EFM8BB51F8I-C-QFN20R The Silicon Labs EFM8BB51F8I-C-QFN20R is an 8-bit microcontroller featuring an 8051 core, 8KB of FLASH program memory, and operating at up to 50MHz. It offers various communication interfaces and is housed in a compact 20-QFN package.
Mfr Part #:

EFM8BB51F8I-C-QFN20R

Available from 1 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs EFM8BB51F8I-C-QFN20R is an 8-bit microcontroller featuring an 8051 core, 8KB of FLASH program memory, and operating at up to 50MHz. It offers various communication interfaces and is housed in a compact 20-QFN package.
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EFM8BB51F8I-C-QFN20R Available from 1 distributor

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EFM8BB51F8I-C-QFN20R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
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EFM8BB51F8I-C-QFN20R Description

Short technical summary and product information.

This 8-bit microcontroller from Silicon Labs, part of the Busy Bee family, is designed for embedded applications requiring a balance of performance and features in a small form factor. It utilizes the CIP-51 8051 core, capable of operating at a maximum frequency of 50MHz.

 

The EFM8BB51F8I-C-QFN20R is equipped with 8KB of in-system reprogrammable FLASH program memory and 1.25KB of RAM. Key peripherals include a 12-bit Analog-to-Digital converter, PWM capabilities, and watchdog timer. For communication, it supports I²C, SMBus, SPI, and UART/USART protocols.

 

With a wide operating voltage range from 1.8V to 5.5V and an operating temperature range of -40°C to 125°C, this microcontroller is suitable for various environmental conditions. It features 16 multifunction I/O pins and an internal oscillator for clock generation.

 

The device is supplied in a 20-QFN (3x3) package with surface mount mounting type, making it ideal for space-constrained designs. Its compact size and robust feature set make it a versatile choice for consumer electronics, industrial automation, and other embedded systems.

EFM8BB51F8I-C-QFN20R Quick Information

Product Type: Microcontroller
Series: Busy Bee
Canonical Name: EFM8BB51F8I-C-QFN20R 8-Bit Microcontroller
Subcategory: 8-Bit

EFM8BB51F8I-C-QFN20R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

EFM8BB51F8I-C-QFN20R Features

  • 8-bit microcontroller with 8051 core
  • 50MHz maximum operating frequency
  • 8KB FLASH program memory
  • 1.25KB RAM
  • 16 multifunction I/O pins

EFM8BB51F8I-C-QFN20R Applications

  • Ideal for embedded control systems
  • Suitable for consumer electronics
  • Used in industrial automation
  • Compact design for space-constrained applications

EFM8BB51F8I-C-QFN20R FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the EFM8BB51F8I-C-QFN20R?

The operating voltage range is 1.8V to 5.5V.

What package type does the EFM8BB51F8I-C-QFN20R come in?

It comes in a 20-QFN (3x3) package with exposed pad.

What is the operating temperature range for this microcontroller?

-40°C to 125°C.

Is the EFM8BB51F8I-C-QFN20R RoHS compliant?

Yes, it is RoHS3 compliant.

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