EFM8BB21F16G The Silicon Labs EFM8BB21F16G is an 8-bit microcontroller operating at 50 MHz. It features 16 kB of Flash memory and 2.25 kB of RAM.
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EFM8BB21F16G

Available from 1 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs EFM8BB21F16G is an 8-bit microcontroller operating at 50 MHz. It features 16 kB of Flash memory and 2.25 kB of RAM.
✓ Total Stock: 2,080 pcs
$ Price Range: $6.63

EFM8BB21F16G Available from 1 distributor

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✓ Non-Authorised
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2,080 pcs
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EFM8BB21F16G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Operating Temperature

EFM8BB21F16G Description

Short technical summary and product information.

The EFM8BB21F16G from Silicon Labs is an 8-bit microcontroller built on a low-power platform, capable of operating at 50 MHz. This MCU includes 16 kB of Flash memory and 2.25 kB of RAM, making it suitable for various embedded applications.

 

Key electrical features include 1 SPI, 2 UART, and 1 I2C communication interfaces, along with 3 PCA/PWM channels and 5 16-bit timers. It also offers a 12-bit ADC with 15 channels. The device operates within a temperature range of -40 to 85 °C.

 

Packaged in a compact 3x3 mm QFN20 package, the EFM8BB21F16G is designed for applications requiring efficient processing and peripheral integration. Its specifications make it a versatile choice for smart home devices, industrial IoT, and other embedded systems.

EFM8BB21F16G Quick Information

Product Type: Microcontroller
Series: EFM8BB
Canonical Name: EFM8BB21F16G 8-bit Microcontroller
Subcategory: 8-bit Microcontrollers

EFM8BB21F16G Compliance

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

EFM8BB21F16G Estimated Pricing

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1+ $6.63 $6.63

Estimated market price range - modelled values for guidance only, not live distributor offers.

EFM8BB21F16G Features

  • 8-bit microcontroller operating at 50 MHz.
  • 16 kB Flash and 2.25 kB RAM.
  • Includes SPI, UART, and I2C interfaces.
  • Features 3 PCA/PWM channels and 5 timers.
  • Operates from -40 to 85 °C in QFN20 package.

EFM8BB21F16G Applications

  • Suitable for embedded control applications.
  • Ideal for sensor interfacing and data acquisition.
  • Used in industrial and consumer electronics.
  • Can be used in motor control with PWM.
  • Applicable in communication modules via UART/I2C/SPI.

EFM8BB21F16G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type and size?

The EFM8BB21F16G is available in a 3x3 mm QFN20 package.

What is the operating temperature range?

The operating temperature range is -40 to 85 °C.

What is the core frequency?

50 MHz.

How much Flash memory does it have?

16 kB.

How much RAM does it have?

2.25 kB.

What is the ADC resolution?

12-bit with 15 channels.

What serial interfaces are available?

1 SPI, 2 UART, and 1 I2C.

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