EFM32WG332F128-B-QFP64

Microcontrollers Overview

The EFM32WG332F128-B-QFP64 is a 32-bit microcontroller from the Silicon Labs Wonder Gecko family, built on an ARM Cortex-M4F core. It features 128 KB of flash memory and 32 KB of RAM, operating at speeds up to 48 MHz. The device supports a supply voltage range of 1.98 V to 3.8 V and includes integrated data converters such as eight 12-bit SAR ADCs and two 12-bit DACs. Connectivity options include I²C, IrDA, SmartCard, SPI, UART/USART, and USB interfaces. It is housed in a 64-TQFP package with an operating temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M4F processor with hardware floating-point unit for efficient computation.
• Includes multiple low-energy peripherals such as LESENSE and autonomous DMA capabilities.
• Supports USB connectivity for host, device, and on-the-go configurations.

Microcontrollers Applications

• Battery-operated consumer electronics
• Industrial sensor nodes
• Smart home devices

Microcontrollers Procurement Notes

Verify the specific suffix 'B' against official Silicon Labs documentation to confirm pinout and electrical characteristics. Confirm current availability status as distribution listings may vary. Ensure the QFP64 package dimensions match your PCB footprint requirements before finalizing procurement.

Microcontrollers Selection Notes

Select this component when a balance of processing power and energy efficiency is required for IoT applications. The inclusion of USB and analog peripherals makes it suitable for complex sensing tasks. Compare against other Wonder Gecko variants based on specific flash size and peripheral needs.

Microcontrollers Part Context

This part belongs to the EFM32 Wonder Gecko series, designed for low-power embedded applications. It shares architectural similarities with other Cortex-M4F devices in the portfolio but offers specific memory and package configurations tailored for cost-sensitive and space-constrained designs.

Microcontrollers Replacement Considerations

Check for direct cross-references within the EFM32G or EFM32WG families. Verify compatibility with existing firmware due to potential peripheral register differences between sub-families.