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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersEFM8UB20F64G-B-QFN32R
EFM8UB20F64G-B-QFN32R Image
Image may be representation.
See specifications for product details.

EFM8UB20F64G-B-QFN32R - Silicon Labs

Manufacturer Part Number
EFM8UB20F64G-B-QFN32R
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-EFM8UB20F64G-B-QFN32R
ECAD Model
Parts Description
IC MCU 8BIT 64KB FLASH 32QFN
Detailed Description
Package
32-VFQFN Exposed Pad
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
RoHS Compliant
In stock: 13393

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Quantity

Specifications

EFM8UB20F64G-B-QFN32R Tech Specifications
Silicon Labs - EFM8UB20F64G-B-QFN32R technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - EFM8UB20F64G-B-QFN32R

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply (Vcc/Vdd) 2.65V ~ 3.6V  
Supplier Device Package 32-QFN (5x5)  
Speed 48MHz  
Series Universal Bee  
RAM Size 4.25K x 8  
Program Memory Type FLASH  
Program Memory Size 64KB (64K x 8)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 32-VFQFN Exposed Pad  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 25  
Mounting Type Surface Mount  
EEPROM Size -  
Data Converters A/D 20x10b  
Core Size 8-Bit  
Core Processor CIP-51 8051  
Connectivity I²C, SMBus, SPI, UART/USART, USB  
Base Product Number EFM8UB20  

Parts Introduction

Manufacturer Part Number

EFM8UB20F64G-B-QFN32R

Manufacturer

Silicon Labs

Introduction

EFM8UB20F64G-B-QFN32R is an 8-bit microcontroller from Silicon Labs' Universal Bee series designed for embedded control applications.

Product Features and Performance

8-Bit CIP-51 8051 Core Processor

Speed up to 48MHz

I2C, SMBus, SPI, UART/USART, USB Connectivity

Brown-out Detect/Reset, Power-On Reset, PWM, Watchdog Timer Peripherals

25 General Purpose I/O Pins

64KB FLASH Program Memory

25K x 8 RAM Size

Internal Oscillator

A/D 20x10-bit Converters

Surface Mount 32-QFN Package

Operating Temperature Range from -40°C to 85°C

Product Advantages

High-speed 8051 core with up to 48MHz operation

USB functionality for easy connectivity

Multiple serial communication options

Comprehensive set of peripheral functions

Generous on-chip memory for complex applications

Robust operating temperature suitable for various environments

Key Technical Parameters

Core Size: 8-Bit

Speed: 48MHz

Program Memory Size: 64KB (64K x 8)

RAM Size: 4.25K x 8

Voltage Supply: 2.65V to 3.6V

Number of I/O: 25

Data Converters: A/D 20x10b

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Brown-out Detect/Reset ensures system integrity during voltage dips

Power-On Reset for reliable start-up

Watchdog Timer to recover from software errors

Compatibility

Compatible with USB 2.0 Full Speed specification

Supports various serial communication protocols

Application Areas

Industrial control

Consumer electronics

Automotive systems

Home automation

Internet of Things devices

Product Lifecycle

Product Status: Active

Continuous manufacturer support with no current discontinuation notice

Reasons to Choose This Product

High-performance 8051 MCU ideal for time-sensitive applications

USB interface for modern connectivity requirements

Comprehensive communication protocol support facilitates system integration

Advanced peripheral set enhances design flexibility

Significant memory allocation for robust applications

Reliable performance across industrial temperature ranges

Long-term availability and support from Silicon Labs

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs EFM8UB20F64G-B-QFN32R

Product Attribute EFM8UB20F64G-B-QFN32R EFM8UB20F64G-B-QFN32 EFM8UB20F32G-B-QFN32 EFM8UB20F64G-A-QFN32R
Part Number EFM8UB20F64G-B-QFN32R EFM8UB20F64G-B-QFN32 EFM8UB20F32G-B-QFN32 EFM8UB20F64G-A-QFN32R
Manufacturer Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Supplier Device Package 32-QFN (5x5) 32-QFN (5x5) 32-QFN (5x5) 32-QFN (5x5)
Series Universal Bee Universal Bee Universal Bee Universal Bee
RAM Size 4.25K x 8 4.25K x 8 2.25K x 8 4.25K x 8
Package Tape & Reel (TR) Tube Tube Tape & Reel (TR)
Peripherals Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT
Connectivity I²C, SMBus, SPI, UART/USART, USB I²C, SMBus, SPI, UART/USART, USB I²C, SMBus, SPI, UART/USART, USB I²C, SMBus, SPI, UART/USART, USB
Program Memory Size 64KB (64K x 8) 64KB (64K x 8) 32KB (32K x 8) 64KB (64K x 8)
Package / Case 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad
Oscillator Type Internal Internal Internal Internal
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Number of I/O 25 25 25 25
Program Memory Type FLASH FLASH FLASH FLASH
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Voltage - Supply (Vcc/Vdd) 2.65V ~ 3.6V 2.65V ~ 3.6V 2.65V ~ 3.6V 2.65V ~ 3.6V
Base Product Number EFM8UB20 EFM8UB20 EFM8UB20 EFM8UB20
EEPROM Size - - - -
Data Converters A/D 20x10b A/D 20x10b A/D 20x10b A/D 20x10b
Core Processor CIP-51 8051 CIP-51 8051 CIP-51 8051 CIP-51 8051
Speed 48MHz 48MHz 48MHz 48MHz
Core Size 8-Bit 8-Bit 8-Bit 8-Bit

EFM8UB20F64G-B-QFN32R Datasheet PDF

Download EFM8UB20F64G-B-QFN32R pdf datasheets and Silicon Labs documentation for EFM8UB20F64G-B-QFN32R - Silicon Labs.

Datasheets
Cylindrical Battery Holders.pdf
PCN Packaging
Labeling Change 14/Dec/2021.pdf Mult Dev Label Chgs 20/Oct/2021.pdf
PCN Assembly/Origin
2.73KHz.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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EFM8UB20F64G-B-QFN32R Image

EFM8UB20F64G-B-QFN32R

Silicon Labs
32D-EFM8UB20F64G-B-QFN32R

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