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
STM32F411CEY6TR IC MCU 32BIT 512KB FLASH 49WLCSP STMicroelectronics	22,931	-	RFQ	Datasheet	49-UFBGA, WLCSP	STM32F4	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	100MHz	I2C, IrDA, LINbus, MMC/SD/SDIO, SPI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	36	512KB (512K x 8)	FLASH	-	128K x 8	1.7V ~ 3.6V	A/D 10x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L451RET6TR IC MCU 32BIT 512KB FLASH 64LQFP STMicroelectronics	6,529	-	RFQ	Datasheet	64-LQFP	STM32L4	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART	Brown-out Detect/Reset, DMA, PWM, WDT	52	512KB (512K x 8)	FLASH	-	160K x 8	1.71V ~ 3.6V	A/D 16x12b; D/A 1x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L452REI6 IC MCU 32BIT 512KB FLASH 64UFBGA STMicroelectronics	3,013	-	RFQ	Datasheet	64-UFBGA	STM32L4	Tray	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, PWM, WDT	52	512KB (512K x 8)	FLASH	-	160K x 8	1.71V ~ 3.6V	A/D 16x12b; D/A 1x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32F103CBT6TR IC MCU 32BIT 128KB FLASH 48LQFP STMicroelectronics	23,893	-	RFQ	Datasheet	48-LQFP	STM32F1	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	72MHz	CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB	DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT	37	128KB (128K x 8)	FLASH	-	20K x 8	2V ~ 3.6V	A/D 10x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32F103TBU6 IC MCU 32BIT 128KB FLSH 36VFQFPN STMicroelectronics	2,029	-	RFQ	Datasheet	36-VFQFN Exposed Pad	STM32F1	Tray	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	72MHz	CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB	DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT	26	128KB (128K x 8)	FLASH	-	20K x 8	2V ~ 3.6V	A/D 10x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32F103CBT6 IC MCU 32BIT 128KB FLASH 48LQFP STMicroelectronics	1,136	-	RFQ	Datasheet	48-LQFP	STM32F1	Tray	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	72MHz	CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB	DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT	37	128KB (128K x 8)	FLASH	-	20K x 8	2V ~ 3.6V	A/D 10x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L151CBU6 IC MCU 32BIT 128KB FLSH 48UFQFPN STMicroelectronics	1,455	-	RFQ	Datasheet	48-UFQFN Exposed Pad	STM32L1	Tray	Not For New Designs	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	32MHz	I2C, IrDA, LINbus, SPI, UART/USART, USB	Brown-out Detect/Reset, Cap Sense, DMA, I2S, POR, PWM, WDT	37	128KB (128K x 8)	FLASH	4K x 8	16K x 8	1.8V ~ 3.6V	A/D 16x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L151CCT6TR IC MCU 32BIT 256KB FLASH 48LQFP STMicroelectronics	22,362	-	RFQ	Datasheet	48-LQFP	STM32L1	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	32MHz	I2C, IrDA, LINbus, SPI, UART/USART, USB	Brown-out Detect/Reset, Cap Sense, DMA, I2S, POR, PWM, WDT	37	256KB (256K x 8)	FLASH	8K x 8	32K x 8	1.8V ~ 3.6V	A/D 14x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L151CCU6TR IC MCU 32BIT 256KB FLSH 48UFQFPN STMicroelectronics	8,921	-	RFQ	Datasheet	48-UFQFN Exposed Pad	STM32L1	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	32MHz	I2C, IrDA, LINbus, SPI, UART/USART, USB	Brown-out Detect/Reset, Cap Sense, DMA, I2S, POR, PWM, WDT	37	256KB (256K x 8)	FLASH	8K x 8	32K x 8	1.8V ~ 3.6V	A/D 14x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32G491CEU6 IC MCU 32BIT 512KB FLSH 48UFQFPN STMicroelectronics	1,971	-	RFQ	Datasheet	48-UFQFN Exposed Pad	STM32G4	Tray	Active	Not Verified	ARM® Cortex®-M4F	32-Bit Single-Core	170MHz	CANbus, I2C, IrDA, IRTIM, LINbus, SAI, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	42	512KB (512K x 8)	FLASH	-	112K x 8	1.71V ~ 3.6V	A/D 19x12b; D/A 4x12b	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.