EFM8BB31F64I-B-5QFN32

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Silicon Labs

IC MCU 8BIT 64KB FLASH 32QFN

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EFM8BB31F64I-B-5QFN32

Unknown

Silicon Labs

IC MCU 8BIT 64KB FLASH 32QFN

Deep-Dive with AI

DocumentsDatasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	EFM8BB31F64I-B-5QFN32

Connectivity	I2C, SPI, UART/USART, SMBus
Core Processor	CIP-51 8051
Core Size	8-Bit
Data Converters	A/D 20x10/12b SAR, D/A 4x12b
Mounting Type	Surface Mount
Number of I/O	29
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	Internal
Program Memory Size	64 KB
Program Memory Type	FLASH
RAM Size	4.25 K
Speed	50 MHz
Supplier Device Package	32-QFN (5x5)
Voltage - Supply (Vcc/Vdd) [Max]	3.6 V
Voltage - Supply (Vcc/Vdd) [Min]	2.2 V

EFM8BB31 Series

...

Part	Number of I/O	Program Memory Size	Operating Temperature [Max]	Operating Temperature [Min]	Oscillator Type	Supplier Device Package	Core Processor	Core Size	Package / Case	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Mounting Type	Program Memory Type	Speed	Data Converters	Connectivity	RAM Size	Package / Case [custom]	Data Converters [custom]	Data Converters [custom]
Silicon Labs EFM8BB31F64G-B-QFN24	20	64 KB	85 °C	-40 °C	Internal	24-QFN (3x3)	CIP-51 8051	8-Bit	24-VFQFN Exposed Pad	2.2 V	3.6 V	Surface Mount	FLASH	50 MHz	A/D 12x10/12b SAR D/A 2x12b	I2C SMBus SPI UART/USART	4.25 K
Silicon Labs EFM8BB31F16G-D-QSOP24R	21 I/O	16 KB	85 °C	-40 °C	Internal	24-QSOP	CIP-51 8051	8-Bit	24-SSOP	2.2 V	3.6 V	Surface Mount	FLASH	50 MHz	A/D 13x12b D/A 2x12b	I2C SMBus SPI UART/USART	2.25 K	0.154 " 3.9 mm
Silicon Labs EFM8BB31F32G-A-QFP32	28	32 KB	85 °C	-40 °C	Internal	32-QFP (7x7)	CIP-51 8051	8-Bit	32-TQFP	2.2 V	3.6 V	Surface Mount	FLASH	50 MHz	A/D 20x10/12b SAR D/A 2x12b	I2C SMBus SPI UART/USART	2.25 K
Silicon Labs EFM8BB31F32G-B-QFP32R	28	32 KB	85 °C	-40 °C	Internal	32-QFP (7x7)	CIP-51 8051	8-Bit	32-TQFP	2.2 V	3.6 V	Surface Mount	FLASH	50 MHz	A/D 20x10/12b SAR D/A 2x12b	I2C SMBus SPI UART/USART	2.25 K
Silicon Labs EFM8BB31F16I-D-5QFN32	29	16 KB	125 °C	-40 °C	Internal	32-QFN (5x5)	CIP-51 8051	8-Bit		2.2 V	3.6 V	Surface Mount	FLASH	50 MHz		I2C SMBus SPI UART/USART	2.25 K		2 channels 20	12
Silicon Labs EFM8BB31F16A-D-5QFN32R	29	16 KB	125 °C	-40 °C	Internal	32-QFN (5x5)	CIP-51 8051	8-Bit		2.2 V	3.6 V	Surface Mount	FLASH	50 MHz		I2C SMBus SPI UART/USART	2.25 K		2 channels 20	12
Silicon Labs EFM8BB31F64I-B-5QFN32	29	64 KB	125 °C	-40 °C	Internal	32-QFN (5x5)	CIP-51 8051	8-Bit		2.2 V	3.6 V	Surface Mount	FLASH	50 MHz	A/D 20x10/12b SAR D/A 4x12b	I2C SMBus SPI UART/USART	4.25 K
Silicon Labs EFM8BB31F16G-C-QFN32	29	16 KB	85 °C	-40 °C	Internal	32-QFN (4x4)	CIP-51 8051	8-Bit	32-UFQFN Exposed Pad	2.2 V	3.6 V	Surface Mount	FLASH	50 MHz	A/D 20x10/12b SAR D/A 2x12b	I2C SMBus SPI UART/USART	2.25 K
Silicon Labs EFM8BB31F32G-D-QFP32	28	32 KB	85 °C	-40 °C	Internal	32-QFP (7x7)	CIP-51 8051	8-Bit	32-TQFP	2.2 V	3.6 V	Surface Mount	FLASH	50 MHz		I2C SMBus SPI UART/USART	2.25 K		2 channels 20	12
Silicon Labs EFM8BB31F32G-B-QFN32R	29	32 KB	85 °C	-40 °C	Internal	32-QFN (4x4)	CIP-51 8051	8-Bit	32-UFQFN Exposed Pad	2.2 V	3.6 V	Surface Mount	FLASH	50 MHz	A/D 20x10/12b SAR D/A 2x12b	I2C SMBus SPI UART/USART	2.25 K

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

EFM8BB31 Series

CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 64KB (64K x 8) FLASH 32-QFN (5x5)

Documents

Technical documentation and resources