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庫存編號 914-0087
製造零件編號XMC1302T038X0064AAXUMA1
BrandInfineon
HK$21.862
/個 (每包:5個)
單位
XMC1000 TSSOP Surface Mount 38 ARM Cortex M0 32bit 64 kB 66.4MHz 16 kB - - 16 - 1.8 → 5.5 V
RS庫存編號 165-8226
製造零件編號XMC4800F100K2048AAXQMA1
BrandInfineon
HK$185.601
Each (In a Tray of 540)
單位
XMC4000 LQFP Surface Mount 100 ARM Cortex M4 32bit 2.048 MB 144MHz 352 kB 1 - 8 - 1.3 V, 3.3 V
RS庫存編號 917-3413
製造零件編號XMC4800F100K2048AAXQMA1
BrandInfineon
HK$174.60
單位
XMC4000 LQFP Surface Mount 100 ARM Cortex M4 32bit 2.048 MB 144MHz 352 kB 1 - 8 - 1.3 V, 3.3 V
RS庫存編號 917-3425
製造零件編號XMC4800E196K2048AAXQMA1
BrandInfineon
HK$186.11
單位
XMC4000 LFBGA Surface Mount 196 ARM Cortex M4 32bit 2.048 MB 144MHz 352 kB 1 - 8 - 1.3 V, 3.3 V
RS庫存編號 917-3416
製造零件編號XMC4700F144K2048AAXQMA1
BrandInfineon
HK$130.72
單位
XMC4000 LQFP Surface Mount 144 ARM Cortex M4 32bit 2.048 MB 144MHz 352 kB 1 - 8 - 1.3 V, 3.3 V
RS庫存編號 166-1074
製造零件編號XE169FH200F100LABKXQSA1
BrandInfineon
HK$142.13
Each (In a Tray of 40)
單位
XE166 LQFP Surface Mount 176 C166 16bit 1.6 MB 100MHz 112 kB - - 30 - 1.5 V
RS庫存編號 752-8423
製造零件編號XE167F96F66LACFXUMA1
BrandInfineon
HK$90.32
單位
XE166 LQFP Surface Mount 144 C166S V2 16 bit, 32 bit 768 kB 66MHz 82 kB - 3 24 6 3 to 5.5 V
RS庫存編號 110-7760
製造零件編號XC164CS16F40FBBFXQMA1
BrandInfineon
HK$147.25
單位
XC166 TQFP Surface Mount 100 C166S V2 16bit 128 kB 20MHz 2 (DPRAM) kB, 2 (PSRAM) kB, 4 (DSRAM) kB - - 14 - 2.35 → 2.7 (Core) V, 4.4 → 5.5 (I/O) V
RS庫存編號 166-0843
製造零件編號XC167CI32F40FBBAKXQMA1
BrandInfineon
HK$220.352
Each (In a Tray of 360)
單位
XC166 TQFP Surface Mount 144 C166S V2 16bit 256 kB 20MHz 2 (DPRAM) kB, 4 (DSRAM) kB, 6 (PSRAM) kB - - 16 - 2.35 → 2.7 (Core) V, 4.4 → 5.5 (I/O) V
RS庫存編號 178-1501
製造零件編號XMC4500F144K1024ACXQMA1
BrandInfineon
HK$80.09
Each (In a Tray of 60)
單位
XMC4000 LQFP Surface Mount 144 ARM Cortex M4 32bit 1.024 MB 120MHz 160 kB 1 - 8 - 1.3 V, 3.3 V
RS庫存編號 917-3419
製造零件編號XMC4700E196K2048AAXQMA1
BrandInfineon
HK$136.99
單位
XMC4000 LFBGA Surface Mount 196 ARM Cortex M4 32bit 2.048 MB 144MHz 352 kB 1 - 8 - 1.3 V, 3.3 V
RS庫存編號 165-8227
製造零件編號XMC4300F100K256AAXQMA1
BrandInfineon
HK$131.033
Each (In a Tray of 540)
單位
XMC4300 LFQFP Surface Mount 100 ARM Cortex M4 - 256 kB 144MHz 128 kB 1 - 8 - -
RS庫存編號 165-8088
製造零件編號XMC1301T038F0032ABXUMA1
BrandInfineon
HK$11.715
個 (在毎卷:3000)
單位
XMC1000 TSSOP Surface Mount 38 ARM Cortex M0 32bit 32 kB 66.4MHz 16 kB - - 16 - 1.8 → 5.5 V
RS庫存編號 145-9566
製造零件編號XMC4100F64K128ABXQSA1
BrandInfineon
HK$37.087
Each (In a Tray of 160)
單位
XMC4000 LQFP Surface Mount 64 ARM Cortex M4 32bit 128 kB 80MHz 20 kB 1 - 10 - 1.3 V, 3.3 V
RS庫存編號 124-1095
製造零件編號XMC1404F064X0200AAXUMA1
BrandInfineon
HK$86.51
單位
XMC1000 LQFP Surface Mount 64 Cortex-M0 32bit 200 kB 48MHz 16 kB - - 12 - 1.8 → 5.5 V
RS庫存編號 110-7453
製造零件編號XE167F96F80LACFXUMA1
BrandInfineon
HK$96.85
單位
XC166 LQFP Surface Mount 144 C166S V2 16bit 768 kB 80MHz 64 (PSRAM) kB - - 24 - 3 → 5.5 V
RS庫存編號 919-8834
製造零件編號C515C8EMCAFXQMA1
BrandInfineon
HK$114.577
Each (In a Tray of 504)
單位
C515C MQFP Surface Mount 80 8051 8bit 64 kB 10MHz 2.25 kB - 4 8 1 4.25 → 5.5 V
RS庫存編號 166-0791
製造零件編號XMC4500E144X1024ACXQSA1
BrandInfineon
HK$101.739
Each (In a Tray of 240)
單位
XMC4000 LFBGA Surface Mount 144 ARM Cortex M4 32bit 1.024 MB 120MHz 160 kB - - 32 - 1.3 (Core) V, 3.3 (Digital) V
RS庫存編號 919-8828
製造零件編號XC886C8FFA5VACKXUMA1
BrandInfineon
HK$20.278
個 (在毎卷:1800)
單位
XC866 TQFP Surface Mount 48 8051 8bit 32 kB 24MHz 15 kB, 256 B - 1 8 - 2.3 → 5.5 V
RS庫存編號 166-0916
製造零件編號XE167FM72F80LRABKXUMA1
BrandInfineon
HK$69.944
個 (在毎卷:1000)
單位
XE166 LQFP Surface Mount 144 C166 16bit 576 kB 100MHz 16 (DSRAM) kB, 32 (PSRAM) kB - - 34 - 1.5 V