Microcontrollers

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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
LM3S2911-EQC50-A2 IC MCU 32BIT 256KB FLASH 100LQFP Texas Instruments	3,675	-	RFQ	Datasheet	100-LQFP	Stellaris® ARM® Cortex®-M3S 2000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	50MHz	CANbus, I2C, IrDA, Microwire, SPI, SSI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	60	256KB (256K x 8)	FLASH	-	64K x 8	2.25V ~ 2.75V	-	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
LM3S2918-EQC50-A2 IC MCU 32BIT 256KB FLASH 100LQFP Texas Instruments	2,626	-	RFQ	Datasheet	100-LQFP	Stellaris® ARM® Cortex®-M3S 2000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	50MHz	CANbus, I2C, IrDA, Microwire, SPI, SSI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	52	256KB (256K x 8)	FLASH	-	64K x 8	2.25V ~ 2.75V	A/D 8x10b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
LM3S2939-EQC50-A2 IC MCU 32BIT 256KB FLASH 100LQFP Texas Instruments	1,103	-	RFQ	Datasheet	100-LQFP	Stellaris® ARM® Cortex®-M3S 2000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	50MHz	CANbus, I2C, IrDA, Microwire, QEI, SPI, SSI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	57	256KB (256K x 8)	FLASH	-	64K x 8	2.25V ~ 2.75V	A/D 3x10b	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
LM3S2950-EQC50-A2 IC MCU 32BIT 256KB FLASH 100LQFP Texas Instruments	4,636	-	RFQ	Datasheet	100-LQFP	Stellaris® ARM® Cortex®-M3S 2000	Tray	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	50MHz	CANbus, I2C, IrDA, Microwire, QEI, SPI, SSI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	60	256KB (256K x 8)	FLASH	-	64K x 8	2.25V ~ 2.75V	-	Internal	-40°C ~ 105°C (TA)	-	-	Surface Mount
STR736FV2T6 IC MCU 32BIT 256KB FLASH 100LQFP STMicroelectronics	2,874	-	RFQ	Datasheet	100-LQFP	STR7	Tray	Obsolete	Not Verified	ARM7®	32-Bit Single-Core	36MHz	I2C, SPI, UART/USART	DMA, POR, PWM, WDT	72	256KB (256K x 8)	FLASH	-	16K x 8	4.5V ~ 5.5V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89C51CC03C-7CTIM IC MCU 8BIT 64KB FLASH 64CSPBGA Microchip Technology	3,462	-	RFQ	Datasheet	64-LFBGA, CSPBGA	AT89C CAN	Tray	Obsolete	Not Verified	80C51	8-Bit	40MHz	CANbus, SPI, UART/USART	POR, PWM, WDT	36	64KB (64K x 8)	FLASH	2K x 8	2.25K x 8	3V ~ 5.5V	A/D 8x10b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
AT89C51CC03U-7CTIM IC MCU 8BIT 64KB FLASH 64CSPBGA Microchip Technology	3,687	-	RFQ	Datasheet	64-LFBGA, CSPBGA	AT89C CAN	Tray	Obsolete	Not Verified	80C51	8-Bit	40MHz	CANbus, SPI, UART/USART	POR, PWM, WDT	36	64KB (64K x 8)	FLASH	2K x 8	2.25K x 8	3V ~ 5.5V	A/D 8x10b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC18F2620-E/SP IC MCU 8BIT 64KB FLASH 28SPDIP Microchip Technology	3,052	-	RFQ	Datasheet	28-DIP (0.300", 7.62mm)	PIC® 18F	Tube	Active	Verified	PIC	8-Bit	25MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	25	64KB (32K x 16)	FLASH	1K x 8	3.8K x 8	4.2V ~ 5.5V	A/D 10x10b	Internal	-40°C ~ 125°C (TA)	-	-	Through Hole
MCF51AC128CCLKE IC MCU 32BIT 128KB FLASH 80LQFP NXP USA Inc.	3,199	-	RFQ	Datasheet	80-LQFP	MCF51AC	Tray	Active	Not Verified	Coldfire V1	32-Bit Single-Core	50MHz	I2C, SCI, SPI	LVD, PWM, WDT	69	128KB (128K x 8)	FLASH	-	16K x 8	2.7V ~ 5.5V	A/D 24x12b	External	-40°C ~ 85°C (TA)	-	-	Surface Mount
CYT2B74DADQ0AZEGSTHUYA1 IC MCU Infineon Technologies	1,837	-	RFQ	Datasheet	-	-	Tape & Reel (TR)	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
STM32H742VGT6TR IC MCU 32BIT 1MB FLASH 100LQFP STMicroelectronics	2,590	-	RFQ	Datasheet	100-LQFP	STM32H7	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M7	32-Bit Single-Core	480MHz	CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MDIO, MMC/SD/SDIO, QSPI, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT	82	1MB (1M x 8)	FLASH	-	688K x 8	1.71V ~ 3.6V	A/D 36x16b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
LM3S9L97-IBZ80-C3T IC MCU 32BIT 128KB FLASH 108BGA Texas Instruments	2,440	-	RFQ	Datasheet	108-LFBGA	Stellaris® ARM® Cortex®-M3S 9000	Tape & Reel (TR)	Obsolete	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	80MHz	CANbus, Ethernet, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	60	128KB (128K x 8)	FLASH	-	48K x 8	1.235V ~ 1.365V	A/D 16x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
STM32H7A3VIT6Q IC MCU 32BIT 2MB FLASH 100LQFP STMicroelectronics	3,429	-	RFQ	Datasheet	100-LQFP	STM32H7	Tray	Active	Not Verified	ARM® Cortex®-M7	32-Bit Single-Core	280MHz	CANbus, EBI/EMI, HDMI-CEC, I2C, IrDA, LINbus, MDIO, MMC/SD/SDIO, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT	80	2MB (2M x 8)	FLASH	-	1.4M x 8	1.62V ~ 3.6V	A/D 16x16b; D/A 3x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
MC9S12B128CPVER IC MCU 16BIT 128KB FLASH 112LQFP NXP USA Inc.	4,824	-	RFQ	Datasheet	112-LQFP	HCS12	Tape & Reel (TR)	Obsolete	Not Verified	HCS12	16-Bit	25MHz	CANbus, I2C, SCI, SPI	POR, PWM, WDT	91	128KB (128K x 8)	FLASH	1K x 8	4K x 8	2.35V ~ 5.5V	A/D 16x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
ATSAM4LC8BA-MUR IC MCU 32BIT 512KB FLASH 64QFN Microchip Technology	4,836	-	RFQ	Datasheet	64-VFQFN Exposed Pad	SAM4L	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	48MHz	I2C, IrDA, LINbus, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT	43	512KB (512K x 8)	FLASH	-	64K x 8	1.68V ~ 3.6V	A/D 7x12b; D/A 1x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
PIC32CX2051MTSH128-I/X9B METERING SOC, 2MB FLASH, 560KB S Microchip Technology	4,710	-	RFQ	Datasheet	-	-	Tray	Active	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PIC16C67T-20/L IC MCU 8BIT 14KB OTP 44PLCC Microchip Technology	4,039	-	RFQ	Datasheet	44-LCC (J-Lead)	PIC® 16C	Tape & Reel (TR)	Active	Not Verified	PIC	8-Bit	20MHz	I2C, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	33	14KB (8K x 14)	OTP	-	368 x 8	4V ~ 6V	-	External	0°C ~ 70°C (TA)	-	-	Surface Mount
TMX320F28035RSHS IC MCU 32BIT 128KB FLASH 56VQFN Texas Instruments	1,067	-	RFQ	Datasheet	56-VFQFN Exposed Pad	C2000™ C28x Piccolo™	Tray	Obsolete	Not Verified	C28x	32-Bit Single-Core	60MHz	CANbus, I2C, LINbus, SCI, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	26	128KB (64K x 16)	FLASH	-	10K x 16	1.71V ~ 1.995V	A/D 13x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount
STM32F429AGH6TR IC MCU 32BIT 1MB FLASH 169UFBGA STMicroelectronics	4,220	-	RFQ	Datasheet	169-UFBGA	STM32F4	Tape & Reel (TR)	Active	Not Verified	ARM® Cortex®-M4	32-Bit Single-Core	180MHz	CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SPI, UART/USART, USB OTG	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	130	1MB (1M x 8)	FLASH	-	256K x 8	1.8V ~ 3.6V	A/D 24x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount
EFM32LG360F256G-F-CSP81 IC MCU 32BIT 256KB FLASH 81CSP Silicon Labs	4,900	-	RFQ	Datasheet	81-UFBGA, CSPBGA	Leopard Gecko	Tray	Active	Not Verified	ARM® Cortex®-M3	32-Bit Single-Core	48MHz	I2C, IrDA, SmartCard, SPI, UART/USART, USB	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT	65	256KB (256K x 8)	FLASH	-	32K x 8	1.98V ~ 3.8V	A/D 8x12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount

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Microcontrollers FAQ

Common questions about selecting, comparing and sourcing Microcontrollers components through Winsun (HK) Electronics.

What should I check when selecting Microcontrollers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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