EFM8BB31F64I-B-5QFN32

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SILICON LABS

IC MCU 8BIT 64KB FLASH 32QFN

EFM8BB31F64I-B-5QFN32

Unknown

SILICON LABS

IC MCU 8BIT 64KB FLASH 32QFN

Description Specifications Series Pricing CAD Documents

Description

General part information

EFM8BB31 Series

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

Technical Specifications

Parameters and characteristics for this part

Specification	EFM8BB31F64I-B-5QFN32

A/D Channels	20 count
A/D Resolution (bits)	10 bit, 12 bit
Connectivity	I2C, UART, SMBus, SPI, USART
Converter Architecture	SAR
Core Processor	CIP-51 8051
Core Size (Bit Width)	8 Bit
D/A Channels	4 count
D/A Resolution (bits)	12 bit
Mounting Type	Surface Mount
Number of I/O	29
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package / Case	32-WFQFN Exposed Pad
Package Length	5 mm
Package Name	32-QFN
Package Width	5 mm
Peripherals	WDT, PWM, Brown-out Detect, POR, Reset
Program Memory Depth	64 K
Program Memory Size	64 KB
Program Memory Type	FLASH
Program Memory Width	8 bit
RAM Size Depth	4.25 K
RAM Size Width	8 bit
Speed	50 MHz
Voltage - Supply (Vcc/Vdd) Maximum	3.6 V
Voltage - Supply (Vcc/Vdd) Minimum	2.2 V

EFM8BB31 Series

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Part	Program Memory Depth	Program Memory Width	Program Memory Size	Oscillator Type	Package Width	Package Name	Package Length	D/A Channels	Converter Architecture	D/A Resolution (bits)	A/D Channels	A/D Resolution (bits)	Peripherals	Package / Case	Connectivity	Core Processor	Number of I/O	Core Size (Bit Width)	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum	Speed	RAM Size Width	RAM Size Depth	Operating Temperature (Max)	Operating Temperature (Min)	Mounting Type	Program Memory Type	Converter Type	A/D Resolution (Min)	A/D Resolution (Max)
SILICON LABS EFM8BB31F64G-B-QFN24	64 K	8 bit	64 KB	Internal	3 mm	24-QFN	3 mm	2 count	SAR	12 bit	12 count	10 bit 12 bit	Brown-out Detect POR PWM Reset WDT	24-VFQFN Exposed Pad	I2C SMBus SPI UART USART	CIP-51 8051	20	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	4.25 K	85 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB31F16G-D-QSOP24R	16 K	8 bit	16 KB	Internal	3.9 mm	24-QSOP 24-SSOP	0.154 in	2 count		12 bit	13 count	12 bit	Brown-out Detect POR PWM Reset WDT		I2C SMBus SPI UART USART	CIP-51 8051	21	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	2.25 K	85 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB31F32G-A-QFP32	32 K	8 bit	32 KB	Internal	7 mm	32-QFP	7 mm	2 count		12 bit	20 count		Brown-out Detect POR PWM Reset WDT	32-TQFP	I2C SMBus SPI UART USART	CIP-51 8051	28	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	2.25 K	85 °C	-40 °C	Surface Mount	FLASH	A/D D/A	10 bit	12 bit
SILICON LABS EFM8BB31F32G-B-QFP32R	32 K	8 bit	32 KB	Internal	7 mm	32-QFP	7 mm	2 count		12 bit	20 count		Brown-out Detect POR PWM Reset WDT	32-TQFP	I2C SMBus SPI UART USART	CIP-51 8051	28	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	2.25 K	85 °C	-40 °C	Surface Mount	FLASH	A/D D/A	10 bit	12 bit
SILICON LABS EFM8BB31F16I-D-5QFN32	16 K	8 bit	16 KB	Internal	5 mm	32-QFN	5 mm	2 count		12 bit	20 count	12 bit	Brown-out Detect POR PWM Reset WDT	32-WFQFN Exposed Pad	I2C SMBus SPI UART USART	CIP-51 8051	29	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	2.25 K	125 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB31F16A-D-5QFN32R	16 K	8 bit	16 KB	Internal	5 mm	32-QFN	5 mm	2 count		12 bit	20 count	12 bit	Brown-out Detect POR PWM Reset WDT	32-WFQFN Exposed Pad	I2C SMBus SPI UART USART	CIP-51 8051	29	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	2.25 K	125 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB31F64I-B-5QFN32	64 K	8 bit	64 KB	Internal	5 mm	32-QFN	5 mm	4 count	SAR	12 bit	20 count	10 bit 12 bit	Brown-out Detect POR PWM Reset WDT	32-WFQFN Exposed Pad	I2C SMBus SPI UART USART	CIP-51 8051	29	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	4.25 K	125 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB31F16G-C-QFN32	16 K	8 bit	16 KB	Internal	4 mm	32-QFN	4 mm	2 count		12 bit	20 count		Brown-out Detect POR PWM Reset WDT	32-UFQFN Exposed Pad	I2C SMBus SPI UART USART	CIP-51 8051	29	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	2.25 K	85 °C	-40 °C	Surface Mount	FLASH	A/D D/A	10 bit	12 bit
SILICON LABS EFM8BB31F32G-D-QFP32	32 K	8 bit	32 KB	Internal	7 mm	32-QFP	7 mm	2 count		12 bit	20 count	12 bit	Brown-out Detect POR PWM Reset WDT	32-TQFP	I2C SMBus SPI UART USART	CIP-51 8051	28	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	2.25 K	85 °C	-40 °C	Surface Mount	FLASH
SILICON LABS EFM8BB31F32G-B-QFN32R	32 K	8 bit	32 KB	Internal	4 mm	32-QFN	4 mm	2 count		12 bit	20 count		Brown-out Detect POR PWM Reset WDT	32-UFQFN Exposed Pad	I2C SMBus SPI UART USART	CIP-51 8051	29	8 Bit	2.2 V	3.6 V	50 MHz	8 bit	2.25 K	85 °C	-40 °C	Surface Mount	FLASH	A/D D/A	10 bit	12 bit

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

EFM8BB31F64I-B-5QFN32 | Datasheet