Microcontrollers

Use the filters and product table below to compare Microcontrollers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

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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
W78E051C40PL IC MCU 8BIT 4KB FLASH 44PLCC Nuvoton Technology Corporation	4,012	-	RFQ	Datasheet	44-LCC (J-Lead)	W78	Tube	Obsolete	Not Verified	8051	8-Bit	40MHz	EBI/EMI, UART/USART	POR, WDT	36	4KB (4K x 8)	FLASH	-	128 x 8	4.5V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
W78L051C24PL IC MCU 8BIT 4KB FLASH 44PLCC Nuvoton Technology Corporation	1,380	-	RFQ	Datasheet	44-LCC (J-Lead)	W78	Tube	Obsolete	Not Verified	8051	8-Bit	24MHz	EBI/EMI, UART/USART	POR, WDT	36	4KB (4K x 8)	FLASH	-	128 x 8	2.4V ~ 5.5V	-	Internal	0°C ~ 70°C (TA)	-	-	Surface Mount
W78E051DPG IC MCU 8BIT 4KB FLASH 44PLCC Nuvoton Technology Corporation	1,865	-	RFQ	Datasheet	44-LCC (J-Lead)	W78	Tube	Not For New Designs	Not Verified	8052	8-Bit	40MHz	EBI/EMI, UART/USART	POR, WDT	36	4KB (4K x 8)	FLASH	-	256 x 8	2.4V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
M0516LDN IC MCU 32BIT 64KB FLASH 48LQFP Nuvoton Technology Corporation	2,205	-	RFQ	Datasheet	48-LQFP	-	Tray	Active	Not Verified	ARM® Cortex®-M0	32-Bit Single-Core	50MHz	EBI/EMI, I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, LVR, POR, PWM, WDT	40	64KB (64K x 8)	FLASH	4K x 8	4K x 8	2.5V ~ 5.5V	A/D 8x12b SAR	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
M071SD3AE M0+64KB FLASH+16KB RAM +USB CRYS Nuvoton Technology Corporation	2,940	-	RFQ	Datasheet	64-LQFP	NuMicro™ M070	Tray	Active	-	ARM® Cortex®-M0	32-Bit	72MHz	EBI/EMI, I2C, LINbus, SPI, UART/USART, USB	DMA, PWM, WDT	45	64KB (64K x 8)	FLASH	-	16K x 8	2.5V ~ 5.5V	A/D 12x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
M256SD2AE IC MCU 32BIT 64KB FLASH 64LQFP Nuvoton Technology Corporation	3,086	-	RFQ	Datasheet	64-LQFP	NuMicro™ M256	Tray	Active	-	ARM® Cortex®-M23	32-Bit	48MHz	I2C, IrDA, LINbus, QSPI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, LVR, POR, PWM, WDT	54	64KB (64K x 8)	FLASH	-	8K x 8	1.75V ~ 5.5V	A/D 12x12b SAR; D/A 2x12b	External, Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
NUC1311LC2AE M0-36KFLASH+8KRAM+UART+SPI+I2C+P Nuvoton Technology Corporation	1,611	-	RFQ	Datasheet	48-LQFP	NuMicro™ NUC1311	Tray	Active	-	ARM® Cortex®-M0	32-Bit	50MHz	CANbus, I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	42	36KB (36K x 8)	FLASH	-	8K x 8	2.5V ~ 5.5V	A/D 8x12b SAR	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
M031SE3AE IC MCU 32BIT 128KB 64LQFP Nuvoton Technology Corporation	1,795	-	RFQ	Datasheet	64-LQFP	NuMicro™ M031	Tray	Active	-	ARM® Cortex®-M0	32-Bit	48MHz	EBI/EMI, I2C, I2S, SPI, UART/USART	Brown-out Detect/Reset, I2S, LVD, POR, PWM, WDT	55	128KB (128K x 8)	FLASH	-	16K x 8	1.8V ~ 3.6V	A/D 16x12b SAR	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
M254MD2AE IC MCU 32BIT 64KB FLASH 44LQFP Nuvoton Technology Corporation	3,299	-	RFQ	Datasheet	44-LQFP	NuMicro™ M254	Tray	Active	-	ARM® Cortex®-M23	32-Bit	48MHz	I2C, IrDA, LINbus, QSPI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, LVR, POR, PWM, WDT	37	64KB (64K x 8)	FLASH	-	8K x 8	1.75V ~ 5.5V	A/D 12x12b SAR; D/A 2x12b	External, Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
M031GTD2AE M0-32K AP+8KRAM+4XDAC+MANCHESTER Nuvoton Technology Corporation	3,198	-	RFQ	Datasheet	32-WFQFN Exposed Pad	NuMicro™ M031G	Tray	Active	-	ARM® Cortex®-M0	32-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, I2S, POR, PWM, WDT	28	64KB (64K x 8)	FLASH	-	8K x 8	1.8V ~ 3.6V	A/D 16x12b SAR; D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount

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FREQUENTLY ASKED QUESTIONS

Microcontrollers FAQ

Common questions about filtering, comparing and sourcing Microcontrollers components.

How can I narrow the Microcontrollers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Microcontrollers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.