EFM32WG895F256-BGA120

Microcontrollers Overview

The EFM32WG895F256-BGA120 is a 32-bit microcontroller from the Silicon Labs EFM32 Gecko family, built on an ARM Cortex-M4 processor with a Floating-Point Unit (FPU). It operates at a maximum clock frequency of 48 MHz and features 256 kB of flash memory alongside 32 kB of RAM. The device is housed in a BGA120 package and supports a supply voltage range of 1.98 V to 3.8 V. It includes integrated hardware cryptography, multiple communication interfaces including USB, and ultra-low power modes such as Stop mode consuming 0.65 μA.

Microcontrollers Feature Summary

• ARM Cortex-M4 core with FPU for high-performance processing
• Ultra-low power operation with autonomous peripherals
• Hardware AES encryption for secure data handling
• Integrated LCD controller and analog peripherals

Microcontrollers Applications

• Energy, gas, water, and smart metering
• Health and fitness applications
• Smart accessories
• Alarm and security systems
• Industrial and home automation

Microcontrollers Procurement Notes

Verify the exact part number against official Silicon Laboratories documentation to ensure compatibility with your specific design requirements. Confirm that the BGA120 package type matches your PCB layout constraints. Check for any recent product lifecycle notices or end-of-life announcements directly from the manufacturer before finalizing procurement plans.

Microcontrollers Selection Notes

Select this component when designing battery-powered systems requiring both high performance and low energy consumption. The inclusion of a floating-point unit makes it suitable for complex mathematical operations. Ensure your application can utilize its extensive peripheral set, including USB and LCD controllers, to maximize the value of the integrated features.

Microcontrollers Part Context

This microcontroller belongs to the EFM32WG Wonder Gecko series, known for balancing performance with energy efficiency. It is designed for applications where power management is critical without sacrificing processing capability. The BGA120 package offers a compact footprint suitable for space-constrained designs.

Microcontrollers Replacement Considerations

Consult the official EFM32WG datasheet ordering information table for direct pin-compatible alternatives within the same family. Verify feature parity regarding memory size and peripheral availability when considering substitutes.

Microcontrollers FAQ

What is the current consumption in Stop mode?

The device consumes as little as 0.65 μA in Stop mode with brown-out detection and RAM retention enabled.

Does the MCU support hardware cryptography?

Yes, it includes a hardware AES accelerator supporting 128/256-bit keys.