Specification	EFM8BB51F8I-C-TSSOP20R

A/D Channels	16 count
A/D Resolution (bits)	12 bit
Connectivity	I2C, UART, SMBus, SPI, USART
Converter Architecture	SAR
Core Processor	CIP-51 8051
Core Size (Bit Width)	8 Bit
Mounting Type	Surface Mount
Number of I/O	16
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package Length	0.173 in
Package Name	20-TSSOP
Package Width	4.4 mm
Peripherals	WDT, PWM, Brown-out Detect, POR, Reset
Program Memory Depth	8 K
Program Memory Size	8 KB
Program Memory Type	FLASH
Program Memory Width	8 bit
RAM Size Depth	1.25 K
RAM Size Width	8 bit
Speed	50 MHz
Voltage - Supply (Vcc/Vdd) Maximum	5.5 V
Voltage - Supply (Vcc/Vdd) Minimum	1.8 V

EFM8BB51 Series

Part	Speed	Package Length	Package Name	Package Width	Program Memory Depth	Program Memory Width	Program Memory Size	Package / Case	Number of I/O	A/D Resolution (bits)	Converter Architecture	A/D Channels	Peripherals	Oscillator Type	Connectivity	Core Processor	RAM Size Depth	RAM Size Width	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum	Core Size (Bit Width)	Operating Temperature (Max)	Operating Temperature (Min)	Mounting Type	Program Memory Type
SILICON LABS EFM8BB51F8I-C-QFN20R	50 MHz	3 mm	20-QFN	3 mm	8 K	8 bit	8 KB	20-WFQFN Exposed Pad	16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	125 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB51F16I-C-TSSOP20	50 MHz	0.173 in	20-TSSOP	4.4 mm	16 K	8 bit	16 KB		16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	125 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB51F16G-C-QFN20R	50 MHz	3 mm	20-QFN	3 mm	16 K	8 bit	16 KB	20-WFQFN Exposed Pad	16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	85 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB51F8I-C-TSSOP20R	50 MHz	0.173 in	20-TSSOP	4.4 mm	8 K	8 bit	8 KB		16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	125 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB51F8G-C-TSSOP20	50 MHz	0.173 in	20-TSSOP	4.4 mm	8 K	8 bit	8 KB		16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	85 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB51F8G-C-QFN20R	50 MHz	3 mm	20-QFN	3 mm	8 K	8 bit	8 KB	20-WFQFN Exposed Pad	16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	85 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB51F16I-C-TSSOP20R	50 MHz	0.173 in	20-TSSOP	4.4 mm	16 K	8 bit	16 KB		16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	125 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB51F8G-C-TSSOP20R	50 MHz	0.173 in	20-TSSOP	4.4 mm	8 K	8 bit	8 KB		16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	85 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB51F8I-C-TSSOP20	50 MHz	0.173 in	20-TSSOP	4.4 mm	8 K	8 bit	8 KB		16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	125 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB51F16I-C-QFN20	50 MHz	3 mm	20-QFN	3 mm	16 K	8 bit	16 KB	20-WFQFN Exposed Pad	16	12 bit	SAR	16 count	Brown-out Detect POR PWM Reset WDT	Internal	I2C SMBus SPI UART USART	CIP-51 8051	1.25 K	8 bit	1.8 V	5.5 V	8 Bit	125 °C	-40 °C	Surface Mount	FLASH

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EFM8BB51F8I-C-TSSOP20R | Datasheet