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Home Products Integrated Circuits (ICs)Embedded - Microcontrollers~~EFM8BB31F32G-B-QFP32R~~

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EFM8BB31F32G-B-QFP32R - Silicon Labs

Name: Silicon Labs EFM8BB31F32G-B-QFP32R
Brand: Silicon Labs
SKU: EFM8BB31F32G-B-QFP32R
Availability: InStock
Rating: 5 (10 reviews)

Manufacturer Part Number: EFM8BB31F32G-B-QFP32R

Manufacturer: Energy Micro (Silicon Labs)

Allelco Part Number: 32D-EFM8BB31F32G-B-QFP32R

ECAD Model

Parts Description: IC MCU 8BIT 32KB FLASH 32QFP

Package: 32-TQFP

Data sheet: Cylindrical Battery Holders.pdf

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In stock: 19255

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Specifications

EFM8BB31F32G-B-QFP32R Tech Specifications
Silicon Labs - EFM8BB31F32G-B-QFP32R technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - EFM8BB31F32G-B-QFP32R

Product Attribute	Attribute Value
Manufacturer	Energy Micro (Silicon Labs)
Voltage - Supply (Vcc/Vdd)	2.2V ~ 3.6V
Supplier Device Package	32-QFP (7x7)
Speed	50MHz
Series	Busy Bee
RAM Size	2.25K x 8
Program Memory Type	FLASH
Program Memory Size	32KB (32K x 8)
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Package / Case	32-TQFP
Package	Tape & Reel (TR)

Product Attribute	Attribute Value
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Number of I/O	28
Mounting Type	Surface Mount
EEPROM Size	-
Data Converters	A/D 20x10/12b SAR; D/A 2x12b
Core Size	8-Bit
Core Processor	CIP-51 8051
Connectivity	I²C, SMBus, SPI, UART/USART
Base Product Number	EFM8BB31

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status
Moisture Sensitivity Level (MSL)	2 (1 Year)
REACH Status
ECCN	5A992C
HTSUS	8542.31.0001

Parts Introduction

Manufacturer Part Number

EFM8BB31F32G-B-QFP32R

Manufacturer

Silicon Labs

Introduction

The Silicon Labs EFM8BB31F32G-B-QFP32R is a high-performance 8-bit microcontroller (MCU) from the Busy Bee series. It features a CIP-51 8051 core, offering a balance of performance, energy efficiency, and peripheral integration, making it suitable for a wide range of embedded applications.

Product Features and Performance

50MHz operating frequency

32KB of FLASH program memory

25KB of RAM

Integrated peripherals include I2C, SMBus, SPI, UART/USART, brown-out detect/reset, POR, PWM, and watchdog timer

20x10/12-bit SAR ADC and 2x12-bit DAC

Internal oscillator

Operating temperature range of -40°C to 85°C

Product Advantages

Robust 8-bit MCU architecture with extensive peripheral integration

Optimal balance of performance, power efficiency, and cost-effectiveness

Broad range of connectivity options for versatile integration

Reliable operation across wide temperature range

Key Reasons to Choose This Product

Comprehensive peripheral set for diverse application needs

Excellent energy efficiency for battery-powered designs

Flexible clocking options for system optimization

Proven reliability and longevity of the Busy Bee series

Quality and Safety Features

Rigorous quality control and testing processes

Robust design to withstand environmental stresses

Compliance with industry safety and EMC standards

Compatibility

Pin-compatible with other EFM8BB31 series devices

Easy integration with a wide range of system components

Application Areas

Industrial automation and control

Portable and battery-powered devices

Home and building automation

Consumer electronics

Product Lifecycle

The EFM8BB31F32G-B-QFP32R is an active product and not nearing discontinuation.

Equivalent or alternative models within the EFM8BB31 series are available, such as the EFM8BB31F16G-B-QFP32R and EFM8BB31F64G-B-QFP32R, offering different program memory sizes.

For more information on product availability and alternatives, please contact our sales team through our website.

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs EFM8BB31F32G-B-QFP32R

Product Attribute
Part Number	EFM8BB31F32G-B-QFP32R	EFM8BB31F32I-B-4QFN24	EFM8BB31F16G-D-QFN24R	EFM8BB31F64G-B-QFN32
Manufacturer	Silicon Labs	Energy Micro (Silicon Labs)	Silicon Labs	Silicon Labs
Data Converters	A/D 20x10/12b SAR; D/A 2x12b	A/D 12x12b, A/D 2x12b	A/D 12x12b; D/A 2x12b	A/D 20x10/12b SAR; D/A 4x12b
Program Memory Type	FLASH	FLASH	FLASH	FLASH
Package	Tape & Reel (TR)	-	Tape & Reel (TR)	Tray
RAM Size	2.25K x 8	2.25K x 8	2.25K x 8	4.25K x 8
Oscillator Type	Internal	Internal	Internal	Internal
Supplier Device Package	32-QFP (7x7)	24-QFN (4x4)	24-QFN (3x3)	32-QFN (4x4)
Base Product Number	EFM8BB31	-	EFM8BB31	EFM8BB31
Number of I/O	28	20	20	29
Package / Case	32-TQFP	24-WFQFN Exposed Pad	24-VFQFN Exposed Pad	32-UFQFN Exposed Pad
Speed	50MHz	50MHz	50MHz	50MHz
Core Processor	CIP-51 8051	CIP-51 8051	CIP-51 8051	CIP-51 8051
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT
Core Size	8-Bit	8-Bit	8-Bit	8-Bit
Series	Busy Bee	Busy Bee	Busy Bee	Busy Bee
Voltage - Supply (Vcc/Vdd)	2.2V ~ 3.6V	2.2 V ~ 3.6 V	2.2V ~ 3.6V	2.2V ~ 3.6V
Program Memory Size	32KB (32K x 8)	32KB (32K x 8)	16KB (16K x 8)	64KB (64K x 8)
Connectivity	I²C, SMBus, SPI, UART/USART	I²C, SMBus, SPI, UART/USART	I²C, SMBus, SPI, UART/USART	I²C, SMBus, SPI, UART/USART
Mounting Type	Surface Mount	-	Surface Mount	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 125°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
EEPROM Size	-	-	-	-

EFM8BB31F32G-B-QFP32R Datasheet PDF

Download EFM8BB31F32G-B-QFP32R pdf datasheets and Silicon Labs documentation for EFM8BB31F32G-B-QFP32R - Silicon Labs.

Datasheets: Cylindrical Battery Holders.pdf
PCN Packaging: Labeling Change 14/Dec/2021.pdf Mult Dev Label Chgs 20/Oct/2021.pdf
PCN Design/Specification: Mult Dev Revision 23/Jan/2019.pdf EFM8 24/May/2017.pdf

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Use our account for the shipment. Refer to the table below for the approximate charges.

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Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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