EFM32WG390F256-B-BGA112R

Microcontrollers Overview

The EFM32WG390F256-B-BGA112R is a 32-bit microcontroller from the Silicon Labs Wonder Gecko family, utilizing an ARM Cortex-M4F core. It features 256KB of flash memory and 32KB of RAM, operating at a maximum frequency of 48MHz. The device supports a supply voltage range of 1.98V to 3.8V and includes peripherals such as I2C, SPI, UART/USART, IrDA, smart card interfaces, DMA, PWM, and WDT. It houses eight 12-bit ADCs and two 12-bit DACs, housed in a 112-pin BGA package.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M4F processor with DSP capabilities for efficient signal processing.
• Provides extensive connectivity options including I2C, SPI, UART/USART, and IrDA interfaces.
• Features multiple analog peripherals including high-resolution ADCs and DACs for sensor interfacing.

Microcontrollers Applications

• Low power wireless sensor nodes
• Smart home automation controllers
• Industrial monitoring systems

Microcontrollers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package markings and datasheet revisions match the specific order code. Check for moisture sensitivity level compliance during storage and handling to ensure reliability upon soldering.

Microcontrollers Selection Notes

Select this model when a balance of processing performance and low power consumption is required. The inclusion of a floating-point unit makes it suitable for applications needing mathematical efficiency without excessive energy drain. Ensure the 112-pin BGA footprint fits the target PCB layout constraints.

Microcontrollers Part Context

This part belongs to the EFM32WG series, designed for energy-efficient embedded applications. It shares architectural similarities with other Wonder Gecko devices but offers specific memory and peripheral configurations tailored for mid-range control tasks within the broader Silicon Labs MCU portfolio.

Microcontrollers Replacement Considerations

Cross-reference with other EFM32WG variants for pin-compatible upgrades. Verify software compatibility if migrating between different memory sizes within the same family. Consult official substitution lists for end-of-life management strategies.