EFR32MG1P232F256IM48-C0

Overview

The EFR32MG1P232F256IM48-C0 is a System-on-Chip (SoC) integrating an ARM Cortex-M4 microcontroller with a 2.4 GHz radio transceiver, designed for Bluetooth Low Energy and IEEE 802.15.4 applications. It features 256 kB of flash memory and 32 kB of RAM. The device operates on a supply voltage ranging from 1.85 V to 3.8 V. Key electrical parameters include a maximum output power of 19.5 dBm, a receive sensitivity of -94 dBm, and a maximum data rate of 1 Mbps. Receive current is specified at 8.7 mA, while transmit current ranges from 8.2 mA to 126.7 mA. It supports interfaces including I2C, SPI, UART, and I2S within a 48-VFQFN package.

Feature Summary

• Integrates a high-performance ARM Cortex-M4 processor with a 2.4 GHz radio transceiver for combined processing and wireless communication.
• Supports multiple wireless protocols including Bluetooth Low Energy, Thread, and Zigbee for versatile mesh networking capabilities.
• Provides extensive peripheral connectivity through serial interfaces such as SPI, I2C, UART, and I2S for sensor integration.

Applications

• Smart home devices requiring BLE or Zigbee connectivity
• Industrial sensor nodes utilizing Thread protocol
• Wearable electronics needing low-power wireless communication

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheets. Confirm the specific suffix 'C0' matches design requirements, as it denotes temperature range and packaging specifications. Ensure compatibility with existing PCB footprints for the 48-VFQFN exposed pad package. Review RoHS compliance status for environmental regulations. Validate that the 'Not Recommended for New Designs' status does not conflict with long-term production needs.

Selection Notes

Select this component when a single-chip solution for 2.4 GHz multi-protocol operation is required. It is suitable for designs prioritizing reduced bill-of-materials count by combining MCU and RF functions. Consider the 256 kB flash capacity for application firmware size. Evaluate the 19.5 dBm output power against link budget requirements. Assess the 48-pin QFN package constraints for board space limitations compared to larger packages in the Mighty Gecko family.

Part Context

This part belongs to the Silicon Labs EFR32MG1 series, known as the Mighty Gecko family. These SoCs are engineered for energy-efficient wireless IoT applications. The MG1 variant specifically targets 2.4 GHz markets. The EFR32MG1P232F256IM48-C0 represents a configuration balancing moderate memory resources with robust wireless performance, fitting between lower-memory entry-level chips and higher-capacity variants like the EFR32MG12 series.

Replacement Considerations

Publicly confirmed substitute part numbers were not identified in the provided documentation. Designers should consult Silicon Labs official cross-reference tools for compatible alternatives within the EFR32MG1 family or next-generation Mighty Gecko series.