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
AT89C51RB2-SLSUM IC MCU 8BIT 16KB FLASH 44PLCC Microchip Technology	620	-	RFQ	Datasheet	44-LCC (J-Lead)	89C	Tube	Active	Not Verified	80C51	8-Bit	60MHz	SPI, UART/USART	POR, PWM, WDT	32	16KB (16K x 8)	FLASH	-	1.25K x 8	2.7V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT91SAM7S64C-AU IC MCU 16/32BIT 64KB FLSH 64LQFP Microchip Technology	2,920	-	RFQ	Datasheet	64-LQFP	SAM7S	Tray	Active	Verified	ARM7®	16/32-Bit	55MHz	I2C, SPI, SSC, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	32	64KB (64K x 8)	FLASH	-	16K x 8	1.65V ~ 1.95V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16F77-I/L IC MCU 8BIT 14KB FLASH 44PLCC Microchip Technology	933	-	RFQ	Datasheet	44-LCC (J-Lead)	PIC® 16F	Tube	Active	Verified	PIC	8-Bit	20MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	33	14KB (8K x 14)	FLASH	-	368 x 8	4V ~ 5.5V	A/D 8x8b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC24HJ256GP206A-I/PT IC MCU 16BIT 256KB FLASH 64TQFP Microchip Technology	2,202	-	RFQ	Datasheet	64-TQFP	PIC® 24H	Tray	Active	Not Verified	PIC	16-Bit	40 MIPs	I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	53	256KB (85.5K x 24)	FLASH	-	16K x 8	3V ~ 3.6V	A/D 18x10b/12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
DSPIC33FJ128GP804-I/ML IC MCU 16BIT 128KB FLASH 44QFN Microchip Technology	1,811	-	RFQ	Datasheet	44-VQFN Exposed Pad	dsPIC™ 33F	Tube	Active	Not Verified	dsPIC	16-Bit	40 MIPs	CANbus, I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, DCI, DMA, I2S, POR, PWM, WDT	35	128KB (128K x 8)	FLASH	-	16K x 8	3V ~ 3.6V	A/D 13x10b/12b; D/A 2x16b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC16F77-I/PT IC MCU 8BIT 14KB FLASH 44TQFP Microchip Technology	320	-	RFQ	Datasheet	44-TQFP	PIC® 16F	Tray	Active	Verified	PIC	8-Bit	20MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	33	14KB (8K x 14)	FLASH	-	368 x 8	4V ~ 5.5V	A/D 8x8b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATMEGA32-16PU IC MCU 8BIT 32KB FLASH 40DIP Microchip Technology	2,769	-	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	4.5V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Through Hole
AT89C5131A-PUTUM IC MCU 8BIT 32KB FLASH 32QFN Microchip Technology	570	-	RFQ	Datasheet	32-VQFN Exposed Pad	AT89C513x	Tray	Active	Not Verified	80C51	8-Bit	48MHz	I2C, SPI, UART/USART, USB	LED, POR, PWM, WDT	18	32KB (32K x 8)	FLASH	4K x 8	1.25K x 8	2.7V ~ 5.5V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
DSPIC33FJ64MC506-I/PT IC MCU 16BIT 64KB FLASH 64TQFP Microchip Technology	380	-	RFQ	Datasheet	64-TQFP	dsPIC™ 33F	Tray	Active	Verified	dsPIC	16-Bit	40 MIPs	CANbus, I2C, IrDA, LINbus, SPI, UART/USART	Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, QEI, WDT	53	64KB (64K x 8)	FLASH	-	8K x 8	3V ~ 3.6V	A/D 16x10b/12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATSAMD51N20A-AU-EFP IC MCU 32BIT 1MB FLASH 100TQFP Microchip Technology	2,799	-	RFQ	Datasheet	100-TQFP	SAM D51	Tray	Active	Not Verified	ARM® Cortex®-M4F	32-Bit Single-Core	120MHz	EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	81	1MB (1M x 8)	FLASH	-	256K x 8	1.71V ~ 3.63V	A/D 28x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount

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Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

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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.