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EFR32MG12P432F1024GL125

SiLEFR32MG12P432F1024GL125

Silicon Labs
802.15.4-optimized wireless SoC family (Thread/Zigbee) suitable for mesh and low-power IoT endpoints.
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Overview

The EFR32MG12 is a high-performance multiprotocol wireless SoC designed for mesh networking and low-power IoT endpoints. It features an ARM Cortex-M4 core with a floating-point unit and integrated radio support for both 2.4 GHz and Sub-GHz frequencies, making it ideal for Zigbee and Thread applications.

Why Choose This Part

This SoC offers exceptional memory density with 1024 KB Flash and 256 KB RAM, providing enough headroom for complex multiprotocol stacks and large application code. The integrated balun for 2.4 GHz simplifies RF design and reduces the bill-of-materials footprint.

Applications

Smart Home Mesh Hubs
Serves as a central gateway for Zigbee or Thread networks, managing dozens of connected devices while utilizing the large 1024 KB flash for OTA updates.
Battery-Powered IoT Sensors
Utilizes 1.5 microamp deep sleep current and autonomous peripheral management to extend battery life in wireless environmental sensors.
Industrial Monitoring
Employs Sub-GHz radio operation for long-range communication in industrial facilities where 2.4 GHz interference is a concern.
Secure Connected Locks
Uses the integrated hardware crypto accelerator and true random number generator to provide robust security for residential and commercial access control.

Getting Started

Development is supported through the Silicon Labs Simplicity Studio IDE, which includes the AppBuilder tool for configuring Zigbee and Thread stacks. For hardware prototyping, the Mighty Gecko Wireless Starter Kit (SLWSTK6000B) provides a robust platform for debugging and power profiling via the Energy Profiler tool.

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
EFR32MG12P432F1024GL125 (this part) — — — —
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: EFR32MG12P132F1024GM48-CR, EFR32MG12P432F1024IM48-CR, EFR32MG12P432F1024GM48-CR, EFR32MG12

Also Consider

EFR32MG24 SiLSilicon Labs - A newer generation offering AI/ML hardware acceleration and larger 1536 KB Flash for more demanding mesh applications.
nRF52840 nRFNordic Semiconductor - An industry-standard alternative for multiprotocol IoT that includes integrated USB and high-performance Bluetooth 5.0 support.
CC2652R TITexas Instruments - A competitive multiprotocol SoC featuring a dedicated sensor controller for ultra-low power autonomous data collection.