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EFR32FG23A010F512GM40-C

SiLEFR32FG23A010F512GM40-C

Silicon Labs
IC RF TxRx + MCU WiFi 169.4MHz ~ 169.475MHz, 169.5875MHz ~ 169.8125MHz, 314MHz ~ 315MHz, 314MHz ~ 316MHz, 433MHz ~ 434.79MHz, 470MHz ~ 510MHz, 863MHz ~ 869.2MHz, 863MHz ~ 870MHz, 869.4MHz ~ 869.65MHz, 902MHz ~ 928MHz, 920MHz ~ 928MHz, 922.3MHz ~ 928.1MHz 40-VFQFN Exposed Pad
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Overview

The EFR32FG23A010F512GM40-C is a sub-GHz wireless SoC from Silicon Labs designed for long-range, low-power IoT applications. It combines an ARM Cortex-M33 core running at 78MHz with a high-performance radio supporting multiple modulation schemes including 2FSK, GFSK, and O-QPSK across various global sub-GHz frequency bands.

Why Choose This Part

This SoC offers exceptional sensitivity of -126.9dBm and a low sleep current of 1.2uA, significantly extending battery life in field-deployed devices. Its integrated ARM Cortex-M33 with FPU and TrustZone provides both efficient processing and advanced security features for connected edge devices.

Applications

Smart Metering
Ideal for electricity, gas, and water meters requiring long battery life and reliable sub-GHz connectivity in urban environments.
Home Automation
Supports proprietary and standard sub-GHz protocols for smart lighting, HVAC controls, and security sensors.
Industrial Monitoring
Enables wireless sensor networks in industrial settings where 2.4GHz interference is high and long-range penetration is required.

Key Specifications

GPIO 23
Type TxRx + MCU
Frequency 169.4MHz ~ 169.475MHz, 169.5875MHz ~ 169.8125MHz, 314MHz ~ 315MHz, 314MHz ~ 316MHz, 433MHz ~ 434.79MHz, 470MHz ~ 510MHz, 863MHz ~ 869.2MHz, 863MHz ~ 870MHz, 869.4MHz ~ 869.65MHz, 902MHz ~ 928MHz, 920MHz ~ 928MHz, 922.3MHz ~ 928.1MHz
Modulation 2FSK, 2GMSK, 4FSK, 4GMSK, DSSS, GFSK, GMSK, OOK, O-QPSK
Memory Size 512kB Flash, 64kB RAM
Sensitivity -126.9dBm
Mounting Type Surface Mount
Package / Case 40-VFQFN Exposed Pad
Power - Output 14dBm
Data Rate (Max) 2Mbps
Voltage - Supply 1.71V ~ 3.8V
Serial Interfaces ADC, I2C, I2S, IrDA, SPI, UART, USART
RF Family/Standard WiFi
Current - Receiving 3.7mA ~ 9.5mA
Operating Temperature -40degC ~ 85degC (TA)
Current - Transmitting 8.2mA ~ 92mA
Supplier Device Package 40-QFN (5x5)

Getting Started

Developers should use the Simplicity Studio 5 IDE, which provides the Silicon Labs GSDK and specialized tools for wireless configuration. For hardware evaluation, the FG23 Dev Kit (Pro Kit) is the recommended starting point for RF performance testing and energy profiling.

Also Consider

CC1312R TITexas Instruments - Provides similar sub-GHz capabilities and an ARM Cortex-M4F core with specialized sensor controller functionality.
STM32WLE5CC STMicroelectronics - Offers an integrated LoRa-capable radio and is a popular choice for long-range LPWAN applications.

Categories

Wireless & Connectivity > RF Transceivers Microcontrollers > IoT & Wireless MCUs