Microcontrollers

Browse available Microcontrollers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

Compare Part Numbers Review available models and manufacturers

Datasheets & Specifications Access technical references quickly

RFQ & BOM Support Send quantities for sourcing and quotation

Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Series	Packaging	Product Status	Programmable	Core Processor	Core Size	Speed	Connectivity	Peripherals	Number of I/O	Program Memory Size	Program Memory Type	EEPROM Size	RAM Size	Voltage - Supply (Vcc/Vdd)	Data Converters	Oscillator Type	Operating Temperature	Grade	Qualification	Mounting Type
ATSAMD21J18A-AFT IC MCU 32BIT 256KB FLASH 64TQFP Microchip Technology	22,295	-	RFQ	Datasheet	64-TQFP	SAM D21J, Functional Safety (FuSa)	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M0+	32-Bit Single-Core	48MHz	I2C, LINbus, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	52	256KB (256K x 8)	FLASH	-	32K x 8	1.62V ~ 3.6V	A/D 20x12b; D/A 1x10b	Internal	-40°C ~ 125°C (TA)	Automotive	AEC-Q100	Surface Mount
ATMEGA32A-PU IC MCU 8BIT 32KB FLASH 40DIP Microchip Technology	6,255	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	AVR® ATmega	Tube	Active	Verified	AVR	8-Bit	16MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	32KB (16K x 16)	FLASH	1K x 8	2K x 8	2.7V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
PIC18F66K22T-I/PT IC MCU 8BIT 64KB FLASH 64TQFP Microchip Technology	4,376	-	RFQ	Datasheet	64-TQFP	PIC® XLP™ 18K	Tape & Reel (TR)	Active	Verified	PIC	8-Bit	64MHz	I2C, LINbus, SPI, UART/USART	Brown-out Detect/Reset, LVD, POR, PWM, WDT	53	64KB (32K x 16)	FLASH	1K x 8	4K x 8	1.8V ~ 5.5V	A/D 16x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
CY8C4246LTI-M445 IC MCU 32BIT 64KB FLASH 68QFN Infineon Technologies	2,195	-	RFQ	Datasheet	68-VFQFN Exposed Pad	PSOC™ 4 CY8C42xx - M	Tray	Active	Not Verified	ARM® Cortex®-M0	32-Bit Single-Core	48MHz	I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART	Brown-out Detect/Reset, Cap Sense, LCD, LVD, POR, PWM, SmartSense, WDT	55	64KB (64K x 8)	FLASH	-	8K x 8	1.71V ~ 5.5V	A/D 16x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F920-G-GM IC MCU 8BIT 32KB FLASH 32VFQFN Silicon Labs	8,931	-	RFQ	Datasheet	32-VFQFN Exposed Pad	C8051F9xx	Tube	Active	Not Verified	8051	8-Bit	25MHz	SMBus (2-Wire/I2C), SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	24	32KB (32K x 8)	FLASH	-	4.25K x 8	0.9V ~ 3.6V	A/D 23x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32F072CBT6TR IC MCU 32BIT 128KB FLASH 48LQFP STMicroelectronics	2,710	-	RFQ	Datasheet	48-LQFP	STM32F0	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M0	32-Bit Single-Core	48MHz	CANbus, HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB	DMA, I2S, POR, PWM, WDT	37	128KB (128K x 8)	FLASH	-	16K x 8	1.65V ~ 3.6V	A/D 10x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
R7FA4M2AD3CFL#AA0 IC MCU 32BIT 512KB 48LFQFP Renesas Electronics Corporation	572	-	RFQ	Datasheet	48-LQFP	RA4M2	Tray	Active	Not Verified	ARM® Cortex®-M33	32-Bit Single-Core	100MHz	CANbus, I2C, QSPI, SCI, SPI, UART/USART, USB	Capacitive Touch, Crypto - AES, DMA, LVD, POR, PWM, RSA, SHA, Temp Sensor, WDT	30	512KB (512K x 8)	-	8K x 8	128K x 8	2.7V ~ 3.6V	A/D 7x12b SAR; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
ATSAML21J17B-MNT IC MCU 32BIT 128KB FLASH 64QFN Microchip Technology	8,511	-	RFQ	Datasheet	64-VFQFN Exposed Pad	SAM L21J, Functional Safety (FuSa)	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M0+	32-Bit Single-Core	48MHz	I2C, LINbus, SCI, SPI, UART/USART, USB	DMA, POR, PWM, WDT	51	128KB (128K x 8)	FLASH	-	16K x 8	1.62V ~ 3.63V	A/D 20x12b; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
MSP430F2252IRHAR IC MCU 16BIT 16KB FLASH 40VQFN Texas Instruments	7,768	-	RFQ	Datasheet	40-VFQFN Exposed Pad	MSP430F2xx	Tape & Reel (TR)	Active	Not Verified	MSP430 CPU16	16-Bit	16MHz	I2C, IrDA, LINbus, SCI, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	16KB (16K x 8 + 256B)	FLASH	-	512 x 8	1.8V ~ 3.6V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L433RCI3 IC MCU 32BIT 256KB FLASH 64UFBGA STMicroelectronics	10,606	-	RFQ	Datasheet	64-UFBGA	STM32L4	Tray	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB	Brown-out Detect/Reset, DMA, LCD, PWM, WDT	52	256KB (256K x 8)	FLASH	-	64K x 8	1.71V ~ 3.6V	A/D 16x12b; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
MSP430F2252IDAR IC MCU 16BIT 16KB FLASH 38TSSOP Texas Instruments	5,674	-	RFQ	Datasheet	38-TSSOP (0.240", 6.10mm Width)	MSP430F2xx	Tape & Reel (TR)	Active	Not Verified	MSP430 CPU16	16-Bit	16MHz	I2C, IrDA, LINbus, SCI, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	16KB (16K x 8 + 256B)	FLASH	-	512 x 8	1.8V ~ 3.6V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
DSPIC33CK256MP508-I/PT IC MCU 16BIT 256KB FLASH 80TQFP Microchip Technology	527	-	RFQ	Datasheet	80-TQFP	dsPIC™ 33CK, Functional Safety (FuSa)	Tray	Active	Not Verified	dsPIC	16-Bit	100MHz	CANbus, I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, QEI, WDT	69	256KB (256K x 8)	FLASH	-	24K x 8	3V ~ 3.6V	A/D 24x12b; D/A 3x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC24FJ128GA606-I/PT IC MCU 16BIT 128KB FLASH 64TQFP Microchip Technology	376	-	RFQ	Datasheet	64-TQFP	PIC® 24F	Tray	Active	Not Verified	PIC	16-Bit	32MHz	I2C, IrDA, LINbus, PMP, SPI, UART/USART	Brown-out Detect/Reset, DMA, HLVD, POR, PWM, WDT	53	128KB (43K x 24)	FLASH	-	32K x 8	2V ~ 3.6V	A/D 16x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
DSPIC33CK512MP605-I/PT IC MCU 16BIT 512KB FLASH 48TQFP Microchip Technology	126	-	RFQ	Datasheet	48-TQFP	-	Tray	Active	Not Verified	dsPIC	16-Bit	100MIPs	CANbus, I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, DMA, I2S, Motor Control, POR, PWM, QEI, WDT	39	512KB (512K x 8)	FLASH	-	64K x 8	3V ~ 3.6V	A/D 19x12b SAR; D/A 6x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L433RBT6 IC MCU 32BIT 128KB FLASH 64LQFP STMicroelectronics	530	-	RFQ	Datasheet	64-LQFP	STM32L4	Tray	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB	Brown-out Detect/Reset, DMA, LCD, PWM, WDT	52	128KB (128K x 8)	FLASH	-	64K x 8	1.71V ~ 3.6V	A/D 16x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM32PG23B210F256IM48-C IC MCU 32BIT 256KB FLASH 48QFN Silicon Labs	1,901	-	RFQ	Datasheet	48-VFQFN Exposed Pad	Gecko	Tray	Active	Not Verified	ARM® Cortex®-M33	32-Bit	80MHz	I2C, IrDA, SmartCard, SMBus, SPI, Temp Sensor, UART/USART	Crypto - AES, DMA, I2S, Keypad, LCD, POR. PWM, SHA, Temp Sensor, TRNG, WDT	34	256KB (256K x 8)	FLASH	-	64K x 8	1.71V ~ 3.8V	A/D 16x12/16/20b; D/A 2x12b	External, Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
PIC16LF88T-I/SS IC MCU 8BIT 7KB FLASH 20SSOP Microchip Technology	3,083	-	RFQ	Datasheet	20-SSOP (0.209", 5.30mm Width)	PIC® 16F	Tape & Reel (TR)	Active	Verified	PIC	8-Bit	10MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	7KB (4K x 14)	FLASH	256 x 8	368 x 8	2V ~ 5.5V	A/D 7x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC24F32KA304-E/PT IC MCU 16BIT 32KB FLASH 44TQFP Microchip Technology	319	-	RFQ	Datasheet	44-TQFP	PIC® XLP™ 24F	Tray	Active	Not Verified	PIC	16-Bit	32MHz	I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	39	32KB (11K x 24)	FLASH	512 x 8	2K x 8	1.8V ~ 3.6V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
PIC24FV32KA304-E/PT IC MCU 16BIT 32KB FLASH 44TQFP Microchip Technology	200	-	RFQ	Datasheet	44-TQFP	PIC® XLP™ 24F	Tray	Active	Not Verified	PIC	16-Bit	32MHz	I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	38	32KB (11K x 24)	FLASH	512 x 8	2K x 8	2V ~ 5.5V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
PIC18F85K90-I/PT IC MCU 8BIT 32KB FLASH 80TQFP Microchip Technology	108	-	RFQ	Datasheet	80-TQFP	PIC® XLP™ 18K	Tray	Active	Verified	PIC	8-Bit	64MHz	I2C, LINbus, SPI, UART/USART	Brown-out Detect/Reset, LCD, POR, PWM, WDT	69	32KB (16K x 16)	FLASH	1K x 8	2K x 8	1.8V ~ 5.5V	A/D 24x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount

WINSUN SOURCING SUPPORT

Need Microcontrollers Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

FREQUENTLY ASKED QUESTIONS

Microcontrollers FAQ

Common questions about selecting, comparing and sourcing Microcontrollers components through Winsun (HK) Electronics.

What should I check when selecting Microcontrollers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Microcontrollers part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Microcontrollers parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Microcontrollers components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.