Connectivity is SMBus (2-Wire/I²C), LINbus, SPI, UART/USART - Embedded - Microcontrollers Distributor - C8051F546-IM C8051F552-IM C8051F562-IM

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
C8051F546-IM	Silicon Labs	IC MCU 8BIT 8KB FLASH 24QFN	Active	8051	8-Bit	50MHz	SMBus (2-Wire/I²C), LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	8KB (8K x 8)	FLASH	-	1.25K x 8	1.8 V ~ 5.25 V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	24-WFQFN Exposed Pad	24-QFN (4x4)
C8051F552-IM	Silicon Labs	IC MCU 8BIT 32KB FLASH 24QFN	Active	8051	8-Bit	50MHz	SMBus (2-Wire/I²C), LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8 V ~ 5.25 V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	24-WFQFN Exposed Pad	24-QFN (4x4)
C8051F562-IM	Silicon Labs	IC MCU 8BIT 32KB FLASH 32QFN	Active	8051	8-Bit	50MHz	SMBus (2-Wire/I²C), LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	25	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8 V ~ 5.25 V	A/D 25x12b	Internal	-40°C ~ 125°C (TA)	32-VFQFN Exposed Pad	32-QFN (5x5)
C8051F566-IM	Silicon Labs	IC MCU 8BIT 16KB FLASH 32QFN	Active	8051	8-Bit	50MHz	SMBus (2-Wire/I²C), LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	25	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8 V ~ 5.25 V	A/D 25x12b	Internal	-40°C ~ 125°C (TA)	32-VFQFN Exposed Pad	32-QFN (5x5)