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 Price 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 Stock No. 828-4082
Mfr. Part No.UPD78F0513AGAA-GAM-G
kr 31,405
Each (In a Pack of 2)
Units
78K LQFP Surface Mount 48 78K 8bit 32 kB 20MHz 1 kB - 2 8 1 1.8 → 5.5 V
RS Stock No. 177-5043
Mfr. Part No.R5F10RGAAFB
kr 14,99
Each (In a Tray of 250)
Units
RL78/L12 LQFP Surface Mount 48 RL78 16bit 16 kB 24MHz 1 kB - - 9 2 1.6 → 5.5 V
RS Stock No. 828-3607
Mfr. Part No.R5F51113ADFK#30
kr 25,47
Each (In a Pack of 2)
Units
RX LQFP Surface Mount 64 RX 32bit 64 kB 32MHz 10 kB 1 - 20 1 2.7 → 3.6 V
RS Stock No. 828-4029
Mfr. Part No.UPD70F3367GJ(A)-GAE-AX
kr 136,77
Each
Units
V850 LQFP Surface Mount 144 V850ES 32bit 768 kB 32MHz 60 kB - - 16 6 2.85 → 3.6 V
RS Stock No. 177-5044
Mfr. Part No.R5F104PGAFB#V0
kr 22,707
Each (In a Tray of 720)
Units
RL78 LQFP Surface Mount 100 RL78 16bit 8 kB, 128 kB 32MHz 16 kB - 4 20 8 1.6 → 5.5 V
RS Stock No. 192-8130
Mfr. Part No.R5F5631FDDFC#V0
kr 159,37
Each
Units
RX631 LQFP Surface Mount 176 RX CPU 32bit 2 MB 100MHz 256 kB 2 - 8, 21 16 2.7 → 3.6 V
RS Stock No. 124-0641
Mfr. Part No.R5F52305ADFP#30
kr 40,22
Each
Units
RX230 LFQFP Surface Mount 100 RX 32bit 128 kB 54MHz 32 kB - - 24 - 1.8 → 5.5 V
RS Stock No. 122-5481
Mfr. Part No.R5F101CDALA#U0
kr 33,245
Each (In a Pack of 2)
Units
RL78/G13 WFLGA Surface Mount 36 RL78 16bit 48 kB 32MHz 3 kB - - 8 - 1.6 → 5.5 V
RS Stock No. 124-0838
Mfr. Part No.R5F56318DDBG#U0
kr 129,80
Each
Units
RX631 LFBGA Surface Mount 176 RX 32bit 512 kB 100MHz 128 kB 2 - 29 - 2.7 → 3.6 V
RS Stock No. 192-8159
Mfr. Part No.R7FS3A77C3A01CFP#AA1
kr 114,48
Each
Units
Synergy MCU LQFP Surface Mount 100 - - 1 MB 48MHz 192 kB - 1 - 2 1.6 → 5.5 V
RS Stock No. 121-6895
Mfr. Part No.R5S72690P266FP#VZ
kr 276,97
Each
Units
SuperH LFQFP Surface Mount 256 SH2A-FPU 32bit - 266MHz 2.5 MB 1 x Host - 8 - 3 → 3.6 V
RS Stock No. 901-6199
Mfr. Part No.R5F56218BDBG#U0
kr 97,70
Each
Units
RX600 LFBGA Surface Mount 176 RX 32bit 512 kB 100MHz 96 kB 2 1 12 2 2.7 → 3.6 V
RS Stock No. 175-3541
Mfr. Part No.R7FS3A17C3A01CNB#AC0
kr 126,98
Each
Units
Synergy MCU QFN Surface Mount 64 ARM Cortex M4 32bit 1 MB 48MHz 192 kB 1 - 18 2 1.6 → 5.5 V
New
RS Stock No. 192-8134
Mfr. Part No.R5F5631PDDFL#V0
kr 81,21
Each
Units
RX631 LQFP Surface Mount 48 RX CPU 32bit 512 kB 100MHz 64 kB 1 - 8 7 2.7 → 3.6 V
RS Stock No. 183-3587
Mfr. Part No.R7FS5D37A3A01CFP#AA0
kr 96,007
Each (In a Tray of 90)
Units
S5D3 LQFP Surface Mount 100 ARM Cortex M4 32bit 512 kB 120MHz 256 kB 1 - 19 2 2.7 → 3.6 V
RS Stock No. 177-5006
Mfr. Part No.R5F52107CDFN
kr 55,932
Each (In a Tray of 119)
Units
RX LQFP Surface Mount 80 RX 32bit 384 kB 50MHz 64 kB - - 16 1 1.6 → 5.5 V
RS Stock No. 168-1663
Mfr. Part No.R5F56519BDLJ#20
kr 90,782
Each (In a Tray of 20)
Units
RX651 TFLGA Surface Mount 100 RXv2 CPU 32bit 1 MB 120MHz 256 kB 1 - 29 3 3.6 (Maximum) V
RS Stock No. 124-0618
Mfr. Part No.R5F52105BDLJ#U0
kr 67,39
Each
Units
RX210 TFLGA Surface Mount 100 RX 32bit 128 kB 50MHz 20 kB - - 16 - 1.62 → 5.5 V
RS Stock No. 177-4987
Mfr. Part No.R5F563NBDDFB
kr 89,702
Each (In a Tray of 60)
Units
RX LQFP Surface Mount 144 RX 32bit 1 MB 100MHz 128 kB 2 - 8, 21 3 2.7 → 3.6 V
RS Stock No. 828-4023
Mfr. Part No.UPD70F3425GJ(A)-GAE-AX
kr 314,75
Each
Units
V850 LQFP Surface Mount 144 V850E1 32bit 1 MB 64MHz 32 kB - - 16 3 4 → 5.5 V