EFR32FG1V131F256GM32-C0R

RF Transceiver ICS Overview

The EFR32FG1V131F256GM32-C0R is a Sub-GHz RF System on Chip (SoC) from Silicon Labs' Flex Gecko family, integrating an ARM Cortex-M4 core with a high-performance transceiver. It features 256 kB of flash memory and 32 kB of RAM within a QFN32 package. The device supports data rates up to 2 Mbps and delivers a maximum output power of 19.5 dBm. Key electrical specifications include receive sensitivity ranging from -89.2 dBm to -92.5 dBm, with supply voltages fixed at 3.3 V for both minimum and maximum operation.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M4 processor with a Sub-GHz radio transceiver in a single system-on-chip solution.
• Provides substantial onboard storage with 256 kB of flash memory and 32 kB of RAM for application execution.
• Delivers robust wireless performance with 19.5 dBm output power and high receiver sensitivity for reliable communication.
• Supports flexible GPIO configurations with 16 available general-purpose input/output pins.

RF Transceiver ICS Applications

• Smart home automation systems requiring Sub-GHz connectivity
• Industrial sensor networks and remote monitoring devices
• Wireless metering applications such as water and gas meters
• Security and alarm systems utilizing long-range transmission

RF Transceiver ICS Procurement Notes

Verify the complete part number including the suffix '-C0R' to ensure correct temperature range and packaging specifications. Confirm that the required frequency band aligns with regional regulatory standards for Sub-GHz operations. Cross-reference the datasheet for specific pinout configurations and electrical characteristics relevant to your circuit design before finalizing procurement orders.

RF Transceiver ICS Selection Notes

Select this component when a combined MCU and RF transceiver is needed for Sub-GHz applications. The 256 kB flash capacity suits complex firmware requirements without external memory. Consider the 19.5 dBm output power for extended range needs. Ensure the QFN32 package fits the mechanical constraints of the target enclosure and PCB layout.

RF Transceiver ICS Part Context

This model belongs to the EFR32FG1 Flex Gecko series, designed for low-power wireless IoT applications. It shares architectural similarities with other FG1 variants but differs in memory size and specific RF tuning. The Flex Gecko line emphasizes energy efficiency and ease of integration for developers building connected devices.

RF Transceiver ICS Replacement Considerations

Direct substitutes may include other EFR32FG1 variants with different memory sizes or package options, such as those ending in different suffixes. Verify compatibility by comparing pinouts, memory specifications, and RF performance metrics against the original requirement.