MPN

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

11435 Products showing for Microcontrollers

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Temporarily out of stock Microchip ATMEGA32U4-MUR, 8 bit ATmega328 Microcontroller, 16 MHz, 32kB EEPROM, 32-Pin QFP RS stock no. 333-264 Mfr. Part No. ATMEGA32U4-MUR Subtotal (1 reel of 4000 units) R 360 516,00(exc. VAT) R 90,129/unit Quantity	Microchip	-	Microcontroller	-	QFP	Surface	-	32	ATmega328	8bit	2 Wire Serial Interface, JTAG, SPI, USART, USB 2.0	32kB	-	16MHz	-	2.5kB	5.5V	-	-	-	-	-40°C	-	26	85°C	-	-	-	JTAG (IEEE std. 1149.1 ), USB 2.0	-	2.7V	-	-	-	-	-
In Stock STMicroelectronics STM32N647Z0H3Q, 32 bit ARM Cortex M55, STM32N6 ARM Microcontroller, 800 MHz, 264-Pin RS stock no. 333-641 Mfr. Part No. STM32N647Z0H3Q Subtotal (1 unit) R 336,11(exc. VAT) R 336,11/unit Quantity	STMicroelectronics	-	ARM Microcontroller	STM32N6	-	-	-	264	ARM Cortex M55	32bit	-	-	-	800MHz	-	4.2MB	3.6V	-	-	-	-	-40°C	-	165	125°C	7mm	-	-	ECOPACK2, Arm PSA Certified, SESIP Level 3	8mm	1.71V	-	-	-	-	-
In Stock Infineon CY8C4046LQI-T411, 32 bit ARM 32 Bit Cortex M0, PSoC Microcontroller, 48 MHz, 64kB FLASH, 6-Pin QFN RS stock no. 349-160 Mfr. Part No. CY8C4046LQI-T411 Subtotal (1 pack of 2 units) R 129,86(exc. VAT) R 64,93/unit Quantity	Infineon	-	Microcontroller	PSoC	QFN	Surface	-	6	ARM 32 Bit Cortex M0	32bit	-	64kB	-	48MHz	-	8kB	5.5V	-	-	-	-	-40°C	-	21	85°C	0.6mm	-	-	ISO-11898-1, and SAE J2602-2, ISO 17987-6, RoHS	3mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32C092GBU6 ARM 32 bit Cortex M0+ CPU, STM32C092 Microcontroller, 48 MHz FLASH, 28-Pin UFQFPN RS stock no. 333-674 Mfr. Part No. STM32C092GBU6 Subtotal (1 unit) R 155,34(exc. VAT) R 155,34/unit Quantity	STMicroelectronics	-	Microcontroller	STM32C092	UFQFPN	-	-	28	ARM 32 bit Cortex M0+ CPU	-	-	-	-	48MHz	-	128kB	3.6V	-	-	-	-	-45°C	-	61	80°C	-	4mm	-	No	4mm	2V	-	-	-	-	-
In Stock STMicroelectronics STM32U375KGU6 ARM Cortex M33, STM32 ARM Microcontroller, 96 MHz, 1MB FLASH, 32-Pin UFQFPN-32 RS stock no. 333-692 Mfr. Part No. STM32U375KGU6 Subtotal (1 unit) R 105,42(exc. VAT) R 105,42/unit Quantity	STMicroelectronics	-	ARM Microcontroller	STM32	UFQFPN-32	Surface	-	32	ARM Cortex M33	-	-	1MB	2 x 12	96MHz	-	256kB	3.6V	-	2	1MB	-	-40°C	-	82	85°C	0.5mm	5mm	-	RoHS, ECOPACK2	5mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32U375VGT6Q, STM32U Ultra-Low-Power MCU, 96 MHz, 1024kB FLASH, 32-Pin LQFP RS stock no. 333-604 Mfr. Part No. STM32U375VGT6Q Subtotal (1 unit) R 122,33(exc. VAT) R 122,33/unit Quantity	STMicroelectronics	-	Ultra-Low-Power MCU	STM32U	LQFP	Surface	-	32	-	-	-	1024kB	-	96MHz	-	256kB	3.6V	-	-	-	-	-40°C	-	-	85°C	0.5mm	-	-	JEDEC JESD47, ISO/IEC 7816-3, EN/IEC 60335-1	-	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32U375VGI6Q, STM32U Ultra-Low-Power MCU, 96 MHz, 1024kB FLASH, 32-Pin LQFP RS stock no. 333-601 Mfr. Part No. STM32U375VGI6Q Subtotal (1 unit) R 268,70(exc. VAT) R 268,70/unit Quantity	STMicroelectronics	-	Ultra-Low-Power MCU	STM32U	LQFP	Surface	-	32	-	-	-	1024kB	-	96MHz	-	256kB	3.6V	-	-	-	-	-40°C	-	-	85°C	0.5mm	-	-	ISO/IEC 7816-3, EN/IEC 60335-1, JEDEC JESD47	-	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32U385CGY6QTR ARM Cortex M33, STM32U3 ARM Microcontroller, 96 MHz, 1MB FLASH, 52-Pin WLCSP-52 RS stock no. 333-610 Mfr. Part No. STM32U385CGY6QTR Subtotal (1 unit) R 102,00(exc. VAT) R 102,00/unit Quantity	STMicroelectronics	-	ARM Microcontroller	STM32U3	WLCSP-52	Surface	-	52	ARM Cortex M33	-	CAN FD, SDM, SPI, UART, USART, USB	1MB	2 x 12	96MHz	-	256kB	3.6V	-	2	1MB	-	-40°C	-	82	105°C	0.58mm	3.1mm	-	ECOPACK2, RoHS	3.2mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32U385VGT6 ARM Cortex M33, STM32U3 ARM Microcontroller, 96 MHz, 1MB FLASH, 100-Pin LQFP-100 RS stock no. 333-623 Mfr. Part No. STM32U385VGT6 Subtotal (1 unit) R 126,78(exc. VAT) R 126,78/unit Quantity	STMicroelectronics	-	ARM Microcontroller	STM32U3	LQFP-100	Surface	-	100	ARM Cortex M33	-	SPI, UART, USART, USB, CAN FD, SDM	1MB	2 x 12	96MHz	-	256kB	3.6V	-	2	1MB	-	-40°C	-	82	105°C	1.4mm	14mm	-	ECOPACK2, RoHS	14mm	1.71V	-	-	-	-	-
In Stock Infineon CY8C4046FNI-T412T, 32 bit ARM 32 Bit Cortex M0, PSoC Microcontroller, 48 MHz, 64kB FLASH, 25-Pin CSP RS stock no. 349-159 Mfr. Part No. CY8C4046FNI-T412T Subtotal (1 pack of 2 units) R 135,16(exc. VAT) R 67,58/unit Quantity	Infineon	-	Microcontroller	PSoC	CSP	Surface	-	25	ARM 32 Bit Cortex M0	32bit	-	64kB	-	48MHz	-	8kB	5.5V	-	-	-	-	-40°C	-	21	85°C	0.6mm	-	-	and SAE J2602-2, ISO-11898-1, ISO 17987-6, RoHS	3mm	1.8V	-	-	-	-	-
In Stock Infineon CY8C624ALQI-S2D42, 32 bit ARM 32 Bit Cortex M4, CY8C62 Microcontroller, 150 MHz, 2048kB FLASH, 68-Pin QFN RS stock no. 349-312 Mfr. Part No. CY8C624ALQI-S2D42 Subtotal (1 unit) R 214,01(exc. VAT) R 214,01/unit Quantity	Infineon	-	Microcontroller	CY8C62	QFN	Surface	-	68	ARM 32 Bit Cortex M4	32bit	-	2048kB	-	150MHz	-	1024kB	3.6V	-	-	-	-	-40°C	-	102	100°C	6.2mm	-	-	RoHS Certificate of Compliance	16mm	1.7V	-	-	-	-	-
In Stock STMicroelectronics STM32N645B0H3Q, STM32N Microcontroller, 800 MHz, 128kB FLASH, 32-Pin VFBGA RS stock no. 333-627 Mfr. Part No. STM32N645B0H3Q Subtotal (1 unit) R 306,51(exc. VAT) R 306,51/unit Quantity	STMicroelectronics	-	Microcontroller	STM32N	VFBGA	Surface	-	32	-	-	-	128kB	-	800MHz	-	4.2MB	3.6V	-	-	-	-	-40°C	-	-	125°C	1mm	-	-	EN/IEC 60335-1, JEDEC JESD47, ISO/IEC 7816-3	-	1.71V	-	-	-	-	-
Last RS stock STMicroelectronics STM32N657Z0H3QTR, 32 bit ARM Cortex M55, STM32N6 ARM Microcontroller, 800 MHz, 264-Pin RS stock no. 333-649 Mfr. Part No. STM32N657Z0H3QTR Subtotal (1 unit) R 220,81(exc. VAT) R 220,81/unit Quantity	STMicroelectronics	-	ARM Microcontroller	STM32N6	-	-	-	264	ARM Cortex M55	32bit	-	-	-	800MHz	-	4.2MB	3.6V	-	-	-	-	-40°C	-	165	125°C	7mm	-	-	SESIP Level 3, ECOPACK2, Arm PSA Certified	8mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32N647L0H3Q, 32 bit ARM Cortex M55, STM32N6 ARM Microcontroller, 800 MHz, 264-Pin RS stock no. 333-639 Mfr. Part No. STM32N647L0H3Q Subtotal (1 unit) R 359,70(exc. VAT) R 359,70/unit Quantity	STMicroelectronics	-	ARM Microcontroller	STM32N6	-	-	-	264	ARM Cortex M55	32bit	-	-	-	800MHz	-	4.2MB	3.6V	-	-	-	-	-40°C	-	165	125°C	7mm	-	-	Arm PSA, SESIP Level 3	1mm	1.71V	-	-	-	-	-
Limited stock STMicroelectronics STM32U385CGT6, STM32U Ultra-Low-Power MCU, 96 MHz, 1024kB FLASH, 32-Pin LQFP RS stock no. 333-605 Mfr. Part No. STM32U385CGT6 Subtotal (1 unit) R 107,42(exc. VAT) R 107,42/unit Quantity	STMicroelectronics	-	Ultra-Low-Power MCU	STM32U	LQFP	Surface	-	32	-	-	-	1024kB	-	96MHz	-	256kB	3.6V	-	-	-	-	-40°C	-	-	85°C	0.5mm	-	-	JEDEC JESD47, EN/IEC 60335-1, ISO/IEC 7816-3	-	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32N645I0H3Q, STM32N Microcontroller, 800 MHz, 4.2MB FLASH, 32-Pin VFBGA RS stock no. 333-629 Mfr. Part No. STM32N645I0H3Q Subtotal (1 unit) R 197,10(exc. VAT) R 197,10/unit Quantity	STMicroelectronics	-	Microcontroller	STM32N	VFBGA	Surface	-	32	-	-	-	4.2MB	-	800MHz	-	4.2MB	3.6V	-	-	-	-	-40°C	-	-	125°C	1mm	-	-	EN/IEC 60335-1, ISO/IEC 7816-3, JEDEC JESD47	-	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32U385RGI6Q ARM Microcontroller RS stock no. 333-614 Mfr. Part No. STM32U385RGI6Q Subtotal (1 unit) R 116,10(exc. VAT) R 116,10/unit Quantity	STMicroelectronics	-	ARM Microcontroller	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	RoHS	-	-	-	-	-	-	-
Temporarily out of stock Microchip PIC32CX5109BZ31032T-V/RTB, 32 bit ARM Cortex M4F Microcontroller, 64 MHz, 512kB FLASH, 32-Pin QFN-32 RS stock no. 333-090 Mfr. Part No. PIC32CX5109BZ31032T-V/RTB Subtotal (1 reel of 3300 units) R 98 412,60(exc. VAT) R 29,822/unit Quantity	Microchip	-	Microcontroller	-	QFN-32	-	-	32	ARM Cortex M4F	32bit	-	512kB	1 x 7 Bit	64MHz	-	-	3.6V	-	2	-	-	-40°C	-	14	125°C	-	5mm	-	Zigbee 3.0, IEEE 802.15.4, Bluetooth Low Energy 5.2	-	1.9V	-	-	-	-	-
In Stock STMicroelectronics STM32U385VGT6Q ARM Cortex M33, STM32U3 ARM Microcontroller, 96 MHz, 1MB FLASH, 100-Pin LQFP-100 RS stock no. 333-624 Mfr. Part No. STM32U385VGT6Q Subtotal (1 unit) R 126,78(exc. VAT) R 126,78/unit Quantity	STMicroelectronics	-	ARM Microcontroller	STM32U3	LQFP-100	Surface	-	100	ARM Cortex M33	-	CAN FD, SDM, SPI, UART, USART, USB	1MB	2 x 12	96MHz	-	256kB	3.6V	-	2	1MB	-	-40°C	-	82	85°C	1.4mm	14mm	-	ECOPACK2, RoHS	14mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32U385RGY6QTR ARM Cortex M33, STM32U3 ARM Microcontroller, 96 MHz, 1MB FLASH, 68-Pin WLCSP-68 RS stock no. 333-618 Mfr. Part No. STM32U385RGY6QTR Subtotal (1 unit) R 102,00(exc. VAT) R 102,00/unit Quantity	STMicroelectronics	-	ARM Microcontroller	STM32U3	WLCSP-68	Surface	-	68	ARM Cortex M33	-	UART, SPI, SDM, USB, USART, CAN FD	1MB	2 x 12	96MHz	-	256kB	3.6V	-	2	1MB	-	-40°C	-	82	85°C	0.58mm	3.1mm	-	RoHS, ECOPACK2	3.2mm	1.71V	-	-	-	-	-