EFR32BG21A010F512IM32-B

RF Transceiver ICS Overview

The EFR32BG21A010F512IM32-B is a Blue Gecko RF System-on-Chip from Silicon Labs, designed for Bluetooth 5.1 applications. It integrates an ARM Cortex-M33 core operating at a maximum clock frequency of 80 MHz with 32-bit data bus width. The device features 512 kB of program memory (Flash) and 64 kB of RAM. It operates within a supply voltage range of 1.71 V to 3.8 V and supports a 2.4 GHz radio interface with a maximum output power of 10 dBm. The component provides 20 general-purpose input/output pins and includes interfaces such as I2C, USART, SPI, and I2S. It is housed in a QFN-32 package measuring 4 mm in length and supports surface mount installation.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M33 processor core for efficient code execution
• Supports Bluetooth 5.1 protocol stack and mesh networking capabilities
• Includes integrated radio transceiver with configurable output power
• Provides multiple serial communication interfaces for peripheral connectivity

RF Transceiver ICS Applications

• Bluetooth Low Energy sensor nodes
• Smart home lighting controls
• Wireless audio accessories
• Industrial IoT gateways

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'B' indicates the correct tape and reel packaging configuration required for automated assembly processes. Confirm that the manufacturer's datasheet aligns with the intended firmware development environment. Ensure compliance with RoHS directives and check for any recent product change notices regarding material composition or manufacturing location updates before finalizing procurement orders.

RF Transceiver ICS Selection Notes

Select this model when Bluetooth 5.1 compatibility is required alongside moderate memory constraints. The 512 kB Flash size suits applications with complex protocol stacks but limited custom data storage needs. Consider the 80 MHz processing speed for handling real-time signal processing tasks. Evaluate the QFN-32 package dimensions against available PCB space and thermal dissipation requirements compared to larger footprint alternatives.

RF Transceiver ICS Part Context

This component belongs to the EFR32BG21 Blue Gecko series, which focuses on optimized Bluetooth performance. It shares architectural similarities with the MG21 variant but differs in supported wireless protocols. The part number structure indicates specific memory configurations and package types within the broader Mighty Gecko family ecosystem.

RF Transceiver ICS Replacement Considerations

EFR32BG21A010F512IM32-BR