EZR32LG330F64R67G-B0

RF Transceiver ICS Overview

The EZR32LG330F64R67G-B0 is a wireless MCU from the Silicon Labs EZR32LG family, integrating an ARM Cortex M4 core with a sub-GHz RF transceiver. It features 64 kB of Flash memory and 32 kB of RAM. The device operates within a voltage range of 1.98 V to 3.8 V and supports frequencies from 142 MHz to 1.05 GHz. Key specifications include a maximum clock frequency of 48 MHz, a +13 dBm power amplifier output, and -133 dBm sensitivity. It utilizes a 64-pin QFN package and includes interfaces such as I2C, SPI, UART, USART, and USB.

RF Transceiver ICS Feature Summary

• Integrates a high-performance ARM Cortex M4 microcontroller with an energy-efficient sub-GHz RF transceiver for flexible wireless design.
• Features a built-in +13 dBm power amplifier and high sensitivity receiver for robust long-range communication capabilities.
• Supports multiple serial communication interfaces including I2C, SPI, UART, USART, and USB for versatile system connectivity.

RF Transceiver ICS Applications

• Wireless sensor networks
• Smart home devices
• Industrial monitoring systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix B0 against official Silicon Labs documentation to ensure correct packaging and regional availability. Confirm that the component matches the required pinout and firmware compatibility for your target application. Check current lifecycle status as older variants may be subject to discontinuation or limited supply constraints in certain regions.

RF Transceiver ICS Selection Notes

Select this model when a combination of processing power and RF performance is required in a single chip. The Cortex M4 core offers sufficient computational capability for complex protocol stacks compared to lower-end M0/M0+ variants. Ensure the 64-pin QFN package fits your PCB layout constraints and that the 1.98V-3.8V operating voltage aligns with your system power architecture.

RF Transceiver ICS Part Context

This part belongs to the EZR32LG series, designed for sub-GHz wireless applications. It sits alongside other variants like the EZR32WG and EZR32HG families, differentiated by core type (M4 vs M0+) and flash size. The LG series specifically targets applications requiring higher processing throughput alongside reliable wireless connectivity.

RF Transceiver ICS Replacement Considerations

EZR32LG330F256R67G-B0