EmbeddedRelated.com
EFR32MG12P432F1024GM48-BR

SiLEFR32MG12P432F1024GM48-BR

Silicon Labs
IC RF TxRx + MCU 802.15.4, Bluetooth Bluetooth v4.0, Thread, Zigbee® 2.4GHz 48-VFQFN Exposed Pad
33,460 in stock

Overview

The EFR32MG12P432F1024GM48-BR is a high-performance wireless microcontroller from Silicon Labs Mighty Gecko family, featuring an ARM Cortex-M4 core with a floating-point unit (FPU). It integrates a 2.4GHz radio transceiver supporting multiple protocols including Bluetooth 4.0, Zigbee, and Thread with a powerful +19dBm output and 1024kB of Flash memory.

Why Choose This Part

This SoC offers exceptional link budget with -102dBm sensitivity and +19dBm output power, ensuring reliable communication in dense environments. It provides significant memory resources with 1024kB Flash and 256kB RAM, supported by a hardware cryptographic accelerator for secure IoT deployments.

Applications

Smart Home Hubs
Acts as a central gateway coordinating Zigbee or Thread mesh networks for home automation systems.
Connected Lighting
Enables wireless control and dimming for LED lighting systems via 802.15.4 or Bluetooth LE.
Industrial Sensor Nodes
Provides long-range communication and low-power operation for battery-powered industrial monitoring.
Building Automation
Integrates into HVAC and security systems requiring secure, encrypted mesh networking.

Key Specifications

GPIO 31
Type TxRx + MCU
Protocol Bluetooth v4.0, Thread, Zigbee
Frequency 2.4GHz
Modulation 2FSK, 4FSK, DSSS, GMSK, MSK, OQPSK
Memory Size 1024kB Flash, 256kB RAM
Sensitivity -102dBm
Mounting Type Surface Mount
Package / Case 48-VFQFN Exposed Pad
Power - Output 19dBm
Data Rate (Max) 2Mbps
Voltage - Supply 1.8V ~ 3.8V
Serial Interfaces I2C, I2S, SPI, UART
RF Family/Standard 802.15.4, Bluetooth
Current - Receiving 8mA ~ 10.8mA
Operating Temperature -40degC ~ 85degC
Current - Transmitting 8.2mA ~ 126.7mA
Supplier Device Package 48-QFN (7x7)

Getting Started

Developers can use the Simplicity Studio IDE which provides a comprehensive suite of wireless stacks and configuration tools. For hardware evaluation, the SLWSTK6000B wireless starter kit is the primary platform for developing and debugging Mighty Gecko applications.

Also Consider

EFR32MG24 SiLSilicon Labs - Provides a more modern Cortex-M33 core with enhanced AI/ML hardware acceleration and larger Flash capacity.
nRF52840 nRFNordic Semiconductor - A widely used alternative supporting Zigbee, Thread, and Bluetooth 5.x with a similar Cortex-M4 core.
CC2652R TITexas Instruments - Supports concurrent multi-protocol operation across Zigbee, Thread, and Bluetooth Low Energy.