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.

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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
EFM8BB31F64I-D-QSOP24R IC MCU 8BIT 64KB FLASH 24QSOP Silicon Labs	1,588	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	Busy Bee	Tape & Reel (TR)	Obsolete	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 13x12b; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
EFM8BB31F16I-B-QFP32 IC MCU 8BIT 16KB FLASH 32QFP Silicon Labs	1,583	-	RFQ	Datasheet	32-TQFP	Busy Bee	Tray	Not For New Designs	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F536A-IMR IC MCU 8BIT 2KB FLASH 20QFN Silicon Labs	1,368	-	RFQ	Datasheet	20-VFQFN Exposed Pad	C8051F53x	Tape & Reel (TR)	Active	Not Verified	8051	8-Bit	25MHz	LINbus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	16	2KB (2K x 8)	FLASH	-	256 x 8	1.8V ~ 5.25V	A/D 16x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F982-C-GMR IC MCU 8BIT 4KB FLASH 20QFN Silicon Labs	3,936	-	RFQ	Datasheet	20-UFQFN Exposed Pad	C8051F9xx	Tape & Reel (TR)	Obsolete	Not Verified	CIP-51 8051	8-Bit	25MHz	SMBus (2-Wire/I2C), SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	16	4KB (4K x 8)	FLASH	-	512 x 8	1.8V ~ 3.6V	A/D 10x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F16I-D-QFP32R IC MCU 8BIT 16KB FLASH 32QFP Silicon Labs	3,430	-	RFQ	Datasheet	32-TQFP	Busy Bee	Tape & Reel (TR)	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x12b; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F526A-IMR IC MCU 8BIT 2KB FLASH 10DFN Silicon Labs	1,723	-	RFQ	Datasheet	10-VFDFN Exposed Pad	C8051F52x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	LINbus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	6	2KB (2K x 8)	FLASH	-	256 x 8	1.8V ~ 5.25V	A/D 6x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F835-GSR IC MCU 8BIT 4KB FLASH 16SOIC Silicon Labs	1,342	-	RFQ	Datasheet	16-SOIC (0.154", 3.90mm Width)	C8051F83x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	SMBus (2-Wire/I2C), SPI, UART/USART	POR, PWM, WDT	13	4KB (4K x 8)	FLASH	-	256 x 8	1.8V ~ 3.6V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F853-C-IM IC MCU 8BIT 8KB FLASH 20QFN Silicon Labs	3,841	-	RFQ	Datasheet	20-VFQFN Exposed Pad	C8051F85x	Tube	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	15	8KB (8K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	-	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
EFM8LB12F32E-C-QFN32 IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	2,181	-	RFQ	Datasheet	32-UFQFN Exposed Pad	Laser Bee	Tray	Active	Not Verified	CIP-51 8051	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x14b; D/A 4x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
EFM8LB12F32E-C-QFN32R IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	2,382	-	RFQ	Datasheet	32-UFQFN Exposed Pad	Laser Bee	Tape & Reel (TR)	Active	Not Verified	CIP-51 8051	8-Bit	72MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x14b; 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.