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 162-9724
Tillv. art.nrCC2640F128RSMT
VarumärkeTexas Instruments
19,763 kr
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CC26xx VQFN Surface Mount 32 ARM Cortex M0, ARM Cortex M3 16bit 128 kB 48MHz 20 kB - - 8 - 3.8 (Maximum) V
RS-artikelnummer 908-3815
Tillv. art.nrCC2640F128RSMT
VarumärkeTexas Instruments
19,45 kr
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CC26xx VQFN Surface Mount 32 ARM Cortex M0, ARM Cortex M3 16bit 128 kB 48MHz 20 kB - - 8 - 3.8 (Maximum) V
RS-artikelnummer 923-2269
Tillv. art.nrMSP430F1611IPM
VarumärkeTexas Instruments
122,389 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 219-673
Tillv. art.nrMSP430F1611IPM
VarumärkeTexas Instruments
157,69 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 921-2791
Tillv. art.nrMSP430F5528IRGCT
VarumärkeTexas Instruments
47,93 kr
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MSP430 VQFN Surface Mount 64 - 16bit 128 kB 25MHz 8 + 2 kB 1 - 12 2 1.8 → 3.6 V
RS-artikelnummer 798-4494
Tillv. art.nrMSP430F5528IRGCT
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67,21 kr
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MSP430 VQFN Surface Mount 64 - 16bit 128 kB 25MHz 8 + 2 kB 1 - 12 2 1.8 → 3.6 V
RS-artikelnummer 875-1012
Tillv. art.nrCC2650F128RGZT
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58,11 kr
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SimpleLink VQFN Surface Mount 48 ARM Cortex M3 32bit 128 kB 48MHz 20 kB - 1 8 1 1.8 → 3.8 V
RS-artikelnummer 739-8020
Tillv. art.nrMSP430AFE253IPW
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46,84 kr
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MSP430 TSSOP Surface Mount 24 - 16bit 16 kB 12MHz 512 B - - 3 1 1.8 → 3.6 V
RS-artikelnummer 798-4475
Tillv. art.nrTMS320F28027DAT
VarumärkeTexas Instruments
29,35 kr
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Piccolo TSSOP Surface Mount 38 C28x 32bit 64 kB 60MHz 12 kB - 1 7 1 3.3 V
RS-artikelnummer 819-4920
Tillv. art.nrMSP430G2403IN20
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MSP430 PDIP Through Hole 20 MSP430 16bit 8 kB 16MHz 512 B - - - 1 1.8 → 3.6 V
RS-artikelnummer 162-8230
Tillv. art.nrMSP430F47187IPZ
VarumärkeTexas Instruments
97,086 kr
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MSP430 LQFP Surface Mount 100 MSP430 16bit 116 kB 16MHz 8 kB - - 7 4 1.8 → 3.6 V
RS-artikelnummer 121-9710
Tillv. art.nrMSP430F427AIPM
VarumärkeTexas Instruments
39,125 kr
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MSP430 LQFP Surface Mount 64 MSP430 16bit 32 kB 8MHz 1 kB - - 3 - 1.8 → 3.6 V
RS-artikelnummer 162-4653
Tillv. art.nrCOP8SGR744V8/NOPB
VarumärkeTexas Instruments
77,778 kr
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COP8 PLCC Surface Mount 44 COP8 8bit 32 kB 15MHz 512 B - - - - 2.7 → 5.5 V
RS-artikelnummer 162-8651
Tillv. art.nrMSP430FR5949IDA
VarumärkeTexas Instruments
37,452 kr
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MSP430 TSSOP Surface Mount 38 MSP430 16bit 64 kB 16MHz 2 kB - - 16 3 1.8 → 3.6 V
RS-artikelnummer 817-6420
Tillv. art.nrMSP430G2553IPW20
VarumärkeTexas Instruments
22,418 kr
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MSP430 TSSOP Surface Mount 20 MSP430 16bit 16 kB 16MHz 512 B - - 8 2 1.8 → 3.6 V
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Tillv. art.nrMSP430F5308IPT
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MSP430 LQFP Surface Mount 48 MSP430 16bit 16 kB 25MHz 6 kB - - 12 4 1.8 → 3.6 V
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Tillv. art.nrMSP430G2233IPW20
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MSP430 TSSOP Surface Mount 20 MSP430 16bit 2 kB 16MHz 256 B - - 8 2 1.8 → 3.6 V
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Tillv. art.nrMSP430G2413IN20
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MSP430 PDIP Through Hole 20 MSP430 16bit 8 kB 16MHz 512 B - - 8 2 1.8 → 3.6 V
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MSP430 LQFP Surface Mount 64 MSP430 16bit 60 kB, 256 B 8MHz 2 kB - 2 8 2 1.8 → 3.6 V
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MSP430 TSSOP Surface Mount 14 MSP430 16bit 1 kB, 256 B 16MHz 128 B - 1 - 1 1.8 → 3.6 V