EFR32MG12P431F1024GM68-CR

RF Transceiver ICs

The EFR32MG12P431F1024GM68-CR is a standards-based, highly integrated 8-bit radio transceiver IC with support for multiple protocols including Bluetooth Low Energy (BLE), ZigBee, Thread, and a proprietary 2.4 GHz protocol compatible with Wi-Fi. The device is built around an ARM Cortex-M4 for high-performance and low-power operation. The EFR32MG12P431F1024GM68-CR is an excellent choice for applications requiring an ultra-low power consumption of 3.3 mA/MHz in active mode since it is one of the most power-efficient ARM Cortex-M4 microcontrollers currently available. The device is also equipped with an on-chip radio, a swappable 32-bit bus interface, and a range of peripheral features.

Application Field

The EFR32MG12P431F1024GM68-CR is a highly integrated system-on-chip (SoC) solution for applications requiring ultra-low power connectivity where size and cost are important considerations. This 8-bit radio transceiver integrated circuit (IC) enables the building of complex IoT solutions with long battery life at an attractive cost. The device has multi-protocol support and is highly configurable, allowing it to be used in a wide variety of markets. Its efficient power management and low-power features make it ideal for portable, connected, embedded, wearables, and asset monitoring applications, as well as medical, home automation, and industrial control. Its highly integrated nature, combined with its ability to connect several sensors to a single wireless node, makes it a great choice for compact, cost-effective applications.

Working Principle

The working principle of the EFR32MG12P431F1024GM68-CR is based on the 802.15.4 standard. This is a point-to-multipoint network protocol that enables communication between multiple nodes. The 802.15.4 protocol provides the necessary security software configurations, packet formats, and media access control (MAC) layers for efficient communication. The EFR32MG12P431F1024GM68-CR supports several protocols, such as Bluetooth Low Energy (BLE), ZigBee, and Thread. It is also compatible with Wi-Fi through its proprietary 2.4 GHz protocol. The device is built around an ARM Cortex-M4 for high-performance and low-power operation. The built-in ARM Cortex-M4 enables advanced security features and the efficient management and control of data on the node. It also features on-chip radio, a swappable 32-bit bus interface, and a range of peripheral features that allow for the implementation of sophisticated applications.

The EFR32MG12P431F1024GM68-CR has two main circuits: a radio frequency (RF) circuit and a digital baseband circuit. The RF circuit is responsible for generating an RF signal and for handling the signal\'s radio propagation within a given frequency range. The digital baseband circuit handles the coding and modulation of the signal and the processing of incoming signals. This includes packet formatting, error correction, and the management of RF communication links. The ARM processor in the EFR32MG12P431F1024GM68-CR is responsible for providing the necessary protocol processing and enable advanced features such as energy management, network management, and security.

The EFR32MG12P431F1024GM68-CR is well-suited for the development of low-cost wireless systems for the Internet of Things (IoT) and home automation applications. Its integration of an RF transceiver and an ARM Cortex-M4 processor makes it ideal for more sophisticated applications such as medical and industrial control. With its low power consumption and high integration of features, the EFR32MG12P431F1024GM68-CR is a highly attractive solution for cost-sensitive and size-constrained applications.