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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

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In Stock STMicroelectronics STM32MP211CAL3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP211 Microprocessor, 1.2 GHz, 0MB RS stock no. 782-139 Mfr. Part No. STM32MP211CAL3 Subtotal (1 unit) R 223,81(exc. VAT) R 223,81/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP211	VFBGA-361	Surface	-	361	ARM Cortex A35, ARM Cortex M33	16bit	Ethernet	0MB	-	1.2GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1mm	10mm	-	RoHS	10mm	1.71V	-	-	-	-	-
Temporarily out of stock STMicroelectronics STM32MP215CAN3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP215 Microprocessor, 1.2 GHz, 0MB RS stock no. 782-173 Mfr. Part No. STM32MP215CAN3 Subtotal (1 unit) R 218,54(exc. VAT) R 218,54/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP215	VFBGA	Surface	-	273	ARM Cortex A35, ARM Cortex M33	16bit	CAN FD, Ethernet, MIPI, RGB 24Bit	0MB	-	1.2GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1mm	11mm	-	RoHS	11mm	1.71V	-	-	-	-	-
Temporarily out of stock Microchip PIC32CM6408PL10028T-I/3LW, 32 bit PIC32, PIC32CM ARM Microcontroller, 24 MHz, 64kB FLASH, 28-Pin VQFN RS stock no. 801-806 Mfr. Part No. PIC32CM6408PL10028T-I/3LW Subtotal (1 reel of 3300 units) R 38 633,10(exc. VAT) R 11,707/unit Quantity	Microchip	-	ARM Microcontroller	PIC32CM	VQFN	Surface	-	28	PIC32	32bit	I2C, SPI	64kB	-	24MHz	-	8kB	5.5V	-	2	-	800mW	-40°C	-	Upto 55	85°C	1mm	4mm	-	-	4mm	1.8V	-	-	-	-	-
Temporarily out of stock STMicroelectronics STM32MP211DAN3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP211 Microprocessor, 1.5 GHz, 0MB RS stock no. 782-145 Mfr. Part No. STM32MP211DAN3 Subtotal (1 unit) R 192,95(exc. VAT) R 192,95/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP211	VFBGA	Surface	-	273	ARM Cortex A35, ARM Cortex M33	16bit	Ethernet	0MB	-	1.5GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1mm	11mm	-	RoHS	11mm	1.71V	-	-	-	-	-
Temporarily out of stock STMicroelectronics STM32MP211CAN3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP211 Microprocessor, 1.2 GHz, 0MB RS stock no. 782-141 Mfr. Part No. STM32MP211CAN3 Subtotal (1 unit) R 141,76(exc. VAT) R 141,76/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP211	VFBGA	Surface	-	273	ARM Cortex A35, ARM Cortex M33	16bit	Ethernet	0MB	-	1.2GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1mm	11mm	-	RoHS	11mm	1.71V	-	-	-	-	-
Temporarily out of stock Microchip PIC32CM6408PL10064T-E/PT, 32 bit PIC32, PIC32CM ARM Microcontroller, 24 MHz, 64kB FLASH, 64-Pin TQFP RS stock no. 801-824 Mfr. Part No. PIC32CM6408PL10064T-E/PT Subtotal (1 reel of 1200 units) R 38 566,80(exc. VAT) R 32,139/unit Quantity	Microchip	-	ARM Microcontroller	PIC32CM	TQFP	Surface	-	64	PIC32	32bit	I2C, SPI	64kB	-	24MHz	-	8kB	5.5V	-	2	-	800mW	-40°C	-	Upto 55	125°C	1.2mm	12mm	-	-	12mm	1.8V	-	-	-	-	-
Temporarily out of stock Microchip ATSAMD21E18A-MUT, 32 bit ARM Cortex M0, ATSAMD21 Microcontroller, 48 MHz, 256kB FLASH, 32-Pin VQFN RS stock no. 764-327 Mfr. Part No. ATSAMD21E18A-MUT Subtotal (1 tape of 5000 units) R 271 500,00(exc. VAT) R 54,30/unit Quantity	Microchip	-	Microcontroller	ATSAMD21	VQFN	Surface	-	32	ARM Cortex M0	32bit	I2C, SPI, USB	256kB	1	48MHz	-	32kB	3.63V	-	2	-	-	-40°C	-	26	85°C	0.9mm	5mm	-	RoHS	5mm	1.62V	-	-	-	-	-
In Stock STMicroelectronics STM32C5A3CGT6, 32 bit ARM Cortex M33, STM32C5Axxx 32 Bit Microcontroller, 144 MHz, 1MB FLASH, 48-Pin RS stock no. 800-442 Mfr. Part No. STM32C5A3CGT6 Subtotal (1 unit) R 86,72(exc. VAT) R 86,72/unit Quantity	STMicroelectronics	-	32 Bit Microcontroller	STM32C5Axxx	LQFP-48	Surface	-	48	ARM Cortex M33	32bit	CAN FD, I2C, I3C, LPUART, SPI, USART, USB	1MB	1	144MHz	-	256kB	3.6V	-	1	-	-	40°C	-	38	140°C	1.6mm	7mm	-	IEC 60335-1	7mm	2.7V	-	-	-	-	-
In Stock STMicroelectronics STM32C542KCT6, 32 bit 32 bit Core, STM32C5 32 Bit Microcontroller, 144 MHz, 256kB FLASH, 32-Pin LQFP RS stock no. 780-187 Mfr. Part No. STM32C542KCT6 Subtotal (1 unit) R 56,23(exc. VAT) R 56,23/unit Quantity	STMicroelectronics	-	32 Bit Microcontroller	STM32C5	LQFP	Surface	-	32	32 bit Core	32bit	I2C, I3C, SPI, UART, USB	256kB	1 x 12-bit DAC Channel	144MHz	-	1024000bit	3.6V	-	1	-	-	-40°C	-	-	85°C	-	7mm	-	ISO	7mm	2.7V	-	-	-	-	-
Temporarily out of stock STMicroelectronics STM32MP211AAN3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP211 Microprocessor, 1.2 GHz, 0MB RS stock no. 782-137 Mfr. Part No. STM32MP211AAN3 Subtotal (1 unit) R 182,71(exc. VAT) R 182,71/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP211	VFBGA	Surface	-	273	ARM Cortex A35, ARM Cortex M33	16bit	Ethernet	0MB	-	1.2GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1mm	11mm	-	RoHS	11mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32MP213FAL3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP213 Microprocessor, 1.5 GHz, 0MB RS stock no. 782-163 Mfr. Part No. STM32MP213FAL3 Subtotal (1 unit) R 247,10(exc. VAT) R 247,10/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP213	VFBGA-361	Surface	-	361	ARM Cortex A35, ARM Cortex M33	16bit	CAN FD, Ethernet, RGB 24Bit	0MB	-	1.5GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1mm	10mm	-	RoHS	10mm	1.71V	-	-	-	-	-
Temporarily out of stock Microchip PIC32CM6408PL10064T-I/PT, 32 bit PIC32, PIC32CM ARM Microcontroller, 24 MHz, 64kB FLASH, 64-Pin TQFP RS stock no. 801-827 Mfr. Part No. PIC32CM6408PL10064T-I/PT Subtotal (1 reel of 1200 units) R 19 827,60(exc. VAT) R 16,523/unit Quantity	Microchip	-	ARM Microcontroller	PIC32CM	TQFP	Surface	-	64	PIC32	32bit	I2C, SPI	64kB	-	24MHz	-	8kB	5.5V	-	2	-	800mW	-40°C	-	Upto 55	85°C	1.2mm	12mm	-	-	12mm	1.8V	-	-	-	-	-
In Stock STMicroelectronics STM32MP215AAM3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP215 Microprocessor, 1.2 GHz, 0MB RS stock no. 782-168 Mfr. Part No. STM32MP215AAM3 Subtotal (1 unit) R 155,26(exc. VAT) R 155,26/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP215	TFBGA	Surface	-	289	ARM Cortex A35, ARM Cortex M33	16bit	CAN FD, Ethernet, MIPI, RGB 24Bit	0MB	-	1.2GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1.2mm	14mm	-	RoHS	14mm	1.71V	-	-	-	-	-
Temporarily out of stock Microchip PIC32CM6408PL10032-E/PT, 32 bit PIC32, PIC32CM ARM Microcontroller, 24 MHz, 64kB FLASH, 32-Pin TQFP RS stock no. 801-808 Mfr. Part No. PIC32CM6408PL10032-E/PT Subtotal (1 box of 1000 units) R 13 687,00(exc. VAT) R 13,687/unit Quantity	Microchip	-	ARM Microcontroller	PIC32CM	TQFP	Surface	-	32	PIC32	32bit	I2C, SPI	64kB	-	24MHz	-	8kB	5.5V	-	2	-	800mW	-40°C	-	Upto 55	125°C	1.2mm	9mm	-	-	9mm	1.8V	-	-	-	-	-
Temporarily out of stock STMicroelectronics STM32MP213DAM3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP213 Microprocessor, 1.5 GHz, 0MB RS stock no. 782-160 Mfr. Part No. STM32MP213DAM3 Subtotal (1 unit) R 216,98(exc. VAT) R 216,98/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP213	TFBGA	Surface	-	289	ARM Cortex A35, ARM Cortex M33	16bit	CAN FD, Ethernet, RGB 24Bit	0MB	-	1.5GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1.2mm	14mm	-	RoHS	14mm	1.71V	-	-	-	-	-
Temporarily out of stock STMicroelectronics STM32MP211AAM3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP211 Microprocessor, 1.2 GHz, 0MB RS stock no. 782-136 Mfr. Part No. STM32MP211AAM3 Subtotal (1 unit) R 280,06(exc. VAT) R 280,06/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP211	TFBGA	Surface	-	289	ARM Cortex A35, ARM Cortex M33	16bit	Ethernet	0MB	-	1.2GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1.2mm	14mm	-	RoHS	14mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32MP213AAM3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP213 Microprocessor, 1.2 GHz, 0MB RS stock no. 782-152 Mfr. Part No. STM32MP213AAM3 Subtotal (1 unit) R 207,12(exc. VAT) R 207,12/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP213	TFBGA	Surface	-	289	ARM Cortex A35, ARM Cortex M33	16bit	CAN FD, Ethernet, RGB 24Bit	0MB	-	1.2GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1.2mm	14mm	-	RoHS	14mm	1.71V	-	-	-	-	-
In Stock STMicroelectronics STM32MP215CAM3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP215 Microprocessor, 1.2 GHz, 0MB RS stock no. 782-172 Mfr. Part No. STM32MP215CAM3 Subtotal (1 unit) R 232,71(exc. VAT) R 232,71/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP215	TFBGA	Surface	-	289	ARM Cortex A35, ARM Cortex M33	16bit	CAN FD, Ethernet, MIPI, RGB 24Bit	0MB	-	1.2GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1.2mm	14mm	-	RoHS	14mm	1.71V	-	-	-	-	-
Temporarily out of stock Microchip PIC32CM6408PL10064T-E/5LX, 32 bit PIC32, PIC32CM ARM Microcontroller, 24 MHz, 64kB FLASH, 64-Pin VQFN RS stock no. 801-823 Mfr. Part No. PIC32CM6408PL10064T-E/5LX Subtotal (1 reel of 3300 units) R 69 257,10(exc. VAT) R 20,987/unit Quantity	Microchip	-	ARM Microcontroller	PIC32CM	VQFN	Surface	-	64	PIC32	32bit	I2C, SPI	64kB	-	24MHz	-	8kB	5.5V	-	2	-	800mW	-40°C	-	Upto 55	125°C	1mm	9mm	-	-	9mm	1.8V	-	-	-	-	-
Temporarily out of stock STMicroelectronics STM32MP213CAN3, 16 bit ARM Cortex A35, ARM Cortex M33, STM32MP213 Microprocessor, 1.2 GHz, 0MB RS stock no. 782-157 Mfr. Part No. STM32MP213CAN3 Subtotal (1 unit) R 208,52(exc. VAT) R 208,52/unit Quantity	STMicroelectronics	-	Microprocessor	STM32MP213	VFBGA	Surface	-	273	ARM Cortex A35, ARM Cortex M33	16bit	CAN FD, Ethernet, RGB 24Bit	0MB	-	1.2GHz	-	456kB	3.6V	-	2	4GB	-	-40°C	-	123	125°C	1mm	11mm	-	RoHS	11mm	1.71V	-	-	-	-	-