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
STM32H563ZIT3QTR IC MCU 32BIT 2MB FLASH 144LQFP STMicroelectronics	3,384	-	RFQ	Datasheet	144-LQFP	STM32H5	Tape & Reel (TR)	Active	-	ARM® Cortex®-M33	32-Bit	250MHz	CANbus, FIFO, I2C, IrDA, LINbus, SCI, SDIO, SMBus, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, PDR, POR, PWM, SHA, TRNG, Voltage Detect, WDT	110	2MB (2M x 8)	FLASH	-	640K x 8	1.71V ~ 3.6V	A/D 18x12b SAR; D/A 2x12b	External, Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
UPSD3434E-40U6 IC MCU 8BIT 288KB FLASH 80LQFP STMicroelectronics	2,608	-	RFQ	Datasheet	80-LQFP	µPSD	Tray	Obsolete	Not Verified	8032	8-Bit	40MHz	I2C, IrDA, SPI, UART/USART, USB	LVD, POR, PWM, WDT	46	288KB (288K x 8)	FLASH	-	8K x 8	3V ~ 5.5V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
UPSD3434EV-40U6 IC MCU 8BIT 288KB FLASH 80LQFP STMicroelectronics	1,887	-	RFQ	Datasheet	80-LQFP	µPSD	Tray	Obsolete	Not Verified	8032	8-Bit	40MHz	I2C, IrDA, SPI, UART/USART, USB	LVD, POR, PWM, WDT	46	288KB (288K x 8)	FLASH	-	8K x 8	3V ~ 3.6V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32L451CEU6TR IC MCU 32BIT 512KB FLSH 48UFQFPN STMicroelectronics	1,858	-	RFQ	Datasheet	48-UFQFN Exposed Pad	STM32L4	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART	Brown-out Detect/Reset, DMA, PWM, WDT	38	512KB (512K x 8)	FLASH	-	160K x 8	1.71V ~ 3.6V	A/D 10x12b; D/A 1x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ST72F561R9TC IC MCU 8BIT 60KB FLASH 64LQFP STMicroelectronics	4,279	-	RFQ	Datasheet	64-LQFP	ST7	Tray	Obsolete	Not Verified	ST7	8-Bit	8MHz	CANbus, LINbusSCI, SPI	LVD, POR, PWM, WDT	48	60KB (60K x 8)	FLASH	-	2K x 8	3.8V ~ 5.5V	A/D 16x10b	External	-40°C ~ 125°C (TA)	-	-	Surface Mount
STM32F101ZDT6 IC MCU 32BIT 384KB FLASH 144LQFP STMicroelectronics	4,945	-	RFQ	Datasheet	144-LQFP	STM32F1	Tray	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	36MHz	I2C, IrDA, LINbus, SPI, UART/USART	DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT	112	384KB (384K x 8)	FLASH	-	48K x 8	2V ~ 3.6V	A/D 16x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ST72F521AR9TCTR IC MCU 8BIT 60KB FLASH 64LQFP STMicroelectronics	3,291	-	RFQ	Datasheet	64-LQFP	ST7	Tape & Reel (TR)	Obsolete	Not Verified	ST7	8-Bit	8MHz	CANbus, I2C, SCI, SPI	LVD, POR, PWM, WDT	48	60KB (60K x 8)	FLASH	-	2K x 8	3.8V ~ 5.5V	A/D 16x10b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
STM32F446VET7 IC MCU 32BIT 512KB FLASH 100LQFP STMicroelectronics	3,572	-	RFQ	Datasheet	100-LQFP	STM32F4	Tray	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	180MHz	CANbus, EBI/EMI, I2C, IrDA, LINbus, SAI, SD, SPDIF-Rx, SPI, UART/USART, USB, USB OTG	Brown-out Detect/Reset, DMA, I2S, LVD, POR, PWM, WDT	81	512KB (512K x 8)	FLASH	-	128K x 8	1.7V ~ 3.6V	A/D 16x12b; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
ST72F521AR9TC IC MCU 8BIT 60KB FLASH 64LQFP STMicroelectronics	2,117	-	RFQ	Datasheet	64-LQFP	ST7	Tray	Obsolete	Not Verified	ST7	8-Bit	8MHz	CANbus, I2C, SCI, SPI	LVD, POR, PWM, WDT	48	60KB (60K x 8)	FLASH	-	2K x 8	3.8V ~ 5.5V	A/D 16x10b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
ST72F521AR9TCE IC MCU 8BIT 60KB FLASH 64LQFP STMicroelectronics	2,490	-	RFQ	Datasheet	64-LQFP	ST7	Tray	Obsolete	Not Verified	ST7	8-Bit	8MHz	CANbus, I2C, SCI, SPI	LVD, POR, PWM, WDT	48	60KB (60K x 8)	FLASH	-	2K x 8	3.8V ~ 5.5V	A/D 16x10b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount

WINSUN SOURCING SUPPORT

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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.