Silicon Labs EFM32WG840F256-B-QFN64R
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 25.14 | Dhs. 25.14 |
| 15+ | Dhs. 24.33 | Dhs. 364.95 |
| 25+ | Dhs. 23.81 | Dhs. 595.25 |
| 50+ | Dhs. 22.48 | Dhs. 1,124.00 |
| 100+ | Dhs. 19.84 | Dhs. 1,984.00 |
| N+ | Dhs. 3.97 | Price Inquiry |
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Silicon Labs EFM32WG840F256-B-QFN64R Wonder Gecko Microcontroller
The EFM32WG840F256-B-QFN64R from Silicon Labs' Wonder Gecko series is a high-performance 32-bit microcontroller powered by an ARM® Cortex®-M4F core running at 48MHz. This advanced MCU combines exceptional processing power with energy efficiency, making it ideal for demanding embedded applications requiring both performance and low power consumption.
Key Features and Benefits
Engineered with 256KB of Flash memory and 32KB of RAM, this microcontroller provides ample storage for complex firmware and data-intensive applications. The ARM Cortex-M4F core delivers superior computational capabilities with integrated floating-point unit (FPU), enabling precise mathematical operations essential for signal processing, motor control, and sensor fusion applications.
The device offers extensive connectivity options including I2C, IrDA, SmartCard, SPI, and UART/USART interfaces, ensuring seamless integration with various peripheral devices and communication protocols. With 56 configurable I/O pins, designers have maximum flexibility for interfacing with sensors, displays, and other external components.
Advanced Peripheral Integration
This microcontroller features a comprehensive set of integrated peripherals including DMA for efficient data transfers, I2S for high-quality audio applications, LCD controller for direct display driving, and PWM for precise motor control and LED dimming. Built-in safety features such as Brown-out Detect/Reset, Power-On Reset (POR), and Watchdog Timer (WDT) ensure reliable operation in critical applications.
The integrated 12-bit SAR ADC with 8 channels and dual 12-bit DACs provide accurate analog signal acquisition and generation capabilities, perfect for sensor interfacing and control applications. Operating across a wide voltage range of 1.98V to 3.8V and temperature range of -40°C to 85°C, this MCU is suitable for industrial, automotive, and harsh environment applications.
Package and Mounting
Housed in a compact 64-QFN (9x9mm) surface mount package with exposed pad for enhanced thermal performance, the EFM32WG840F256-B-QFN64R offers an optimal balance between functionality and board space efficiency. The device is supplied in Tape & Reel packaging for automated assembly processes and is fully RoHS compliant, meeting environmental standards for modern electronics manufacturing.
Related Products and Resources
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| Product attributes | Property Value |
| Manufacturer | Silicon Labs |
| Product Series | Wonder Gecko |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| Core Processor | ARM® Cortex®-M4F |
| Core Size | 32-Bit Single-Core |
| Speed | 48MHz |
| Connectivity | I2C, IrDA, SmartCard, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT |
| Number of I/O | 56 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.98V ~ 3.8V |
| Data Converters | A/D 8x12b SAR; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-QFN (9x9) |
| Package / Case | 64-VFQFN Exposed Pad |
| ROHS |  |
EFM32WG840F256-B-QFN64R.pdf