Connectivity is I²C, SIO, SSU, UART/USART - Embedded - Microcontrollers Distributor - R5F211A2SP#U0 R5F211B1SP#U0 R5F211B2SP#U0

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
R5F211A2SP#U0	Renesas Electronics America	IC MCU 16BIT 8KB FLASH 20LSSOP	Active	R8C	16-Bit	20MHz	I²C, SIO, SSU, UART/USART	LED, POR, Voltage Detect, WDT	13	8KB (8K x 8)	FLASH	-	512 x 8	2.7 V ~ 5.5 V	A/D 4x10b	Internal	-20°C ~ 85°C (TA)	20-LSSOP (0.173", 4.40mm Width)	20-LSSOP
R5F211B1SP#U0	Renesas Electronics America	IC MCU 16BIT 4KB FLASH 20LSSOP	Active	R8C	16-Bit	20MHz	I²C, SIO, SSU, UART/USART	LED, POR, Voltage Detect, WDT	13	4KB (4K x 8)	FLASH	-	384 x 8	2.7 V ~ 5.5 V	A/D 4x10b	Internal	-20°C ~ 85°C (TA)	20-LSSOP (0.173", 4.40mm Width)	20-LSSOP
R5F211B2SP#U0	Renesas Electronics America	IC MCU 16BIT 8KB FLASH 20LSSOP	Active	R8C	16-Bit	20MHz	I²C, SIO, SSU, UART/USART	LED, POR, Voltage Detect, WDT	13	8KB (8K x 8)	FLASH	-	512 x 8	2.7 V ~ 5.5 V	A/D 4x10b	Internal	-20°C ~ 85°C (TA)	30-LSSOP (0.240", 6.10mm Width)	30-LSSOP