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EFM8UB20F64G-B-QFN32 The Silicon Labs EFM8UB20F64G-B-QFN32 is an 8-bit microcontroller from the Universal Bee family. It features a 48MHz core, 64KB of Flash memory, and a USB 2.0 controller.
Mfr Part #:

EFM8UB20F64G-B-QFN32

Available from 1 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs EFM8UB20F64G-B-QFN32 is an 8-bit microcontroller from the Universal Bee family. It features a 48MHz core, 64KB of Flash memory, and a USB 2.0 controller.
Total Stock: 77,295 pcs
$ Price Range: $4.60

EFM8UB20F64G-B-QFN32 Available from 1 distributor

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EFM8UB20F64G-B-QFN32 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Operating Temperature
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Program Memory Size
Program Memory Type
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EFM8UB20F64G-B-QFN32 Description

Short technical summary and product information.

The Silicon Labs EFM8UB20F64G-B-QFN32 is an 8-bit microcontroller belonging to the Universal Bee family, designed for multi-purpose applications with a USB feature set. It is built around a pipelined CIP-51 8051 core capable of operating at a maximum frequency of 48MHz.

 

This MCU offers 64KB of Flash program memory and 4.25KB of RAM. It includes a crystal-less USB 2.0 compliant controller with a 1KB buffer, making it suitable for full-speed USB applications without external components. The device also features a 10-bit ADC, two analog comparators, and 25 multifunction I/O pins.

 

Key electrical specifications include a supply voltage range of 2.65V to 3.6V and an internal 48MHz precision oscillator. Connectivity options include 2 UARTs, SPI, and 2 SMBus/I2C serial communications. The microcontroller operates within an ambient temperature range of -40°C to 85°C.

 

The EFM8UB20F64G-B-QFN32 is supplied in a 32-VFQFN Exposed Pad package, designed for surface mounting. Its peripherals include brown-out detection/reset, power-on reset, PWM, and a watchdog timer.

EFM8UB20F64G-B-QFN32 Quick Information

Product Type: Microcontroller
Series: EFM8UB2
Canonical Name: Silicon Labs EFM8UB20F64G-B-QFN32 8-Bit Microcontroller
Subcategory: 8-Bit

EFM8UB20F64G-B-QFN32 Compliance

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

EFM8UB20F64G-B-QFN32 Estimated Pricing

Qty Low High
1+ $4.60 $4.60

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

EFM8UB20F64G-B-QFN32 Features

  • 8-bit 8051 MCU core operates at 48MHz.
  • 64KB Flash program memory and 4.25KB RAM.
  • Integrated crystal-less USB 2.0 controller.
  • Features 10-bit ADC and 25 multifunction I/O pins.
  • Operates from 2.65V to 3.6V supply voltage.

EFM8UB20F64G-B-QFN32 Applications

  • Ideal for USB I/O controls and dongles.
  • Suitable for high-speed communication bridges.
  • Applications in consumer electronics.
  • Used in medical equipment designs.

EFM8UB20F64G-B-QFN32 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the EFM8UB20F64G-B-QFN32?

The device operates from 2.65V to 3.6V.

What package type does the EFM8UB20F64G-B-QFN32 come in?

It comes in a 32-QFN (5x5) surface mount package with an exposed pad.

What is the maximum operating temperature of this microcontroller?

The maximum operating temperature is 85°C.

Is the EFM8UB20F64G-B-QFN32 RoHS compliant?

Yes, it is RoHS3 compliant.

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