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
AT91SAM7S64-MU-999 IC MCU 16/32BIT 64KB FLASH 64QFN Microchip Technology	1,989	-	RFQ	Datasheet	64-VFQFN Exposed Pad	SAM7S	Tape & Reel (TR)	Obsolete	Not 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
C8051F567-IM IC MCU 8BIT 16KB FLASH 32QFN Silicon Labs	3,531	-	RFQ	Datasheet	32-VFQFN Exposed Pad	C8051F56x	Tube	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), SPI, UART/USART	POR, PWM, Temp Sensor, WDT	25	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 25x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F551-IMR IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	2,687	-	RFQ	Datasheet	24-WFQFN Exposed Pad	C8051F55x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F567-IMR IC MCU 8BIT 16KB FLASH 32QFN Silicon Labs	1,844	-	RFQ	Datasheet	32-VFQFN Exposed Pad	C8051F56x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), SPI, UART/USART	POR, PWM, Temp Sensor, WDT	25	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 25x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
PIC16C771-I/SS IC MCU 8BIT 7KB OTP 20SSOP Microchip Technology	4,157	-	RFQ	Datasheet	20-SSOP (0.209", 5.30mm Width)	PIC® 16C	Tube	Active	Verified	PIC	8-Bit	20MHz	I2C, SPI	Brown-out Detect/Reset, POR, PWM, WDT	15	7KB (4K x 14)	OTP	-	256 x 8	4V ~ 5.5V	A/D 6x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32F372VCT6 IC MCU 32BIT 256KB FLASH 100LQFP STMicroelectronics	2,255	-	RFQ	Datasheet	100-LQFP	STM32F3	Tray	Obsolete	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	72MHz	CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB	DMA, I2S, POR, PWM, WDT	84	256KB (256K x 8)	FLASH	-	32K x 8	2V ~ 3.6V	A/D 1x12b, 1x16b; D/A 1x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
S912ZVC64F0MLF IC MCU 16BIT 64KB FLASH 48LQFP NXP USA Inc.	1,805	-	RFQ	Datasheet	48-LQFP	S12 MagniV	Tray	Active	Not Verified	S12Z	16-Bit	32MHz	CANbus, I2C, SCI, SPI	DMA, POR, PWM, WDT	28	64KB (64K x 8)	FLASH	1K x 8	4K x 8	3.5V ~ 40V	A/D 10x10b; D/A 1x8b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
S912ZVCA64F0VLF IC MCU 16BIT 64KB FLASH 48LQFP NXP USA Inc.	1,261	-	RFQ	Datasheet	48-LQFP	S12 MagniV	Tray	Active	Not Verified	S12Z	16-Bit	32MHz	CANbus, I2C, SCI, SPI	DMA, POR, PWM, WDT	28	64KB (64K x 8)	FLASH	1K x 8	4K x 8	3.5V ~ 40V	A/D 10x12b; D/A 1x8b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
DS80C323-QCD IC MCU 8BIT ROMLESS 44PLCC Analog Devices Inc./Maxim Integrated	3,891	-	RFQ	Datasheet	44-LCC (J-Lead)	80C	Tube	Obsolete	Not Verified	8051	8-Bit	18MHz	EBI/EMI, SIO, UART/USART	Power-Fail Reset, WDT	32	-	ROMless	-	256 x 8	2.7V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
DS80C323-QND IC MCU 8BIT ROMLESS 44PLCC Analog Devices Inc./Maxim Integrated	2,673	-	RFQ	Datasheet	44-LCC (J-Lead)	80C	Tube	Obsolete	Not Verified	8051	8-Bit	18MHz	EBI/EMI, SIO, UART/USART	Power-Fail Reset, WDT	32	-	ROMless	-	256 x 8	2.7V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
DS80C323-QND/T&R IC MCU 8BIT ROMLESS 44PLCC Analog Devices Inc./Maxim Integrated	4,691	-	RFQ	Datasheet	44-LCC (J-Lead)	80C	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	18MHz	EBI/EMI, SIO, UART/USART	Power-Fail Reset, WDT	32	-	ROMless	-	256 x 8	2.7V ~ 5.5V	-	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
DS80C323-QCD/T&R IC MCU 8BIT ROMLESS 44PLCC Analog Devices Inc./Maxim Integrated	2,436	-	RFQ	Datasheet	44-LCC (J-Lead)	80C	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	18MHz	EBI/EMI, SIO, UART/USART	Power-Fail Reset, WDT	32	-	ROMless	-	256 x 8	2.7V ~ 5.5V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
STM32H563VGT6TR IC MCU 32BIT 1MB FLASH 100LQFP STMicroelectronics	1,108	-	RFQ	Datasheet	-	-	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
CY8C4127LQS-S453T IC MCU 32BIT 128KB FLASH 40QFN Infineon Technologies	1,233	-	RFQ	Datasheet	40-UFQFN Exposed Pad	PSOC™ 4 CY8C4000S	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M0+	32-Bit	24MHz	FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART	Brown-out Detect/Reset, CapSense, DMA, LCD, POR, PWM, Temp Sensor, TRNG, WDT	34	128KB (128K x 8)	FLASH	-	16K x 8	1.71V ~ 5.5V	A/D 16x10b SAR, 16x12b Sigma-Delta	External, Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
MSP430FR6877IPNR IC MCU 16BIT 64KB FRAM 80LQFP Texas Instruments	1,842	-	RFQ	Datasheet	80-LQFP	MSP430™ FRAM	Tape & Reel (TR)	Active	Not Verified	MSP430 CPUXV2	16-Bit	16MHz	I2C, IrDA, SCI, SPI, UART/USART	Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT	63	64KB (64K x 8)	FRAM	-	2K x 8	1.8V ~ 3.6V	A/D 12x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32G491RET6TR IC MCU 32BIT 512KB FLASH 64LQFP STMicroelectronics	4,510	-	RFQ	Datasheet	64-LQFP	STM32G4	Tape & Reel (TR)	Active	-	ARM® Cortex®-M4	32-Bit	170MHz	CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	52	512KB (512K x 8)	FLASH	-	112K x 8	1.71V ~ 3.6V	A/D 24x12b SAR; D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
S912ZVL96AMLF S12Z CPU, 96K FLASH NXP USA Inc.	4,023	-	RFQ	Datasheet	48-LQFP	S12 MagniV	Tray	Active	-	S12Z	16-Bit	32MHz	CANbus, I2C, IrDA, LINbus, SCI, SPI, UART/USART	LVD, POR, PWM, WDT	34	96KB (96K x 8)	FLASH	512 x 8	8K x 8	5.5V ~ 18V	A/D 10x10b	External, Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
PIC18F2439-I/SO IC MCU 8BIT 12KB FLASH 28SOIC Microchip Technology	1,588	-	RFQ	Datasheet	28-SOIC (0.295", 7.50mm Width)	PIC® 18F	Tube	Obsolete	Not Verified	PIC	8-Bit	40MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, LVD, POR, PWM, WDT	21	12KB (6K x 16)	FLASH	256 x 8	640 x 8	4.2V ~ 5.5V	A/D 5x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
S9S12VR64AACLF IC MCU 16BIT 64KB FLASH 48LQFP NXP USA Inc.	2,869	-	RFQ	Datasheet	48-LQFP	S12 MagniV	Tray	Active	-	HCS12	16-Bit	25MHz	IrDA, LINbus, SCI, SPI	LVD, POR, PWM, WDT	28	64KB (64K x 8)	FLASH	512 x 8	2K x 8	3.5V ~ 40V	A/D 6x10b	External, Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
S9S12VR64AAVLC IC MCU 16BIT 64KB FLASH 32LQFP NXP USA Inc.	4,583	-	RFQ	Datasheet	32-LQFP	S12 MagniV	Tray	Active	-	HCS12	16-Bit	25MHz	IrDA, LINbus, SCI, SPI	LVD, POR, PWM, WDT	16	64KB (64K x 8)	FLASH	512 x 8	2K x 8	3.5V ~ 40V	A/D 2x10b	External, Internal	-40°C ~ 105°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.