EFM32LG942F128G-F-QFP64R

Microcontrollers Overview

The EFM32LG942F128G-F-QFP64R is a 32-bit microcontroller from the Leopard Gecko series, featuring an ARM Cortex-M3 core operating at 48 MHz. It integrates 128 KB of flash memory and 32 KB of RAM within a 64-TQFP package. The device supports a supply voltage range of 1.98 V to 3.8 V and includes eight 12-bit SAR ADCs and two 12-bit DACs. Connectivity options include I2C, IrDA, smart card, SPI, UART/USART, and USB interfaces.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M3 processor for efficient code execution
• Includes multiple analog peripherals such as SAR ADCs and DACs
• Supports diverse communication protocols including USB and smart card
• Features low-power operation capabilities suitable for battery applications

Microcontrollers Applications

• Smart home devices requiring secure connectivity
• Industrial control systems with sensor inputs
• Portable consumer electronics utilizing LCD displays
• Wearable technology with strict power constraints

Microcontrollers Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm package integrity and pin alignment against the 64-TQFP specification. Ensure firmware compatibility with the specific Leopard Gecko silicon revision. Check for any security advisories related to debug access permissions before integration into final products.

Microcontrollers Selection Notes

Select this model when a balance of processing power and peripheral richness is required in a compact form factor. The inclusion of USB and smart card interfaces makes it suitable for secure data exchange applications. Consider the 48 MHz clock speed for real-time processing needs while evaluating the available GPIO count for system expansion requirements.

Microcontrollers Part Context

This component belongs to the EFM32 Leopard Gecko family, designed for energy-efficient embedded applications. The series emphasizes low power consumption without sacrificing performance, making it ideal for battery-operated devices. The specific variant offers a mid-range memory configuration suitable for complex firmware implementations.

Microcontrollers Replacement Considerations

Cross-reference with other EFM32LG variants for pin-compatible upgrades. Verify software library compatibility when substituting with different flash sizes within the same series. Ensure that peripheral configurations match the target application requirements during replacement planning.