EFM32LG230F256G-F-QFN64R

Microcontrollers Overview

The EFM32LG230F256G-F-QFN64R is a 32-bit microcontroller from the Silicon Labs Leopard Gecko family, built on the ARM Cortex-M3 core. It features 256 kB of flash memory and 32 kB of RAM, operating at a maximum clock frequency of 48 MHz. The device supports an operating supply voltage range of 1.98 V to 3.8 V and functions within temperatures from -40°C to +85°C. It includes integrated peripherals such as AES encryption, USB connectivity, and multiple communication interfaces.

Microcontrollers Feature Summary

• Integrates hardware-accelerated AES encryption for secure data processing
• Supports direct-drive TFT displays and embedded USB connectivity
• Features low-energy modes with short wake-up times for battery efficiency

Microcontrollers Applications

• Battery-operated consumer electronics requiring high performance
• Secure IoT devices utilizing embedded encryption capabilities
• Systems requiring direct-drive display interfaces

Microcontrollers Procurement Notes

Verify the specific suffix 'F' against official Silicon Labs documentation to confirm package or temperature grade variations. Confirm current lifecycle status as distribution channels may list discontinued variants. Ensure compatibility with existing PCB footprints for the 64-pin QFN package before procurement.

Microcontrollers Selection Notes

Select this component when 256 kB of program storage and 32 kB of RAM are required alongside USB and security features. The 48 MHz CPU speed suits applications needing moderate processing power. Compare against other Leopard Gecko variants if lower memory or different pin counts suffice for the design.

Microcontrollers Part Context

This MCU belongs to the EFM32 Leopard Gecko series, designed for energy-sensitive applications. It combines the ARM Cortex-M3 architecture with specialized low-power technologies. The family emphasizes autonomous peripheral operation and efficient sleep states to extend battery life in portable devices.

Microcontrollers Replacement Considerations

EFM32LG230F256G-E-QFN64R shares identical core specifications including memory size, CPU speed, and package type. Verify if the suffix difference indicates a distinct temperature rating or packaging variant before substitution.