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EFR32MG12 Mighty Gecko SoC

SiLEFR32MG12 Mighty Gecko SoC

MPN: EFR32MG12P432F1024IM48-CR
Silicon Labs
RF System on a Chip - SoC Mighty Gecko SoC QFN48 2.4 G 19 dB mesh multi-protocol 1024 kB 256 kB (RAM) 31GPIO, +125
9,662 in stock
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Overview

The EFR32MG12P432F1024IM48-CR is a Silicon Labs Mighty Gecko wireless SoC built for 2.4 GHz mesh and multi-protocol designs. It combines a Cortex-M microcontroller, integrated RF transceiver, flash, and RAM in a single QFN package for compact embedded products. This family is commonly used in connected devices that need low-power wireless communication and on-chip application processing.

Why Choose This Part

This part integrates the RF radio, MCU, memory, and wireless stack support in one device, which helps reduce board size and component count. The 2.4 GHz mesh and multi-protocol focus makes it a practical choice for connected products that need interoperability and low-power operation. Silicon Labs tooling and wireless software support can shorten bring-up time for mesh-based designs.

Applications

Zigbee and Thread nodes
Useful for battery-powered or mains-powered mesh network devices such as sensors, lights, and controls.
Smart home endpoints
Fits connected switches, locks, thermostats, and other home automation devices that benefit from 2.4 GHz wireless.
Industrial wireless sensors
Suitable for compact sensor nodes and field devices that need local processing plus wireless connectivity.
Multi-protocol gateways and endpoints
Good for products that may need to support multiple 2.4 GHz wireless stacks in one hardware platform.
Connected controls and remotes
Useful for wireless user interfaces, remote controls, and other low-power human interface devices.

Getting Started

Silicon Labs EFR32 development kits are the most direct way to evaluate this family, especially if you plan to use Zigbee, Thread, or Bluetooth-based stacks. Typical software starts with Simplicity Studio, which provides device setup, examples, and debug integration for EFR32 parts. For hardware, pay attention to RF layout, antenna matching, and the specific package and pinout before moving from a dev board to a custom PCB.

Part of Silicon Labs EFR32 / EFM32 family » EFR32MG12

EFR32MG12 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number GPIO Package Tx Power Stock
EFR32MG12P432F1024IM48-CR (this part) — — — 9,662
EFR32MG12P332F1024GM48-C 31 VFQFN-48 10dBm 880
EFR32MG12P433F1024GM48-CR 31 VFQFN-48 20dBm 7,411
EFR32MG12P433F1024GL125 65 VFBGA-125 20dBm 4,780
Also available as: EFR32MG12P432F1024GL125, EFR32MG12P132F1024GM48-CR, EFR32MG12P432F1024GM48-CR, EFR32MG12

Also Consider

EFR32MG21 Mighty Gecko SoC SiLSilicon Labs - A newer Silicon Labs 2.4 GHz wireless SoC option when you want a related Mighty Gecko family device with updated platform support.
CC2652R1 2.4 GHz Wireless MCU TITexas Instruments - A strong alternative for Zigbee and Thread-style mesh nodes with a well-known 2.4 GHz wireless MCU platform.