EFR32FG22C121F512GM32-CR

RF Transceiver ICS Overview

The EFR32FG22C121F512GM32-CR is a wireless System-on-Chip (SoC) from the Flex Gecko family, manufactured by Silicon Labs. It integrates a 38.4 MHz ARM Cortex-M33 processor with a high-performance 2.4 GHz radio. The device features 512 kB of flash memory and 32 kB of RAM. It supports proprietary protocols with a maximum transmit power of 6 dBm and a receive sensitivity of -96.2 dBm. Power consumption includes 3.6 mA during reception and 8.2 mA during transmission. It operates within a voltage range of 1.71 V to 3.8 V and functions between -40°C and +125°C.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M33 core with a 2.4 GHz radio for energy-efficient wireless connectivity.
• Optimized for IoT devices requiring low-power proprietary protocol networks.
• Provides a single-die solution combining processing and RF capabilities.

RF Transceiver ICS Applications

• Energy-efficient IoT device networking
• Proprietary protocol implementations
• Low-power wireless sensor nodes

RF Transceiver ICS Procurement Notes

Verify that the specific suffix '-CR' aligns with your required packaging configuration, as datasheets may list alternative tape-and-reel options. Confirm the operating temperature grade matches your environmental constraints. Ensure the 6 dBm output power meets your link budget requirements. Check for any regional regulatory certifications associated with this specific variant before finalizing procurement.

RF Transceiver ICS Selection Notes

Select this component when a balance of moderate processing power and low cost is required for 2.4 GHz applications. It is suitable for projects where higher transmit power or sub-GHz bands are unnecessary. Consider the 38.4 MHz clock speed for basic signal processing tasks. Evaluate if the 512 kB flash capacity suffices for your firmware size and data storage needs.

RF Transceiver ICS Part Context

This part belongs to the EFR32FG22 Flex Gecko series, designed for cost-sensitive and power-constrained IoT markets. It shares architectural similarities with other members of the Gecko family, facilitating software portability. The FG22 series focuses on proprietary applications rather than multiprotocol support found in MG or BG series devices.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers only; omit otherwise.

RF Transceiver ICS FAQ

Does the EFR32FG22C121F512GM32-CR support Bluetooth or Wi-Fi?

No, this specific model is designed for proprietary 2.4 GHz protocols and does not include Bluetooth or Wi-Fi radio stacks.

What is the maximum operating temperature for this SoC?

The device supports an extended industrial temperature range up to +125°C.