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
LM3S3Z26-IQR50-C5 IC MCU 32BIT 16KB FLASH 64LQFP Texas Instruments	3,744	-	RFQ	Datasheet	64-LQFP	Stellaris® ARM® Cortex®-M3S 3000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	50MHz	I2C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	33	16KB (16K x 8)	FLASH	-	6K x 8	1.08V ~ 1.32V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S5656-IQR80-C5 IC MCU 32BIT 128KB FLASH 64LQFP Texas Instruments	3,961	-	RFQ	Datasheet	64-LQFP	Stellaris® ARM® Cortex®-M3S 5000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, POR, PWM, WDT	33	128KB (128K x 8)	FLASH	-	32K x 8	1.08V ~ 1.32V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S5791-IQC80-C5 IC MCU 32BIT 128KB FLASH 100LQFP Texas Instruments	3,573	-	RFQ	Datasheet	100-LQFP	Stellaris® ARM® Cortex®-M3S 5000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, EBI/EMI, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	72	128KB (128K x 8)	FLASH	-	64K x 8	1.08V ~ 1.32V	A/D 16x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S5956-IQR80-C5 IC MCU 32BIT 256KB FLASH 64LQFP Texas Instruments	4,984	-	RFQ	Datasheet	64-LQFP	Stellaris® ARM® Cortex®-M3S 5000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, POR, PWM, WDT	33	256KB (256K x 8)	FLASH	-	64K x 8	1.08V ~ 1.32V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S5B91-IBZ80-C5 IC MCU 32BIT 256KB FLASH 108BGA Texas Instruments	1,202	-	RFQ	Datasheet	108-LFBGA	Stellaris® ARM® Cortex®-M3S 5000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, EBI/EMI, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	72	256KB (256K x 8)	FLASH	-	96K x 8	1.08V ~ 1.32V	A/D 16x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S5B91-IQC80-C5 IC MCU 32BIT 256KB FLASH 100LQFP Texas Instruments	2,056	-	RFQ	Datasheet	100-LQFP	Stellaris® ARM® Cortex®-M3S 5000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, EBI/EMI, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	72	256KB (256K x 8)	FLASH	-	96K x 8	1.08V ~ 1.32V	A/D 16x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S5C31-IQC80-A2 IC MCU 32BIT 512KB FLASH 100LQFP Texas Instruments	1,676	-	RFQ	Datasheet	100-LQFP	Stellaris® ARM® Cortex®-M3S 5000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, EBI/EMI, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	67	512KB (512K x 8)	FLASH	-	64K x 8	3V ~ 3.6V	A/D 16x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S5K31-IQC80-C5 IC MCU 32BIT 128KB FLASH 100LQFP Texas Instruments	1,212	-	RFQ	Datasheet	100-LQFP	Stellaris® ARM® Cortex®-M3S 5000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	67	128KB (128K x 8)	FLASH	-	24K x 8	1.08V ~ 1.32V	A/D 16x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S5K36-IQR80-C5 IC MCU 32BIT 128KB FLASH 64LQFP Texas Instruments	4,032	-	RFQ	Datasheet	64-LQFP	Stellaris® ARM® Cortex®-M3S 5000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	33	128KB (128K x 8)	FLASH	-	24K x 8	1.08V ~ 1.32V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S5P31-IQC80-C5 IC MCU 32BIT 64KB FLASH 100LQFP Texas Instruments	3,524	-	RFQ	Datasheet	100-LQFP	Stellaris® ARM® Cortex®-M3S 5000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	67	64KB (64K x 8)	FLASH	-	24K x 8	1.08V ~ 1.32V	A/D 16x10b	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.