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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RS-artikelnummer 177-7192
Tillv. art.nrSTM32F427VGT6
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92,743 kr
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STM32 LQFP Surface Mount 100 ARM Cortex M4 32bit 1.024 MB 180MHz 256 kB 2 - 16 - 1.8 → 3.6 V
RS-artikelnummer 912-6974
Tillv. art.nrPIC18F25K22-E/SS
VarumärkeMicrochip
20,99 kr
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PIC18F SSOP Surface Mount 28 PIC 8bit 32.768 kB, 256 B 16MHz 1.536 kB - 5 19 2 2.3 → 5.5 V
RS-artikelnummer 792-5925
Tillv. art.nrSTM32F030F4P6
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10,412 kr
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STM32F TSSOP Surface Mount 20 ARM Cortex M0 32bit 16 kB 48MHz 4 kB - 1 11 1 3.6 V
RS-artikelnummer 467-1612
Tillv. art.nrPIC16F876A-I/SO
VarumärkeMicrochip
47,87 kr
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PIC16F SOIC Surface Mount 28 PIC 8bit 14.3 kB, 256 B 20MHz 368 B - 2 5 1 4 → 5.5 V
RS-artikelnummer 923-7787
Tillv. art.nrDS89C430-QNG+
VarumärkeMaxim Integrated
129,712 kr
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DS89C PLCC Surface Mount 44 8051 8bit 16 kB 25MHz 1 kB - - - - 4.5 → 5.5 V
RS-artikelnummer 146-0282
Tillv. art.nrPIC16LF1513-I/SS
VarumärkeMicrochip
10,303 kr
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PIC16F SSOP Surface Mount 28 PIC 8bit 4096 words 20MHz 256 B - 2 17 1 1.8 → 3.6 V
RS-artikelnummer 755-9449
Tillv. art.nrPIC16F1503-I/SL
VarumärkeMicrochip
7,273 kr
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PIC16F SOIC Surface Mount 14 PIC 8bit 2048 words 20MHz 128 B - 4 10 1 2.3 → 5.5 V
RS-artikelnummer 168-9828
Tillv. art.nrC8051F350-GQ
VarumärkeSilicon Labs
57,597 kr
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C8051F LQFP Surface Mount 32 8051 8bit 8 kB 50MHz 768 B - 3 8 1 2.7 → 3.6 V
RS-artikelnummer 923-2269
Tillv. art.nrMSP430F1611IPM
VarumärkeTexas Instruments
110,214 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 467-1331
Tillv. art.nrPIC16F73-I/SO
VarumärkeMicrochip
36,50 kr
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PIC16F SOIC Surface Mount 28 PIC 8bit 4K x 14 words 20MHz 192 B - 2 5 1 4 → 5.5 V
RS-artikelnummer 703-7784
Tillv. art.nrPIC18F25K22-I/SS
VarumärkeMicrochip
21,61 kr
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PIC18F SSOP Surface Mount 28 PIC 8bit 32.768 kB, 256 B 16MHz 1.536 kB - 5 19 2 2.3 → 5.5 V
RS-artikelnummer 165-6644
Tillv. art.nrSTM32F437ZIT7
VarumärkeSTMicroelectronics
110,645 kr
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STM32F LQFP Surface Mount 144 ARM Cortex M4 32bit 2.048 MB 180MHz 256 kB 2 2 24 3 3.6 V
RS-artikelnummer 916-3753
Tillv. art.nrPIC24EP512GP202-I/SP
VarumärkeMicrochip
35,465 kr
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PIC24E SPDIP Through Hole 28 PIC 16bit 512 kB - 48 kB - - 6 - 3 → 3.6 V
RS-artikelnummer 792-6057
Tillv. art.nrSTM32F437ZIT7
VarumärkeSTMicroelectronics
149,83 kr
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STM32F LQFP Surface Mount 144 ARM Cortex M4 32bit 2.048 MB 180MHz 256 kB 2 2 24 3 3.6 V
RS-artikelnummer 905-3151
Tillv. art.nrPIC16F1619-I/P
VarumärkeMicrochip
14,558 kr
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PIC16LF PDIP Through Hole 20 8 bit CPU 8bit 14 kB 32MHz 1.024 kB - 2 12 - 2.3 → 5.5 V
RS-artikelnummer 526-9298
Tillv. art.nrC8051F350-GQ
VarumärkeSilicon Labs
63,28 kr
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C8051F LQFP Surface Mount 32 8051 8bit 8 kB 50MHz 768 B - 3 8 1 2.7 → 3.6 V
RS-artikelnummer 165-4747
Tillv. art.nrPIC16F84A-20I/P
VarumärkeMicrochip
41,501 kr
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PIC16F PDIP Through Hole 18 PIC 8bit 64 x 14 words, 1024 x 14 words 20MHz 68 B - - - - 4 → 5.5 V
RS-artikelnummer 792-5940
Tillv. art.nrSTM32F051K4T6TR
VarumärkeSTMicroelectronics
23,638 kr
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STM32F LQFP Surface Mount 32 ARM Cortex M0 32bit 16 kB 48MHz 4 kB - 1 13 1 3.6 V
RS-artikelnummer 698-8909
Tillv. art.nrPIC18F4520-I/PT
VarumärkeMicrochip
53,15 kr
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PIC18F TQFP Surface Mount 44 PIC 8bit 32 kB, 256 B 40MHz 1.536 kB - 2 13 1 4.2 → 5.5 V
RS-artikelnummer 168-9384
Tillv. art.nrMC9S08AW60CFGE
VarumärkeNXP
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HCS08 LQFP Surface Mount 44 S08 8bit 63.28 kB 40MHz 2.048 kB - 2 8 1 2.7 → 5.5 V
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