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EFM8BB31F64G-C-QFP32 – 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.EFM8BB31F64G-C-QFP32 – Silicon Labs
DescriptionIC MCU 8BIT 64KB FLASH 32QFP
Detailed DescriptionCIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 64KB (64K x 8) FLASH 32-QFP (7x7)
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/O28
Program Memory Size64KB (64K x 8)
Program Memory TypeFLASH
RAM Size4.25K x 8
Voltage – Supply (Vcc/Vdd)2.2V ~ 3.6V
Data ConvertersA/D 20×10/12b SAR; D/A 4x12b
Oscillator TypeInternal
Operating Temperature-40°C ~ 85°C (TA)
Mounting TypeSurface Mount
Package / Case32-TQFP
Supplier Device Package32-QFP (7×7)
Base Product NumberEFM8BB31

Product Information

Semiconductor Product Description: EFM8BB31F64G-C-QFP32

The EFM8BB31F64G-C-QFP32 is a high-performance 8-bit microcontroller from Silicon Labs, designed for a wide range of applications in the electronics industry. This semiconductor product stands out in the market due to its unique features and key benefits.

Key Features:

  • 64 KB Flash memory for program storage
  • 8 KB RAM for data storage
  • 32-pin Quad Flat Package (QFP) for easy integration into circuit boards
  • High-speed 8051 core running at up to 50 MHz
  • Multiple communication interfaces including UART, SPI, and I2C
  • Low power consumption for energy-efficient operation

Key Benefits:

  • Fast and reliable performance for real-time applications
  • Ample memory for storing program code and data
  • Compact form factor for space-constrained designs
  • Versatile communication interfaces for seamless connectivity
  • Low power consumption for extended battery life


The EFM8BB31F64G-C-QFP32 is ideal for a variety of applications including industrial automation, consumer electronics, IoT devices, and more. Its high-performance capabilities make it suitable for tasks that require fast processing and reliable communication.

Performance Advantages:

With its high-speed 8051 core and ample memory resources, this microcontroller offers superior performance compared to other 8-bit solutions in the market. Its low power consumption also makes it a cost-effective choice for battery-powered devices.

In conclusion, the EFM8BB31F64G-C-QFP32 semiconductor product from Silicon Labs is a versatile and high-performance solution for a wide range of electronic applications. Its unique features, key benefits, and superior performance advantages set it apart from competitors in the market.

Additional Info

Type Description Category Integrated Circuits (ICs) Embedded Microcontrollers Mfr Silicon Labs Series Busy Bee Package Tray 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 28 Program Memory Size 64KB (64K […]

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