EFR32MG1P732F256GM32-C0R

Overview

The EFR32MG1P732F256GM32-C0R is a Mighty Gecko System on Chip (SoC) from Silicon Labs, integrating an ARM Cortex-M4 processor with a 2.4 GHz RF transceiver. It features 256 kB of flash memory and 32 kB of RAM. The device supports Bluetooth v4.0, Zigbee, and proprietary protocols within the 802.15.4 standard. Key electrical specifications include a maximum output power of 19.5 dBm, a receive sensitivity of -92.5 dBm, and a supply voltage range of 1.85 V to 3.8 V. Current consumption is 8.7 mA during reception and varies between 8.2 mA and 126.7 mA during transmission. It operates in temperatures from -40°C to 85°C and is housed in a 32-VFQFN package.

Feature Summary

• Integrates an ARM Cortex-M4 core with a high-performance 2.4 GHz radio for combined processing and wireless communication.
• Supports multiple wireless protocols including Bluetooth Low Energy, Zigbee, and IEEE 802.15.4 standards.
• Provides robust RF performance with high output power and sensitive reception capabilities for reliable mesh networking.

Applications

• Smart home lighting and control systems
• Wireless sensor networks and IoT devices
• Home automation hubs and gateways

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix matches the required package and temperature grade. Check for current lifecycle status as this part may be designated as Not Recommended for New Designs (NRND). Ensure compatibility with existing firmware and hardware designs before procurement.

Selection Notes

Select this component when a balance of moderate memory capacity and multi-protocol support is required for 2.4 GHz applications. Consider the NRND status for long-term production viability. Evaluate alternative Mighty Gecko variants if higher memory, different pin counts, or sub-GHz frequencies are needed. Verify that the 32-pin QFN package fits the mechanical constraints of the target PCB design.

Part Context

This SoC belongs to the Silicon Labs Mighty Gecko family, designed for low-power wireless connectivity. It sits alongside other variants like the MG1B series, offering similar architectural foundations but differing in memory size, RF power levels, and protocol support options. The family targets cost-sensitive, battery-operated consumer electronics requiring reliable mesh networking capabilities.

Replacement Considerations

Direct substitutes include other Mighty Gecko parts such as EFR32MG1B232F256GM32-C0R, though differences in RF power and protocol support must be verified. Cross-referencing with newer generation Geckos may require significant firmware and hardware redesigns due to architectural changes.