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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Omschrijving Prijs 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-stocknr. 102-3545
FabrikantnummerSTM32F103C8T6
€ 3,69
Each (In a Tray of 250)
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M3 32bit 64 kB 72MHz 20 kB 1 x Device 1 10 2 2 → 3.6 V
RS-stocknr. 402-279
FabrikantnummerSTM32F103C8T6
€ 5,28
Each
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M3 32bit 64 kB 72MHz 20 kB 1 x Device 1 10 2 2 → 3.6 V
RS-stocknr. 920-6468
FabrikantnummerSTM32F407VGT6
€ 9,81
Each (In a Tray of 90)
Aantal stuks
STM32F LQFP Surface Mount 100 ARM Cortex M4F 32bit 1.024 MB 168MHz 4 kB, 192 kB 1 x Device, 1 x Host, 1 x OTG 1 16 3 1.8 → 3.6 V
RS-stocknr. 746-8226
FabrikantnummerSTM32F407VGT6
€ 11,13
Each
Aantal stuks
STM32F LQFP Surface Mount 100 ARM Cortex M4F 32bit 1.024 MB 168MHz 4 kB, 192 kB 1 x Device, 1 x Host, 1 x OTG 1 16 3 1.8 → 3.6 V
RS-stocknr. 145-9654
FabrikantnummerSTM32F373C8T6
€ 2,68
Each (In a Tray of 250)
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M4 32bit 64 kB 72MHz 16 kB 1 1 x 16 bit - 3 3.6 V
RS-stocknr. 792-5987
FabrikantnummerSTM32F373C8T6TR
€ 4,12
Each (In a Pack of 2)
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M4 32bit 64 kB 72MHz 16 kB 1 11 11, 16, 21 3 3.6 V
RS-stocknr. 165-6631
FabrikantnummerSTM32F373C8T6TR
€ 2,07
Each (On a Reel of 2400)
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M4 32bit 64 kB 72MHz 16 kB 1 11 11, 16, 21 3 3.6 V
RS-stocknr. 402-251
FabrikantnummerSTM32F103RBT6
€ 5,94
Each
Aantal stuks
STM32F LQFP Surface Mount 64 ARM Cortex M3 32bit 128 kB 72MHz 20 kB 1 x Device 1 16 2 2 → 3.6 V
RS-stocknr. 795-9164
FabrikantnummerSTM32F373C8T6
€ 3,84
Each
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M4 32bit 64 kB 72MHz 16 kB 1 1 x 16 bit - 3 3.6 V
RS-stocknr. 102-3542
FabrikantnummerSTM32F103RBT6
€ 4,45
Each (In a Tray of 160)
Aantal stuks
STM32F LQFP Surface Mount 64 ARM Cortex M3 32bit 128 kB 72MHz 20 kB 1 x Device 1 16 2 2 → 3.6 V
RS-stocknr. 402-273
FabrikantnummerSTM32F103CBT6
€ 5,62
Each
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M3 32bit 128 kB 72MHz 20 kB 1 x Device 1 10 2 2 → 3.6 V
RS-stocknr. 102-3541
FabrikantnummerSTM32F103CBT6
€ 4,02
Each (In a Tray of 250)
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M3 32bit 128 kB 72MHz 20 kB 1 x Device 1 10 2 2 → 3.6 V
RS-stocknr. 165-5412
FabrikantnummerSTM32F746VGT6
€ 8,712
Each (In a Tray of 540)
Aantal stuks
STM32F LQFP Surface Mount 100 ARM Cortex M7 32bit 1.024 MB 216MHz 340 kB 2 2 16 - 1.7 → 3.6 V
RS-stocknr. 882-0281
FabrikantnummerSTM32F746VGT6
€ 12,61
Each
Aantal stuks
STM32F LQFP Surface Mount 100 ARM Cortex M7 32bit 1.024 MB 216MHz 340 kB 2 2 16 - 1.7 → 3.6 V
RS-stocknr. 168-7889
FabrikantnummerSTM32F100R6H6B
€ 2,11
Each (In a Tray of 640)
Aantal stuks
STM32F BGA Surface Mount 64 ARM Cortex M3 32bit 32 kB 24MHz 4 kB - 1 16 1 2 → 3.6 V
RS-stocknr. 810-7459
FabrikantnummerSTM32F100R6H6B
€ 3,36
Each (In a Pack of 2)
Aantal stuks
STM32F BGA Surface Mount 64 ARM Cortex M3 32bit 32 kB 24MHz 4 kB - 1 16 1 2 → 3.6 V
RS-stocknr. 792-5984
FabrikantnummerSTM32F303CBT6TR
€ 4,85
Each
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M4 32bit 128 kB 72MHz 32 kB 1 5 39 2 3.6 V
RS-stocknr. 860-7527
FabrikantnummerSTM32L151VBT6A
€ 5,52
Each
Aantal stuks
STM32L LQFP Surface Mount 100 ARM Cortex M3 32bit 128 kB 32MHz 32 kB 1 4 24 2 1.65 → 3.6 V
RS-stocknr. 177-7205
FabrikantnummerSTM32L151VBT6A
€ 4,69
Each (In a Tray of 90)
Aantal stuks
STM32L LQFP Surface Mount 100 ARM Cortex M3 32bit 128 kB 32MHz 32 kB 1 4 24 2 1.65 → 3.6 V
RS-stocknr. 810-7660
FabrikantnummerSTM32F303CBT6
€ 4,51
Each (In a Pack of 2)
Aantal stuks
STM32F LQFP Surface Mount 48 ARM Cortex M4 32bit 128 kB 72MHz 32 kB 1 2 39 3 2 → 3.6 V