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
C8051F865-C-ISR IC MCU 8BIT 2KB FLASH 16SOIC Silicon Labs	3,317	-	RFQ	Datasheet	16-SOIC (0.154", 3.90mm Width)	C8051F86x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	13	2KB (2K x 8)	FLASH	-	256 x 8	2.2V ~ 3.6V	-	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051F855-C-IM IC MCU 8BIT 2KB FLASH 20QFN Silicon Labs	4,227	-	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	2KB (2K x 8)	FLASH	-	256 x 8	2.2V ~ 3.6V	-	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
EFM8BB31F64I-B-QSOP24R IC MCU 8BIT 64KB FLASH 24QSOP Silicon Labs	2,182	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	Busy Bee	Tape & Reel (TR)	Not For New Designs	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 13x10/12b SAR; D/A 4x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
EFM32PG22C200F64IM32-CR IC MCU 32BIT 64KB FLASH 32QFN Silicon Labs	1,231	-	RFQ	Datasheet	32-VFQFN Exposed Pad	Gecko	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M33	32-Bit Single-Core	76.8MHz	I2C, IrDA, SmartCard, SPI, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	18	64KB (64K x 8)	FLASH	-	32K x 8	1.71V ~ 3.8V	A/D 16x12b SAR, 16x16b Sigma-Delta	External, Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
C8051T602-GMR IC MCU 8BIT 4KB OTP 11QFN Silicon Labs	3,251	-	RFQ	Datasheet	10-VFDFN Exposed Pad	C8051T60x	Tape & Reel (TR)	Not For New Designs	Not Verified	8051	8-Bit	25MHz	SMBus (2-Wire/I2C), UART/USART	POR, PWM, Temp Sensor, WDT	8	4KB (4K x 8)	OTP	-	256 x 8	1.8V ~ 3.6V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F852-C-GUR IC MCU 8BIT 2KB FLASH 24QSOP Silicon Labs	2,279	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	C8051F85x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	2KB (2K x 8)	FLASH	-	256 x 8	2.2V ~ 3.6V	A/D 16x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F861-C-GSR IC MCU 8BIT 4KB FLASH 16SOIC Silicon Labs	1,851	-	RFQ	Datasheet	16-SOIC (0.154", 3.90mm Width)	C8051F86x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	13	4KB (4K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	A/D 12x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
C8051F983-C-GM IC MCU 8BIT 4KB FLASH 20QFN Silicon Labs	1,416	-	RFQ	Datasheet	20-UFQFN Exposed Pad	C8051F9xx	Tube	Obsolete	Not Verified	CIP-51 8051	8-Bit	25MHz	SMBus (2-Wire/I2C), SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	4KB (4K x 8)	FLASH	-	512 x 8	1.8V ~ 3.6V	-	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8UB11F16G-C-QSOP24R IC MCU 8BIT 16KB FLASH 24QSOP Silicon Labs	4,529	-	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	Universal Bee	Tape & Reel (TR)	Obsolete	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART, USB	Brown-out Detect/Reset, POR, PWM, WDT	17	16KB (16K x 8)	FLASH	-	2.25K x 8	1.71V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM8BB31F64I-B-QFN24R IC MCU 8BIT 64KB FLASH 24QFN Silicon Labs	4,878	-	RFQ	Datasheet	24-VFQFN Exposed Pad	Busy Bee	Tape & Reel (TR)	Not For New Designs	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°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.