Home

Products

Integrated Circuits (ICs)

Embedded

Microcontrollers

EFM32WG842F256-B-QFP64

Banner
productimage

EFM32WG842F256-B-QFP64

IC MCU 32BIT 256KB FLASH 64TQFP

Manufacturer: Silicon Labs

Categories: Microcontrollers

Quality Control: Learn More

Silicon Labs EFM32WG842F256-B-QFP64 is a 32-bit ARM Cortex-M4F microcontroller featuring a single-core architecture operating at up to 48MHz. This Wonder Gecko series device offers 256KB of FLASH program memory and 32KB of RAM. Connectivity options include I2C, IrDA, SmartCard, SPI, and UART/USART. The microcontroller is equipped with an 8x12-bit SAR Analog-to-Digital Converter and 2x12-bit Digital-to-Analog Converters. Peripherals include Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, and WDT. The EFM32WG842F256-B-QFP64 is supplied in a 64-TQFP (10x10) surface mount package. This component is suitable for applications in the IoT, industrial control, and consumer electronics sectors. It operates within a voltage range of 1.85V to 3.8V and an ambient temperature range of -40°C to 85°C.

Additional Information

Series: Wonder GeckoRoHS Status: ROHS3 CompliantManufacturer Lead Time: 20 week(s)Product Status: ObsoletePackaging: Tray
Technical Details:
PackagingTray
Package / Case64-TQFP
Mounting TypeSurface Mount
Speed48MHz
Program Memory Size256KB (256K x 8)
RAM Size32K x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeInternal
Program Memory TypeFLASH
EEPROM Size-
Core ProcessorARM® Cortex®-M4F
Data ConvertersA/D 8x12b SAR; D/A 2x12b
Core Size32-Bit Single-Core
Voltage - Supply (Vcc/Vdd)1.85V ~ 3.8V
ConnectivityI2C, IrDA, SmartCard, SPI, UART/USART
PeripheralsBrown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
Supplier Device Package64-TQFP (10x10)
Number of I/O53
ProgrammableNot Verified

Request a Quote

Name (required)

Phone (required)

Work Email (required)

Country (required)

Company Name (required)

CAPTCHA

By providing a telephone number and submitting the form, you are consenting to be contacted by SMS text message and agreeing to our Privacy Policy. Message frequency may vary. Message and data rates may apply. Reply STOP to opt out of further messaging. Reply HELP for more information.
Clients Also Buy
Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

Frequently Asked Questions

As a full line supplier, we specialize in sourcing obsolete and hard to find electronic components for your projects.

After we receive your request submission, one of our account executives will reach out to your team to gather more information about your project requirements and ensure we tailor the order to your needs.

Once requirements such as date codes, quantities, target prices, testing requirements, and more are discussed, our purchasing team will secure stock through Microchip USA’s direct access to manufacturing partners’ excess inventory lists.

Our operations teams will handle logistics and fulfillment to ensure supply chain continuity, and our support team will provide clear communication throughout the process.

Our net terms for electronic component sourcing are flexible and vary by order. Our account executives will work with you to ensure our terms meet your company’s needs. We also offer scheduled shipments and inventory management solutions to ensure a steady supply of electronic components, maintain cash flow, and maximize warranty periods. We always offer a warranty on all tested parts. See our sales terms and conditions for more information.

We partner with industry-leading AS6171 & AS6081-certified third party testing labs to mitigate risk and support a wide array of end uses for your company’s requirements. Testing includes but isn’t limited to: Decapsulation & Internal Dye Verification. X-Ray Inspection & Analysis, External Visual Inspection, Surface Texture Analysis (SEM), and Electrical Pin Correlation.

Industry News
Component Articles