EFM32WG280F128-QFP100T

Microcontrollers Overview

The EFM32WG280F128-QFP100T is a 32-bit microcontroller from Silicon Labs, part of the Gecko family. It features an ARM Cortex-M4 processor with Floating-Point Unit (FPU) operating at up to 48 MHz. The device includes 128 kB of flash memory and 32 kB of RAM. It operates within a supply voltage range of 1.98 V to 3.8 V and supports temperatures from -40°C to 85°C. The component is housed in a 100-pin LQFP package.

Microcontrollers Feature Summary

• ARM Cortex-M4 CPU platform with FPU for high-performance signal processing
• Ultra-low power operation across multiple energy modes including Stop and Shutoff
• Hardware cryptography support via AES accelerator
• Integrated LCD controller and external bus interface for display and memory expansion

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 specific ordering code against official manufacturer documentation to ensure correct feature set and package type. Confirm that the 'T' suffix indicates tape and reel packaging if required by assembly equipment. Check for any End of Life or Not Recommended for New Design status updates in recent datasheet revisions before finalizing procurement plans.

Microcontrollers Selection Notes

Select this model when a balance of moderate flash capacity and low-power performance is needed. The 100-pin LQFP package provides ample GPIO availability for complex peripheral connections. Ensure the application requires the specific 128 kB flash size rather than larger variants like the 256 kB option, which may offer cost advantages if more memory is available.

Microcontrollers Part Context

This component belongs to the EFM32WG Gecko family, designed for energy-sensitive embedded IoT applications. It shares architectural similarities with other WG devices but differs in memory configuration and package options. The family emphasizes low current consumption in active and sleep modes while maintaining high computational throughput through the Cortex-M4 core.

Microcontrollers Replacement Considerations

Direct substitutes within the same package and pinout include other EFM32WG280 variants with different flash sizes, such as EFM32WG280F64 or EFM32WG280F256, provided memory requirements align. Cross-family replacements require careful verification of pin compatibility and peripheral availability.