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 823-2362
Référence fabricantMKL03Z32VFK4
MarqueNXP
1,906 €
Each (In a Pack of 5)
Unité
Kinetis L QFN Surface Mount 24 ARM Cortex M0+ 32bit 32 kB 48MHz 2 kB 0 2 7 1 1.71 → 3.6 V
N° de stock RS 169-7430
Référence fabricantMKL03Z32VFK4
MarqueNXP
1,289 €
Each (In a Tray of 490)
Unité
Kinetis L QFN Surface Mount 24 ARM Cortex M0+ 32bit 32 kB 48MHz 2 kB 0 2 7 1 1.71 → 3.6 V
N° de stock RS 725-7761
Référence fabricantLPC2134FBD64/01,15
MarqueNXP
6,37 €
Each
Unité
LPC21 LQFP Surface Mount 64 ARM7TDMI-S 16 bit, 32bit 128 kB 60MHz 16 kB 0 1 8 2 3 → 3.6 V
N° de stock RS 791-8116
Référence fabricantLPC1115FBD48/303,1
MarqueNXP
3,215 €
Each (In a Pack of 2)
Unité
LPC1100XL LQFP Surface Mount 48 ARM Cortex M0 32bit 64 kB 25MHz 8 kB 0 1 8 2 3.3 V
N° de stock RS 166-0032
Référence fabricantLPC1115FBD48/303,1
MarqueNXP
2,242 €
Each (In a Tray of 250)
Unité
LPC1100XL LQFP Surface Mount 48 ARM Cortex M0 32bit 64 kB 25MHz 8 kB 0 1 8 2 3.3 V
N° de stock RS 166-0252
Référence fabricantLPC2134FBD64/01,15
MarqueNXP
6,269 €
Each (In a Tray of 160)
Unité
LPC21 LQFP Surface Mount 64 ARM7TDMI-S 16 bit, 32bit 128 kB 60MHz 16 kB 0 1 8 2 3 → 3.6 V
N° de stock RS 539-0291
Référence fabricantMC68HC705C8ACFNE
MarqueNXP
13,83 €
Each
Unité
M68HC05 PLCC Surface Mount 44 HC05 8bit 8 kB 2.1MHz 304 B 0 - - 1 3 → 5.5 V
N° de stock RS 168-9641
Référence fabricantMC68HC705C8ACFNE
MarqueNXP
12,183 €
Each (In a Tube of 26)
Unité
M68HC05 PLCC Surface Mount 44 HC05 8bit 8 kB 2.1MHz 304 B 0 - - 1 3 → 5.5 V
N° de stock RS 800-7478
Référence fabricantMKE04Z128VLD4
MarqueNXP
3,545 €
Each (In a Pack of 2)
Unité
Kinetis E QFP Surface Mount 44 ARM Cortex M0+ 32bit 128 kB 48MHz - 0 - - 0 5 V
N° de stock RS 755-9947
Référence fabricantLPC11U24FHN33/401
MarqueNXP
1,65 €
Each
Unité
LPC11U HVQFN Surface Mount 33 Cortex-M0 32bit 24 kB 50MHz 8 kB 1 - 8 2 1.8 → 3.6 V
N° de stock RS 103-8051
Référence fabricantLPC1769FBD100,551
MarqueNXP
8,718 €
Each (In a Tube of 90)
Unité
LPC17 LQFP Surface Mount 100 ARM Cortex M3 32bit 512 kB 100MHz 64 kB 1 x Device, 1 x Host, 1 x OTG 2 8 3 3.3 V
N° de stock RS 725-7742
Référence fabricantLPC1769FBD100,551
MarqueNXP
10,13 €
Each
Unité
LPC17 LQFP Surface Mount 100 ARM Cortex M3 32bit 512 kB 100MHz 64 kB 1 x Device, 1 x Host, 1 x OTG 2 8 3 3.3 V
N° de stock RS 169-0728
Référence fabricantLPC11U24FHN33/401
MarqueNXP
1,605 €
Each (In a Tray of 260)
Unité
LPC11U HVQFN Surface Mount 33 Cortex-M0 32bit 24 kB 50MHz 8 kB 1 - 8 2 1.8 → 3.6 V
N° de stock RS 922-7493
Référence fabricantMKE04Z128VLD4
MarqueNXP
2,472 €
Each (In a Tray of 160)
Unité
Kinetis E QFP Surface Mount 44 ARM Cortex M0+ 32bit 128 kB 48MHz - 0 - - 0 5 V
N° de stock RS 741-3927
Référence fabricantLPC11C14FBD48/301,
MarqueNXP
2,97 €
Each
Unité
LPC11C LQFP Surface Mount 48 ARM Cortex M0 32bit 32 kB 50MHz 8 kB - - 8 2 3.3 V
N° de stock RS 741-3955
Référence fabricantLPC1227FBD48/301,1
MarqueNXP
4,43 €
Each
Unité
LPC122 LQFP Surface Mount 48 ARM Cortex M0 32bit 128 kB 45MHz 8 kB - - 8 1 3.3 V
N° de stock RS 725-7887
Référence fabricantLPC1758FBD80,551
MarqueNXP
9,17 €
Each
Unité
LPC17 LQFP Surface Mount 80 ARM Cortex M3 32bit 512 kB 100MHz 64 kB 1 x Device, 1 x Host, 1 x OTG 2 6 3 3.3 V
N° de stock RS 823-2365
Référence fabricantMKL03Z32VFG4
MarqueNXP
0,88 €
Each (In a Pack of 5)
Unité
Kinetis L QFN Surface Mount 16 ARM Cortex M0+ 32bit 32 kB 48MHz 2 kB 0 2 7 1 1.71 → 3.6 V
N° de stock RS 169-7279
Référence fabricantMC9S12D64CFUE
MarqueNXP
14,911 €
Each (In a Tray of 84)
Unité
HCS12 QFP Surface Mount 80 HSC12 16bit 64 kB 25MHz 4 kB 0 2 8 1 2.5 → 5 V
N° de stock RS 840-6493
Référence fabricantMK22FX512VMD12
MarqueNXP
9,82 €
Each
Unité
Kinetis K2x MAPBGA Surface Mount 144 ARM Cortex M4 32bit 640 kB 120MHz 132 kB 1 4 2 3 1.71 → 3.6 V