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EFR32MG12P433F1024GM48-CR

SiLEFR32MG12P433F1024GM48-CR

Silicon Labs
IC RF TxRx + MCU 802.15.4, Bluetooth Bluetooth v5.0, Thread, Zigbee® 48-VFQFN Exposed Pad
Active7,411 in stock

Overview

The EFR32MG12P433F1024GM48-CR is a wireless Gecko System-on-Chip (SoC) designed for IoT applications. It integrates a 40MHz ARM Cortex-M4 microcontroller with 1MB Flash and 256kB RAM, alongside a 2.4 GHz RF transceiver supporting multiple wireless protocols. This SoC offers low-power operation and advanced security features, making it suitable for a wide range of connected devices.

Why Choose This Part

This SoC offers a highly integrated solution with a powerful Cortex-M4 core, extensive memory, and a multi-protocol RF transceiver supporting Bluetooth v5.0, Thread, and Zigbee. Its advanced power management and various low-power modes (down to 0.04uA in Shutoff) enable extended battery life. The integrated hardware crypto accelerator and true random number generator provide robust security for IoT applications.

Applications

Smart Home Devices
Ideal for smart lighting, smart locks, and environmental sensors that require Zigbee or Thread connectivity and long battery life.
Connected Lighting Systems
Enables robust and scalable mesh networking for commercial and residential lighting solutions using Zigbee or Thread protocols.
Industrial IoT Nodes
Suitable for sensor nodes in industrial environments needing reliable wireless communication and secure data handling.
Portable Medical Devices
Its low-power modes and Bluetooth v5.0 support make it a strong candidate for battery-powered health monitoring and portable medical equipment.
Asset Tracking
Can be used in systems for tracking assets through Bluetooth Low Energy (BLE) beacons or other mesh networking solutions.

Key Specifications

GPIO 31
Type TxRx + MCU
Protocol Bluetooth v5.0, Thread, Zigbee
Modulation 2FSK, 2GFSK, 4FSK, 4GFSK, ASK, BPSK, DBPSK, DSSS, GFSK, GMSK, MSK, OOK, OQPSK
Memory Size 1MB Flash, 256kB RAM
Mounting Type Surface Mount
Package / Case 48-VFQFN Exposed Pad
Power - Output 20dBm
Voltage - Supply 1.8V ~ 3.8V
Serial Interfaces I2C, I2S, SPI, UART
RF Family/Standard 802.15.4, Bluetooth
Operating Temperature -40degC ~ 85degC
Supplier Device Package 48-QFN (7x7)

Getting Started

Silicon Labs provides the Simplicity Studio IDE, which offers a comprehensive development environment for EFR32 devices, including code examples and software development kits (SDKs). Engineers can begin prototyping with development kits such as the Wireless Gecko Starter Kit, which includes a WSTK main board and a radio board for the EFR32MG12. Familiarity with ARM Cortex-M development and wireless networking protocols is beneficial.

Also Consider

nRF52840-QIAA-R nRFNordic Semiconductor - This part is a strong competitor for Bluetooth 5.0, Thread, and Zigbee applications, known for its ultra-low power consumption and comprehensive SDK.
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