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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. Learn more in our microcontrollers guide.

What are Microcontrollers made up of?

Microcontrollers contain single or multiple processors, 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 available for Microcontrollers?

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?

MCUs can be found in many technologies and any electronic device containing a sensor, a display, a user interface and a programmable output control or actuator is likely to feature an MCU. They can be found in the following areas:

Computers
Automotive
Robotics
Automation
Medical equipment
Home appliances
IoT devices

11454 Products showing for Microcontrollers

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In Stock ROHM ML62Q2713-NNNTBZWBY, 16 bit 16 Bit MCU, ML62Q2700 Group Microcontroller, 25 MHz, 96kB FLASH, 52-Pin TQFP RS stock no. 265-110 Mfr. Part No. ML62Q2713-NNNTBZWBY Subtotal (1 tape of 2 units) R 110,78(exc. VAT) R 55,39/unit Quantity	ROHM	-	Microcontroller	ML62Q2700 Group	TQFP	Surface	-	52	16 Bit MCU	16bit	UART, SSIO, I2C Bus	96kB	12	25MHz	-	8kB	5.5V	-	3	-	-	-40°C	-	92	105°C	-	10mm	-	Safety function (IEC60730/60335 Class B)	1mm	1.8V	-	-	-	-	-
In Stock STMicroelectronics STM32C091CCT6 ARM 32 bit Cortex M0+ CPU, STM32C091 Microcontroller, 48 MHz FLASH, 48-Pin LQFP RS stock no. 315-755 Mfr. Part No. STM32C091CCT6 Subtotal (1 unit) R 27,45(exc. VAT) R 27,45/unit Quantity	STMicroelectronics	-	Microcontroller	STM32C091	LQFP	-	-	48	ARM 32 bit Cortex M0+ CPU	-	-	-	-	48MHz	-	256kB	3.6V	-	-	-	-	-45°C	-	61	80°C	-	7mm	-	No	7mm	2V	-	-	-	-	-
In Stock STMicroelectronics STM32C051D8Y6TR ARM Cortex, STM32C051 Microcontroller, 48 MHz, 64kB FLASH, 48-Pin WLCSP RS stock no. 315-749 Mfr. Part No. STM32C051D8Y6TR Subtotal (1 unit) R 23,92(exc. VAT) R 23,92/unit Quantity	STMicroelectronics	-	Microcontroller	STM32C051	WLCSP	-	-	48	ARM Cortex	-	-	64kB	-	48MHz	-	-	3.6V	-	-	-	-	-40°C	-	48	85°C	7mm	7mm	-	No	7mm	2V	-	-	-	-	-
Temporarily out of stock STMicroelectronics STM32C092KCU6 ARM 32 bit Cortex M0+ CPU, STM32C092 Microcontroller, 48 MHz FLASH, 32-Pin UFQFPN RS stock no. 315-766 Mfr. Part No. STM32C092KCU6 Subtotal (1 unit) R 160,01(exc. VAT) R 160,01/unit Quantity	STMicroelectronics	-	Microcontroller	STM32C092	UFQFPN	-	-	32	ARM 32 bit Cortex M0+ CPU	-	-	-	-	48MHz	-	256kB	3.6V	-	-	-	-	-45°C	-	61	80°C	-	5mm	-	No	5mm	2V	-	-	-	-	-
In Stock STMicroelectronics STM32WL33CCV6A, 32 bit ARM 32 Bit Cortex M0, STM32WL33xx Microcontroller, 958 MHz, 256kB FLASH, RS stock no. 285-653 Mfr. Part No. STM32WL33CCV6A Subtotal (1 unit) R 227,88(exc. VAT) R 227,88/unit Quantity	STMicroelectronics	-	Microcontroller	STM32WL33xx	VFQFPN-32	Surface	-	32	ARM 32 Bit Cortex M0	32bit	-	256kB	1 x 6 Bit	958MHz	-	32kB	3.6V	-	1	-	-	-40°C	-	32	105°C	7mm	5mm	-	ARIB STD T67, ARIB STD T108, FCC part 90, FCC Part 15, ETSI EN 303 131, ETSI EN 300 220, ECOPACK2	6mm	1.7V	-	-	-	-	-
In Stock STMicroelectronics STM32C091RCT6 ARM 32 bit Cortex M0+ CPU, STM32C091 Microcontroller, 48 MHz FLASH, 64-Pin LQFP RS stock no. 315-738 Mfr. Part No. STM32C091RCT6 Subtotal (1 unit) R 30,27(exc. VAT) R 30,27/unit Quantity	STMicroelectronics	-	Microcontroller	STM32C091	LQFP	-	-	64	ARM 32 bit Cortex M0+ CPU	-	-	-	-	48MHz	-	256kB	3.6V	-	-	-	-	-45°C	-	61	80°C	-	5mm	-	No	5mm	2V	-	-	-	-	-
In Stock STMicroelectronics STM32C091CCU6 ARM 32 bit Cortex M0+ CPU, STM32C091 Microcontroller, 48 MHz FLASH, 48-Pin UFQFPN RS stock no. 315-767 Mfr. Part No. STM32C091CCU6 Subtotal (1 unit) R 27,45(exc. VAT) R 27,45/unit Quantity	STMicroelectronics	-	Microcontroller	STM32C091	UFQFPN	-	-	48	ARM 32 bit Cortex M0+ CPU	-	-	-	-	48MHz	-	256kB	3.6V	-	-	-	-	-45°C	-	61	80°C	-	7mm	-	No	7mm	2V	-	-	-	-	-
In Stock STMicroelectronics STM32WL33K8V7, 32 bit ARM 32 Bit Cortex M0, STM32WL33xx Microcontroller, 958 MHz, 256kB FLASH, 32-Pin RS stock no. 285-623 Mfr. Part No. STM32WL33K8V7 Subtotal (1 unit) R 75,60(exc. VAT) R 75,60/unit Quantity	STMicroelectronics	-	Microcontroller	STM32WL33xx	VFQFPN-32	Surface	-	32	ARM 32 Bit Cortex M0	32bit	-	256kB	1 x 6 Bit	958MHz	-	32kB	3.6V	-	1	-	-	-40°C	-	-	105°C	7mm	5mm	-	ECOPACK2, ETSI EN 300 220, ETSI EN 303 131, FCC part 15/90, ARIB STD T67/T108	6mm	1.7V	-	-	-	-	-
In Stock Microchip PIC32CZ8110CA80208-I/8MX-SL3, 32 bit ARM Cortex M7, PIC32CZ CA80/CA90 Family Microcontroller, 300 MHz, 8192kB RS stock no. 302-627 Mfr. Part No. PIC32CZ8110CA80208-I/8MX-SL3 Subtotal (1 unit) R 153,93(exc. VAT) R 153,93/unit Quantity	Microchip	-	Microcontroller	PIC32CZ CA80/CA90 Family	BGA	Surface	-	208	ARM Cortex M7	32bit	-	8192kB	7 bit	300MHz	-	1MB	3.63V	-	2	-	-	-40°C	-	157	85°C	1.19mm	15mm	-	RoHS	-	1.75V	-	-	-	-	-
Currently unavailable STMicroelectronics STM32WBA65RGV6, 32 bit ARM Cortex M33, STM32WBA6xxx Microcontroller, 100 MHz, 1MB FLASH, 68-Pin RS stock no. 330-299 Mfr. Part No. STM32WBA65RGV6 Subtotal (1 unit) R 68,40(exc. VAT) R 68,40/unit Quantity	STMicroelectronics	-	Microcontroller	STM32WBA6xxx	VFQFPN	Surface	-	68	ARM Cortex M33	32bit	-	1MB	-	100MHz	-	512kB	3.6V	-	2	-	-	-40°C	-	86	105°C	3.46mm	5mm	-	ARIB STD-T66, EN 300 440, ETSI EN 300 328, FCC CFR47 part 15	8mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32C091KCU6 ARM 32 bit Cortex M0+ CPU, STM32C091 Microcontroller, 48 MHz FLASH, 32-Pin UFQFPN RS stock no. 315-764 Mfr. Part No. STM32C091KCU6 Subtotal (1 unit) R 175,14(exc. VAT) R 175,14/unit Quantity	STMicroelectronics	-	Microcontroller	STM32C091	UFQFPN	-	-	32	ARM 32 bit Cortex M0+ CPU	-	-	-	-	48MHz	-	256kB	3.6V	-	-	-	-	-45°C	-	61	80°C	-	5mm	-	No	5mm	2V	-	-	-	-	-
In Stock ROHM ML62Q2045-NNNGDZW5BY, 16 bit 16 Bit CPU, ML62Q2033/2035/2043/2045 Microcontroller, 64 MHz, 32kB FLASH, 24-Pin RS stock no. 329-117 Mfr. Part No. ML62Q2045-NNNGDZW5BY Subtotal (1 tape of 5 units) R 214,09(exc. VAT) R 42,818/unit Quantity	ROHM	-	Microcontroller	ML62Q2033/2035/2043/2045	WQFN24	Surface	-	24	16 Bit CPU	16bit	-	32kB	8 Bit	64MHz	-	2kB	5.5V	-	3	-	1W	-40°C	-	20	105°C	-	4mm	-	RoHS	4mm	4.5V	-	-	-	-	-
In Stock STMicroelectronics STM32WBA64CGU6, 32 bit ARM Cortex M33, STM32WBA6xxx Microcontroller, 100 MHz, 1MB FLASH, 48-Pin RS stock no. 330-282 Mfr. Part No. STM32WBA64CGU6 Subtotal (1 unit) R 67,14(exc. VAT) R 67,14/unit Quantity	STMicroelectronics	-	Microcontroller	STM32WBA6xxx	UFQFPN	Surface	-	48	ARM Cortex M33	32bit	-	1MB	-	100MHz	-	512kB	3.6V	-	2	-	-	-40°C	-	86	105°C	3.46mm	5mm	-	FCC CFR47 part 15, ETSI EN 300 328, EN 300 440, ECOPACK2, ARIB STD-T66	7mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32G0C1CET6TR, 32 bit ARM Cortex M0+, STM32G0C1xC/xE Microcontroller, 64 MHz, 512kB FLASH, 48-Pin RS stock no. 330-258 Mfr. Part No. STM32G0C1CET6TR Subtotal (1 unit) R 114,24(exc. VAT) R 114,24/unit Quantity	STMicroelectronics	-	Microcontroller	STM32G0C1xC/xE	LQFP	Surface	-	48	ARM Cortex M0+	32bit	-	512kB	2 x 12 Bit	64MHz	-	144kB	3.6V	-	3	-	-	-40°C	-	94	125°C	7mm	5.1mm	-	ECOPACK 2	6.5mm	1.7V	-	-	-	-	-
In Stock STMicroelectronics STM32C051K6U6 ARM Cortex, STM32C051 Microcontroller, 48 MHz, 32kB FLASH, 32-Pin UFQFPN RS stock no. 315-732 Mfr. Part No. STM32C051K6U6 Subtotal (1 unit) R 139,54(exc. VAT) R 139,54/unit Quantity	STMicroelectronics	-	Microcontroller	STM32C051	UFQFPN	-	-	32	ARM Cortex	-	-	32kB	-	48MHz	-	-	3.6V	-	-	-	-	-40°C	-	48	85°C	5mm	5mm	-	No	5mm	2V	-	-	-	-	-
Temporarily out of stock STMicroelectronics STM32C051K6T6 ARM Cortex, STM32C051 Microcontroller, 48 MHz, 32kB FLASH, 32-Pin LQFP RS stock no. 315-730 Mfr. Part No. STM32C051K6T6 Subtotal (1 unit) R 39,02(exc. VAT) R 39,02/unit Quantity	STMicroelectronics	-	Microcontroller	STM32C051	LQFP	-	-	32	ARM Cortex	-	-	32kB	-	48MHz	-	-	3.6V	-	-	-	-	-40°C	-	48	85°C	7mm	7mm	-	No	7mm	2V	-	-	-	-	-
In Stock Microchip PIC32CZ8110CA90208-I/8MX-SL3, 32 bit ARM Cortex M7, PIC32CZ CA80/CA90 Family Microcontroller, 300 MHz, 8192kB RS stock no. 302-626 Mfr. Part No. PIC32CZ8110CA90208-I/8MX-SL3 Subtotal (1 unit) R 147,03(exc. VAT) R 147,03/unit Quantity	Microchip	-	Microcontroller	PIC32CZ CA80/CA90 Family	BGA	Surface	-	208	ARM Cortex M7	32bit	-	8192kB	7 bit	300MHz	-	1MB	3.63V	-	2	-	-	-40°C	-	157	85°C	1.19mm	15mm	-	RoHS	-	1.75V	-	-	-	-	-
In Stock Microchip EV67K87A, 32 bit dsPIC33, EV67K Interface Development Kit, 200 MHz, 128kB FLASH, 64-Pin TQFP RS stock no. 302-601 Mfr. Part No. EV67K87A Subtotal (1 unit) R 588,50(exc. VAT) R 588,50/unit Quantity	Microchip	-	Interface Development Kit	EV67K	TQFP	-	-	64	dsPIC33	32bit	-	128kB	-	200MHz	-	-	6.3V	-	-	-	0.6W	-40°C	-	-	85°C	51mm	51mm	-	RoHS, ANSI/ESD S20.20:2021	35mm	3.6V	-	-	-	-	-
Currently unavailable STMicroelectronics STM32WBA65CGU7, 32 bit ARM Cortex M33, STM32WBA6xxx Microcontroller, 100 MHz, 1MB FLASH, 48-Pin RS stock no. 330-289 Mfr. Part No. STM32WBA65CGU7 Subtotal (1 unit) R 72,18(exc. VAT) R 72,18/unit Quantity	STMicroelectronics	-	Microcontroller	STM32WBA6xxx	UFQFPN	Surface	-	48	ARM Cortex M33	32bit	-	1MB	-	100MHz	-	512kB	3.6V	-	2	-	-	-40°C	-	86	105°C	3.46mm	5mm	-	ECOPACK2, ARIB STD-T66, EN 300 440, ETSI EN 300 328, FCC CFR47 part 15	7mm	1.71V	-	-	-	-	-
Currently unavailable STMicroelectronics STM32WBA65RIV7, 32 bit ARM Cortex M33, STM32WBA6xxx Microcontroller, 100 MHz, 2MB FLASH, 68-Pin RS stock no. 330-305 Mfr. Part No. STM32WBA65RIV7 Subtotal (1 unit) R 164,98(exc. VAT) R 164,98/unit Quantity	STMicroelectronics	-	Microcontroller	STM32WBA6xxx	VFQFPN	Surface	-	68	ARM Cortex M33	32bit	-	2MB	-	100MHz	-	512kB	3.6V	-	2	-	-	-40°C	-	86	105°C	3.46mm	5mm	-	ARIB STD-T66, EN 300 440, ETSI EN 300 328, FCC CFR47 part 15	8mm	1.71V	-	-	-	-	-