EFM32WG280F64-B-QFP100

Microcontrollers Overview

The EFM32WG280F64-B-QFP100 is a 32-bit microcontroller from the Silicon Labs Wonder Gecko series, built on an ARM Cortex-M4F core. It operates at a maximum frequency of 48 MHz and includes 64 KB of flash memory and 32 KB of RAM. The device features eight 12-bit SAR ADCs and two 12-bit DACs. It supports interfaces including I2C, SPI, UART/USART, IrDA, smart card, and EBI/EMI. Operating voltage ranges from 1.98 V to 3.8 V, with a working temperature range of -40°C to 85°C. It is housed in a 100-LQFP package.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M4F processor with single-precision floating-point unit for efficient signal processing.
• Provides extensive connectivity options including multiple serial communication interfaces and external bus interface.
• Features high-resolution analog peripherals with multiple SAR ADCs and precision DACs for sensor interfacing.

Microcontrollers Applications

• Battery-powered IoT sensor nodes requiring low power consumption
• Industrial control systems utilizing smart card or IrDA protocols
• Consumer electronics with display interfaces via EBI/EMI

Microcontrollers Procurement Notes

This component is officially listed as obsolete and no longer manufactured by Silicon Labs. Verification of availability should focus on surplus distributors or secondary markets rather than direct manufacturer stock. Engineers must confirm the authenticity of sourced units through authorized channels. Design-in activities should proceed with caution due to end-of-life status. Long-term production support cannot be guaranteed from the original equipment manufacturer.

Microcontrollers Selection Notes

Designers requiring active components should consider newer generations within the EFM32 portfolio that offer enhanced performance or updated packaging. The transition to replacement parts requires evaluation of pin compatibility and peripheral equivalence. Software migration efforts may be necessary if architectural differences exist between the Wonder Gecko and successor families. Reviewing the official replacement guide ensures functional parity in critical applications.

Microcontrollers Part Context

This part belongs to the Wonder Gecko family, which targets energy-efficient embedded applications. The series emphasizes low-power operation while maintaining sufficient processing power for complex tasks. The specific model integrates standard connectivity features suitable for general-purpose microcontroller roles in constrained environments.

Microcontrollers Replacement Considerations

Silicon Labs recommends the EFM32GG12B330F512GQ100-A as a manufacturer-recommended substitute. This alternative offers increased flash capacity and belongs to the Giant Gecko series. Compatibility verification is required for software and hardware designs migrating from the obsolete WG280 model.