EFM32GG11B420F2048GQ64-A

Microcontrollers Overview

The EFM32GG11B420F2048GQ64-A is a 32-bit microcontroller from Silicon Labs' Giant Gecko Series 1, built on an ARM Cortex-M4 core with FPU. It operates at up to 72 MHz and features 2048 kB of Flash memory and 512 kB of RAM. The device includes a crystal-free USB interface, Ethernet MAC, CAN bus controllers, and Octal/Quad-SPI support. It offers ultra-low power consumption with 80 μA/MHz in active mode and 2.1 μA in deep sleep. The component is housed in a 64-pin QFP package and supports a supply voltage range of 1.8 V to 3.8 V.

Microcontrollers Feature Summary

• Integrated cryptographic hardware engine supporting AES, ECC, SHA, and TRNG for robust security.
• Crystal-free low-energy USB operation with integrated PHY and regulator.
• Advanced energy management system enabling autonomous peripheral operation in deep sleep modes.
• High-performance connectivity including 10/100 Ethernet MAC and dual CAN bus controllers.

Microcontrollers Applications

• Smart energy meters
• Industrial and factory automation systems
• Home automation and security devices
• Mid- and high-tier wearables
• IoT devices requiring high performance and low energy

Microcontrollers Procurement Notes

Verify the specific ordering code against official Silicon Labs documentation to ensure correct feature set and package configuration. Confirm that the suffix indicates the intended tape and reel packaging if required for automated assembly. Cross-reference temperature grades and memory sizes with the final design requirements before procurement.

Microcontrollers Selection Notes

Select this model when a balance of high integration and low power is critical. The inclusion of Ethernet and USB without external crystals reduces BOM complexity. Ensure the application can accommodate the 64-pin QFP footprint and verify that the 50 available GPIO pins meet the interface requirements.

Microcontrollers Part Context

This MCU belongs to the EFM32 Giant Gecko Series 1 family, designed for energy-friendly embedded applications. It shares architectural similarities with other GG11 variants but differs in specific peripheral availability and package options. The series emphasizes low current consumption across multiple energy modes while maintaining high processing throughput.

Microcontrollers Replacement Considerations

Check for pin-compatible alternatives within the same GG11 family, such as EFM32GG11B420F2048IQ64-B for extended temperature ranges. Verify peripheral availability matches exactly, as some variants may lack specific interfaces like Ethernet or USB.

Microcontrollers FAQ

Does the EFM32GG11B420F2048GQ64-A include a DC-DC converter?

No, the '4' in the feature set code indicates this variant does not include an integrated DC-DC buck converter.

What is the maximum operating frequency of the ARM Cortex-M4 core?

The core operates at a maximum frequency of 72 MHz.