EZR32HG320F32R61G-C0

RF Transceiver ICS Overview

The EZR32HG320F32R61G-C0 is a sub-GHz wireless microcontroller from Silicon Labs, integrating an ARM Cortex-M0+ core with an EZRadioPRO transceiver. It features 32 kB of flash memory and 8 kB of RAM, operating at a maximum clock frequency of 25 MHz. The device supports frequencies between 142 MHz and 1.05 GHz, delivering up to +17 dBm output power. It includes a 12-bit ADC, multiple communication interfaces including USB, and operates within a voltage range of 1.98 V to 3.8 V across a temperature range of -40°C to +85°C in a QFN-48 package.

RF Transceiver ICS Feature Summary

• Integrates an energy-efficient ARM Cortex-M0+ processor with a sub-GHz RF transceiver for low-power wireless connectivity.
• Supports flexible modulation schemes including GFSK, 4GFSK, MSK, and OOK for proprietary application compatibility.
• Provides comprehensive analog peripherals including a high-speed 12-bit ADC and on-chip temperature sensor.
• Offers extensive digital connectivity via USART, I²C, and USB interfaces within a compact surface-mount package.

RF Transceiver ICS Applications

• Proprietary wireless sensor networks
• Remote control and key fob devices
• Smart metering infrastructure
• Industrial monitoring systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix C0 against the official datasheet to confirm package variant and temperature grade accuracy. Confirm end-of-life status with the manufacturer prior to design-in, as availability may be restricted. Ensure supply chain partners provide valid traceability documentation for this discontinued component series.

RF Transceiver ICS Selection Notes

Select this model when a pin-compatible upgrade from 32 kB to 64 kB flash is not required but USB interface support is essential. Compare against the HG320F64 variant if additional program storage is needed. Evaluate the LG series if higher processing performance or different RF power levels are necessary for the target application.

RF Transceiver ICS Part Context

This component belongs to the EZR32HG family, designed for cost-sensitive, battery-powered wireless applications. It shares architectural similarities with other Gecko MCUs but distinguishes itself through the integration of the EZRadioPRO transceiver and USB capability, targeting markets requiring reliable sub-GHz communication without complex protocol stacks.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers: EZR32HG320F64R61G-B0 (higher flash capacity, same RF profile). Verify pinout compatibility before substitution. No direct drop-in replacement exists for identical specifications due to production status.