EFR32MG1P232F256GM48-B0

Overview

The EFR32MG1P232F256GM48-B0 is an RF transceiver IC and MCU from Silicon Labs, featuring a 40 MHz ARM Cortex-M4 core with 256 kB Flash and 32 kB RAM. It operates in the 2.4 GHz band, supporting Bluetooth v4.0 and Zigbee protocols. The device is housed in a 48-VFQFN package with exposed pad, measuring 7.1 x 7.1 x 0.85 mm. It functions within a temperature range of -40 °C to +85 °C.

Feature Summary

• Integrates a 40 MHz ARM Cortex-M4 microcontroller with substantial memory resources for complex IoT applications.
• Supports dual-mode wireless connectivity including Bluetooth Low Energy and Zigbee standards.
• Utilizes a compact QFN48 package design suitable for space-constrained embedded systems.

Applications

• Smart home automation devices
• Industrial sensor networks
• Wireless control systems

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot codes and date codes against current production status. Ensure compliance with regional regulatory requirements for radio frequency equipment. Check for specific packaging variations if required by assembly processes.

Selection Notes

Select this model when a balanced combination of processing power and wireless capability is needed for 2.4 GHz applications. Consider the 40 MHz clock speed and memory size relative to application complexity. Evaluate the QFN48 footprint compatibility with existing PCB layouts and thermal management strategies.

Part Context

This part belongs to the EFR32MG series of Mighty Gecko SoCs designed for low-power wireless applications. It represents a generation of integrated solutions combining high-performance MCUs with robust RF transceivers, targeting the growing market for connected IoT devices requiring reliable mesh networking capabilities.

Replacement Considerations

EFR32MG1P232F256GM48-C0 is a documented variant within the same family offering similar specifications.