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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Description Prix 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
N° de stock RS 190-4579
Référence fabricantDS80C320-QCG+
15,36 €
Each (In a Tube of 28)
Unité
DS80C PLCC Surface Mount 44 80C32 8bit 64 kB 25MHz 64 kB - - - - 5 V
N° de stock RS 165-9376
Référence fabricantDS89C450-MNL+
19,969 €
Each (In a Tube of 10)
Unité
DS89C PDIP Through Hole 40 8051 8bit 64 kB 33MHz 1 kB - - - - 5 V
N° de stock RS 190-4580
Référence fabricantDS80C320-QNG+
17,10 €
Each (In a Tube of 28)
Unité
DS80C PLCC Surface Mount 44 80C32 8bit 64 kB 25MHz 64 kB - - - - 5 V
Nouveau
N° de stock RS 214-9193
Référence fabricantMAX32655GXG+
3,278 €
Each (In a Tray of 348)
Unité
MAX32655 CTBGA Surface Mount 81 ARM Cortex M4 32bit 128 kB, 512 kB 2.5GHz - - - - - -
N° de stock RS 191-4243
Référence fabricantDS87C530-QCL+
33,123 €
Each (In a Tube of 23)
Unité
DS87C530 PLCC Surface Mount 52 8051 8bit 16 kB 33MHz 1 kB - - - - 5 V
N° de stock RS 203-4679
Référence fabricantMAX1464AAI+
7,691 €
Each (In a Tube of 46)
Unité
MAX1464 28 SSOP Surface Mount 28 CPU - 4 kB 4MHz - - - - - -
N° de stock RS 190-4581
Référence fabricantDS80C390-FNR+
19,417 €
Each (In a Tray of 160)
Unité
DS80C LQFP Surface Mount 64 80C52 8bit 4 kB 40MHz 4 kB - - - - 5 V
Nouveau
N° de stock RS 214-9194
Référence fabricantMAX32655GXG+
5,295 €
Each (In a Pack of 2)
Unité
MAX32655 CTBGA Surface Mount 81 ARM Cortex M4 32bit 128 kB, 512 kB 2.5GHz - - - - - -
N° de stock RS 189-9518
Référence fabricantDS80C323-MCD+
6,75 €
Each
Unité
DS80C PDIP Through Hole 40 8051 8bit 64 kB 18MHz 64 kB - - - - 4.5 → 5.5 V
N° de stock RS 189-7512
Référence fabricantDS80C320-QCL+
14,99 €
Each (In a Tube of 28)
Unité
DS80C PLCC Surface Mount 44 8051 8bit - 33MHz 256 B - - - - 4.5 → 5.5 V
N° de stock RS 203-4680
Référence fabricantMAX1464AAI+
8,72 €
Each
Unité
MAX1464 28 SSOP Surface Mount 28 CPU - 4 kB 4MHz - - - - - -
Nouveau
N° de stock RS 215-4815
Référence fabricantMAX32670GTL+
1,905 €
Each (In a Tray of 490)
Unité
MAX TQFN Surface Mount 40 ARM Cortex 32bit 384 kB 32MHz - - - - - -
N° de stock RS 138-073
Référence fabricantDS87C520-MCL+
33,73 €
Each
Unité
DS87C PDIP Through Hole 40 8051 8bit 16 kB 33MHz 1.25 kB - - - - 4.5 → 5.5 V
N° de stock RS 797-9742
Référence fabricantDS80C320-MNG+
18,12 €
Each
Unité
DS80C PDIP Through Hole 40 8051 8bit 64 kB 25MHz 64 kB - - - - 4.5 → 5.5 V
N° de stock RS 146-0975
Référence fabricantDS87C520-MCL+
31,464 €
Each (In a Tube of 10)
Unité
DS87C PDIP Through Hole 40 8051 8bit 16 kB 33MHz 1.25 kB - - - - 4.5 → 5.5 V
N° de stock RS 189-9591
Référence fabricantDS87C520-QCL+
30,31 €
Each
Unité
DS87C PLCC Surface Mount 44 8051 8bit 16 kB 33MHz 1.25 kB - - - - 4.5 → 5.5 V
N° de stock RS 189-7519
Référence fabricantDS89C430-QNL+
13,293 €
Each (In a Tube of 28)
Unité
DS89C PLCC Surface Mount 44 8051 8bit 16 kB 33MHz 1 kB - - - - 4.5 → 5.5 V
N° de stock RS 190-4967
Référence fabricantDS80C390-FNR+
24,65 €
Each
Unité
DS80C LQFP Surface Mount 64 80C52 8bit 4 kB 40MHz 4 kB - - - - 5 V
N° de stock RS 189-9466
Référence fabricantDS80C320-MCG+
12,79 €
Each
Unité
DS80C PDIP Through Hole 40 80C32 8bit 64 kB 33MHz 64 kB - - - - 5 V
N° de stock RS 189-7511
Référence fabricantDS80C320-MCG+
11,792 €
Each (In a Tube of 10)
Unité
DS80C PDIP Through Hole 40 80C32 8bit 64 kB 33MHz 64 kB - - - - 5 V