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EFM8BB31F16I-B-QSOP24R – Silicon Labs

Disclaimer: The image displayed serves as a mere illustration and does not provide precise specifications. For accurate details, We recommend referring to the official product data sheet.


In stock

Manufacturer Silicon Labs
Manufacturer Part No.EFM8BB31F16I-B-QSOP24R – Silicon Labs
DescriptionIC MCU 8BIT 16KB FLASH 24QSOP
Detailed DescriptionCIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 16KB (16K x 8) FLASH 24-QSOP
DatasheetDatasheet Link

Key Stats

71% Customers retention rate

Customers from 12 countries

6 Industries

Product Attributes

CategoryIntegrated Circuits (ICs)
MfrSilicon Labs
SeriesBusy Bee
Product StatusNot For New Designs
Matkronics ProgrammableNot Verified
Core ProcessorCIP-51 8051
Core Size8-Bit
ConnectivityI2C, SMBus, SPI, UART/USART
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
Number of I/O21
Program Memory Size16KB (16K x 8)
Program Memory TypeFLASH
RAM Size2.25K x 8
Voltage – Supply (Vcc/Vdd)2.2V ~ 3.6V
Data ConvertersA/D 13×10/12b SAR; D/A 2x12b
Oscillator TypeInternal
Operating Temperature-40°C ~ 125°C (TA)
Mounting TypeSurface Mount
Package / Case24-SSOP (0.154″, 3.90mm Width)
Supplier Device Package24-QSOP
Base Product NumberEFM8BB31

Product Information

Semiconductor Product Description: EFM8BB31F16I-B-QSOP24R

The EFM8BB31F16I-B-QSOP24R is a high-performance 8-bit microcontroller from Silicon Labs, designed for a wide range of applications in the electronics industry. This semiconductor product offers a unique combination of features and benefits that set it apart from other microcontrollers in the market.

Key Features:

  • 8-bit microcontroller with a maximum operating frequency of 50 MHz
  • 16 KB of flash memory and 2 KB of RAM for storing program code and data
  • Integrated peripherals including UART, SPI, I2C, and GPIO for versatile connectivity options
  • Low power consumption for extended battery life in portable devices
  • Small QSOP24R package for space-constrained applications

Key Benefits:

  • High performance and efficiency for demanding applications
  • Flexible connectivity options for seamless integration with other devices
  • Low power consumption for energy-efficient operation
  • Compact package size for easy PCB layout and design
  • Reliable and durable construction for long-term use


The EFM8BB31F16I-B-QSOP24R microcontroller is ideal for a wide range of applications, including but not limited to:

  • Embedded systems
  • IoT devices
  • Industrial automation
  • Consumer electronics
  • Smart home devices

Overall, the EFM8BB31F16I-B-QSOP24R stands out in the market for its high performance, low power consumption, and versatile connectivity options. Whether you are a technical expert or a non-technical user, this semiconductor product offers the features and benefits you need for your next electronics project.

Additional Info

Type Description Category Integrated Circuits (ICs) Embedded Microcontrollers Mfr Silicon Labs Series Busy Bee Package Tube Product Status Not For New Designs Matkronics Programmable Not Verified Core Processor CIP-51 8051 Core Size 8-Bit Speed 50MHz Connectivity I2C, SMBus, SPI, UART/USART Peripherals Brown-out Detect/Reset, POR, PWM, WDT Number of I/O 21 Program Memory Size 16KB (16K […]

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