Connectivity is I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART, USB - Embedded - Microcontrollers Distributor - LM3S3N26-IQR50-C3 LM3S3N26-IQR50-C5

Part Number	Manufacturer / Brand	Brife Description	Part Status	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	Package / Case	Supplier Device Package
LM3S3N26-IQR50-C3	Texas Instruments	IC MCU 32BIT 64KB FLASH 64LQFP	Obsolete	ARM® Cortex®-M3	32-Bit	50MHz	I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	33	64KB (64K x 8)	FLASH	-	12K x 8	1.08 V ~ 1.32 V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	64-LQFP	64-LQFP (10x10)
LM3S3N26-IQR50-C5	Texas Instruments	IC MCU 32BIT 64KB FLASH 64LQFP	Obsolete	ARM® Cortex®-M3	32-Bit	50MHz	I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART, USB	Brown-out Detect/Reset, DMA, POR, PWM, WDT	33	64KB (64K x 8)	FLASH	-	12K x 8	1.08 V ~ 1.32 V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	64-LQFP	64-LQFP (10x10)