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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Beskrivning Pris 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-artikelnummer 145-9607
Tillv. art.nrSTM32F103RCT6
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43,727 kr
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STM32F LQFP Surface Mount 64 ARM Cortex M3 32bit 256 kB 72MHz 48 kB 1 x Device 2 16 3 2 → 3.6 V
RS-artikelnummer 746-8226
Tillv. art.nrSTM32F407VGT6
VarumärkeSTMicroelectronics
106,50 kr
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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-artikelnummer 168-7367
Tillv. art.nrSTM8S103F3P6
VarumärkeSTMicroelectronics
11,014 kr
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STM8S TSSOP Surface Mount 20 STM8 8bit 8 kB, 640 B 16MHz 1 kB - 1 5 1 2.95 → 5.5 V
RS-artikelnummer 165-4638
Tillv. art.nrPIC16F74-I/PT
VarumärkeMicrochip
49,057 kr
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PIC16F TQFP Surface Mount 44 PIC 8bit 4K x 14 words 20MHz 192 B - 2 8 1 4 → 5.5 V
RS-artikelnummer 165-4174
Tillv. art.nrPIC16F18313-I/P
VarumärkeMicrochip
7,052 kr
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PIC16F PDIP Through Hole 8 PIC 8bit 3.5 kB 32MHz 256 B - 1 5 - 2.3 → 5.5 V
RS-artikelnummer 916-3734
Tillv. art.nrPIC16F18313-I/P
VarumärkeMicrochip
7,559 kr
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PIC16F PDIP Through Hole 8 PIC 8bit 3.5 kB 32MHz 256 B - 1 5 - 2.3 → 5.5 V
RS-artikelnummer 901-5174
Tillv. art.nrR5F21334CNFP#V2
39,89 kr
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R8C / 33C LQFP Surface Mount 32 R8C CPU 16bit 4 (Flash) kB, 16 (ROM) kB 20MHz 1.5 kB - - 12 - 1.8 → 5.5 V
RS-artikelnummer 920-6468
Tillv. art.nrSTM32F407VGT6
VarumärkeSTMicroelectronics
92,721 kr
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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-artikelnummer 887-7123
Tillv. art.nrPIC32MX795F512L-80I/PT
VarumärkeMicrochip
87,319 kr
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PIC32MX TQFP Surface Mount 100 PIC 32bit 12 kB, 512 kB 80MHz 128 kB 1 x Device 5 16 4 2.3 → 3.6 V
RS-artikelnummer 687-9348
Tillv. art.nrPIC32MX795F512L-80I/PT
VarumärkeMicrochip
90,48 kr
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PIC32MX TQFP Surface Mount 100 PIC 32bit 12 kB, 512 kB 80MHz 128 kB 1 x Device 5 16 4 2.3 → 3.6 V
RS-artikelnummer 400-784
Tillv. art.nrPIC18F97J60-I/PT
VarumärkeMicrochip
52,22 kr
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PIC18F TQFP Surface Mount 100 PIC 8bit 128 kB 41.667MHz 3.808 kB - 5 16 2 2.35 → 3.6 V
RS-artikelnummer 169-7280
Tillv. art.nrMC9S12DG128CPVE
VarumärkeNXP
156,989 kr
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HCS12 LQFP Surface Mount 112 HSC12 16bit 128 kB 25MHz 8 kB - 2 8 2 2.5 → 5 V
RS-artikelnummer 810-7455
Tillv. art.nrSTM32F101VGT6
VarumärkeSTMicroelectronics
85,20 kr
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STM32F LQFP Surface Mount 100 ARM Cortex M3 32bit 1 MB 36MHz 80 kB - 4 16 3 2 → 3.6 V
RS-artikelnummer 623-0667
Tillv. art.nrPIC18F2520-I/SP
VarumärkeMicrochip
50,15 kr
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PIC18F SPDIP Through Hole 28 PIC 8bit 32 kB, 256 B 40MHz 1.536 kB - 2 10 1 4.2 to 5.5 V
RS-artikelnummer 165-6487
Tillv. art.nrSTM32F101VGT6
VarumärkeSTMicroelectronics
55,364 kr
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STM32F LQFP Surface Mount 100 ARM Cortex M3 32bit 1 MB 36MHz 80 kB - 4 16 3 2 → 3.6 V
RS-artikelnummer 887-7136
Tillv. art.nrPIC18F2520-I/SP
VarumärkeMicrochip
46,84 kr
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PIC18F SPDIP Through Hole 28 PIC 8bit 32 kB, 256 B 40MHz 1.536 kB - 2 10 1 4.2 to 5.5 V
RS-artikelnummer 144-5754
Tillv. art.nrPIC16F876A-I/SP
VarumärkeMicrochip
44,821 kr
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PIC16F SPDIP Through Hole 28 PIC 8bit 14.3 kB, 256 B 20MHz 368 B - 2 5 1 4 → 5.5 V
RS-artikelnummer 219-673
Tillv. art.nrMSP430F1611IPM
VarumärkeTexas Instruments
156,96 kr
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MSP430 LQFP Surface Mount 64 MSP430 16bit 48 kB, 256 B 8MHz 10 kB - 2 8 2 1.8 → 3.6 V
RS-artikelnummer 165-4221
Tillv. art.nrPIC32MZ2048ECG144-I/PL
VarumärkeMicrochip
109,509 kr
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PIC32MZ LQFP Surface Mount 144 M4K, MIPS32 32bit 2.048 MB 200MHz 512 kB 1 x OTG - 48 6 2.3 → 3.6 V
RS-artikelnummer 145-9541
Tillv. art.nrSTM32F427ZIT6
VarumärkeSTMicroelectronics
106,261 kr
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STM32F LQFP Surface Mount 144 ARM Cortex M4 32bit 2.048 MB 180MHz 4 (Backup) kB, 256 (System) kB 1 2 24 - 1.7 → 3.6 V
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