface Mount 20 STM8 8bit 8 kB 16MHz 1 kB - 1 5 1 5.5 V
RS Stock No. 177-7128
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.STM8S103F2M6TR
THB70.10
Each (In a Tray of 40)
Units
STM8S SOIC Surface Mount 20 STM8 8bit 8 kB 16MHz 1 kB - 1 5 1 5.5 V
RS Stock No. 738-0498
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ATMEGA644P-20PU
Brand :Microchip
THB236.82
Each
Units
ATmega PDIP Through Hole 40 AVR 8bit 64 kB 20MHz 2 kB, 4 kB - 1 8 1 2.7 → 5.5 V
RS Stock No. 168-7016
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.STM8S103F2M6
THB46.90
Each (In a Tube of 40)
Units
STM8S SOIC Surface Mount 20 STM8 8bit 8 kB 16MHz 1 kB - 1 5 1 5.5 V
RS Stock No. 623-0819
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PIC18F4520-I/P
Brand :Microchip
THB198.37
Each
Units
PIC18F PDIP Through Hole 40 PIC 8bit 32 kB, 256 B 40MHz 1.536 kB - 2 13 1 4.2 to 5.5 V
RS Stock No. 166-1142
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.STM32L051C8T6
THB111.132
Each (In a Tray of 250)
Units
STM32 LQFP Surface Mount 48 ARM Cortex M0+ 32bit 64 kB 32MHz 8 kB - - 10 - 1.65 → 3.6 V
RS Stock No. 146-3267
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PIC32MM0064GPL028-I/SS
Brand :Microchip
THB48.596
Each (In a Tube of 47)
Units
PIC32 SSOP Surface Mount 28 MicroAptiv UC 32 bit 32bit 64 kB 25MHz 8 kB - 1 12 2 2 → 3.6 V
RS Stock No. 715-3921
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.ATTINY5-TSHR
Brand :Atmel
THB23.67
Each
Units
ATtiny SOT-23 Surface Mount 6 AVR 8bit 512 B 12MHz 32 B - 1 4 - 1.8 → 5.5 V
RS Stock No. 795-7600
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.STM32F051K6T6
THB111.184
Each: (In a Pack of 5)
Units
STM32F LQFP Surface Mount 32 ARM Cortex M0 32bit 32 kB 48MHz 4 kB - 1 13 1 3.6 V
RS Stock No. 887-7139
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PIC16F877A-I/P
Brand :Microchip
THB196.831
Each (In a Tube of 10)
Units
PIC16F PDIP Through Hole 40 PIC 8bit 14.3 kB, 256 B 20MHz 368 B - 2 8 1 4 → 5.5 V
RS Stock No. 810-7512
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.STM32F100C8T7B
THB100.295
Each: (In a Pack of 2)
Units
STM32F LQFP Surface Mount 48 ARM Cortex M3 32bit 64 kB 24MHz 8 kB - 1 10 2 2 → 3.6 V
RS Stock No. 124-1562
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PIC32MM0064GPL028-I/SS
Brand :Microchip
THB55.944
Each: (In a Pack of 5)
Units
PIC32 SSOP Surface Mount 28 PIC 32bit 64 kB 25MHz 8 kB - - 12 - 2 → 3.6 V
RS Stock No. 876-6714
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PIC16F887-I/P
Brand :Microchip
THB75.896
Each (In a Tube of 10)
Units
PIC16F PDIP Through Hole 40 PIC 8bit 8192 words 20MHz 368 B - 2 14 1 2 to 5.5 V
RS Stock No. 467-1690
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PIC16F877A-I/P
Brand :Microchip
THB238.83
Each
Units
PIC16F PDIP Through Hole 40 PIC 8bit 14.3 kB, 256 B 20MHz 368 B - 2 8 1 4 → 5.5 V
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