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
C8051F565-IQR IC MCU 8BIT 16KB FLASH 32LQFP Silicon Labs	1,737	-	RFQ	Datasheet	32-LQFP	C8051F56x	Tape & Reel (TR)	Not For New Designs	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, 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
EFM32LG280F128G-F-QFP100 IC MCU 32BIT 128KB FLASH 100LQFP Silicon Labs	4,390	-	RFQ	Datasheet	100-LQFP	Leopard Gecko	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	48MHz	EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	86	128KB (128K x 8)	FLASH	-	32K x 8	1.98V ~ 3.8V	A/D 8x12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F520A-IM IC MCU 8BIT 8KB FLASH 10DFN Silicon Labs	682	-	RFQ	Datasheet	10-VFDFN Exposed Pad	C8051F52x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	LINbus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	6	8KB (8K x 8)	FLASH	-	256 x 8	1.8V ~ 5.25V	A/D 6x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
CF380P0997AGQ IC MCU 8BIT Silicon Labs	1,000	-	RFQ	Datasheet	-	-	Tray	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
EFM32GG12B330F512GQ100-AR IC MCU 32BIT 512KB FLASH 100TQFP Silicon Labs	3,000	-	RFQ	Datasheet	100-TQFP	Giant Gecko S1	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	72MHz	CANbus, EBI/EMI, I2C, IrDA, LINbus, PDM, SmartCard, SPI, UART/USART	Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT	86	512KB (512K x 8)	FLASH	-	192K x 8	1.8V ~ 3.8V	A/D 16x12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F972-A-GM IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	1,363	-	RFQ	Datasheet	24-WFQFN Exposed Pad	C8051F9xx	Tube	Obsolete	Not Verified	CIP-51™	8-Bit	25MHz	I2C/SMBus, I2C Slave, SPI, UART/USART	CapSense, DMA, POR, PWM, WDT	19	32KB (32K x 8)	FLASH	-	8K x 8	1.8V ~ 3.6V	A/D 19x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F971-A-GM IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	508	-	RFQ	Datasheet	32-VFQFN Exposed Pad	C8051F9xx	Tube	Obsolete	Not Verified	CIP-51™	8-Bit	25MHz	I2C/SMBus, I2C Slave, SPI, UART/USART	CapSense, DMA, POR, PWM, WDT	28	32KB (32K x 8)	FLASH	-	8K x 8	1.8V ~ 3.6V	A/D 28x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM32G222F64G-E-QFP48R IC MCU 32BIT 64KB FLASH 48TQFP Silicon Labs	955	-	RFQ	Datasheet	48-TQFP	Gecko	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	32MHz	I2C, IrDA, SmartCard, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	37	64KB (64K x 8)	FLASH	-	16K x 8	1.98V ~ 3.8V	A/D 4x12b; D/A 1x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F534-C-IT IC MCU 8BIT 4KB FLASH 20TSSOP Silicon Labs	1,625	-	RFQ	Datasheet	20-TSSOP (0.173", 4.40mm Width)	C8051F53x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	16	4KB (4K x 8)	FLASH	-	256 x 8	2V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F804-GSR IC MCU 8BIT 16KB FLASH 16SOIC Silicon Labs	2,563	-	RFQ	Datasheet	16-SOIC (0.154", 3.90mm Width)	C8051F80x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	SMBus (2-Wire/I2C), SPI, UART/USART	Cap Sense, POR, PWM, Temp Sensor, WDT	13	16KB (16K x 8)	FLASH	-	512 x 8	1.8V ~ 3.6V	A/D 12x10b	Internal	-40°C ~ 85°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.