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 제품 번호 877-9228
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ADuC7 LFCSP Surface Mount 64 ARM7TDMI 16 bit, 32bit 126 kB 41.78MHz 32 kB - 1 16 1 3.3 V
RS 제품 번호 538-5132
제조사 부품 번호ADUC847BSZ62-5
제조사Analog Devices
₩27,004.10
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ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 12.58MHz 2.304 kB - 1 10 1 2.7 → 5.25 V
RS 제품 번호 427-155
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제조사Analog Devices
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ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 16.78MHz 2.304 kB - 2 8 1 4.75 → 5.25 V
RS 제품 번호 708-9397
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제조사Analog Devices
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ADuC7 LFCSP WQ Surface Mount 40 ARM7TDMI 16 bit, 32bit 62 kB 44MHz 8 kB - 1 5 1 2.7 → 3.6 V
RS 제품 번호 523-6197
제조사 부품 번호ADUC812BSZ
제조사Analog Devices
₩31,607.60
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ADuC8 MQFP Surface Mount 52 8052 8bit 8 kB, 640 B 16MHz 256 B - - 8 1 2.7 → 5.25 V
RS 제품 번호 538-5126
제조사 부품 번호ADUC847BSZ62-3
제조사Analog Devices
₩27,004.10
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ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 12.58MHz 2.304 kB - 1 10 1 2.7 → 5.25 V
RS 제품 번호 497-1091
제조사 부품 번호ADUC814ARUZ
제조사Analog Devices
₩15,413.20
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ADuC8 TSSOP Surface Mount 28 8052 8bit 8 kB, 640 B 16.78MHz 256 B - - 6 1 2.7 → 5.5 V
RS 제품 번호 819-7354
제조사 부품 번호ADUC845BCPZ62-5
제조사Analog Devices
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ADuC8 LFCSP Surface Mount 56 8051 8bit 62 kB 12.58MHz 2.304 kB - 1 10 1 3 V, 5 V
RS 제품 번호 538-5182
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ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 12.58MHz 2.304 kB - 1 10 1 2.7 → 5.25 V
RS 제품 번호 497-1108
제조사 부품 번호ADUC814BRUZ
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ADuC8 TSSOP Surface Mount 28 8052 8bit 8 kB, 640 B 16.78MHz 256 B - - 6 1 2.7 → 5.5 V
RS 제품 번호 820-9738
제조사 부품 번호ADUC845BSZ62-5
제조사Analog Devices
₩34,148.05
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ADuC8 MQFP Surface Mount 52 8051 8bit 62 kB 12.58MHz 2.304 kB - 2 10 1 5 V
RS 제품 번호 708-9864
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ADuC8 LQFP Surface Mount 48 ARM7TDMI 16 bit, 32bit 32 kB 10.24MHz 4 kB - 1 4 1 2.375 → 2.625 V
RS 제품 번호 786-3372
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RS 제품 번호 820-9731
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ADuC7 LFCSP Surface Mount 48 ARM7TDMI 16 bit, 32bit 32 kB 10.24MHz 4 kB - 1 4 1 2.5 V
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ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 12.58MHz 2.304 MB - 2 4 1 2.7 → 5.25 V
RS 제품 번호 819-7367
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ADuC7 LFCSP Surface Mount 32 ARM7TDMI 16 bit, 32bit 32 kB 10.24MHz 4 kB - 1 4 1 2.5 V
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ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 16.78MHz 2.304 kB - 2 8 1 2.7 → 5.5 V
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ADUCM LFCSP Surface Mount 48 ARM Cortex M3 32bit 128 kB 16MHz 8 kB 1 1 - 2 1.8 → 3.6 V
RS 제품 번호 497-2397
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ADuC8 MQFP Surface Mount 52 8052 8bit 8 kB, 640 B 12.58MHz 256 B - - 1 1 2.7 → 5.25 V