EFR32MG1B732F256IM32-C0R

Overview

The EFR32MG1B732F256IM32-C0R is a Mighty Gecko System-on-Chip integrating an ARM Cortex-M4 processor with a 2.4 GHz RF transceiver. It features 256 kB of flash memory and 32 kB of RAM. The device supports IEEE 802.15.4 and Zigbee protocols at a maximum data rate of 250 kbps. It operates within a supply voltage range of 1.85 V to 3.8 V and includes serial interfaces such as I2C, SPI, and UART. The component is housed in a 32-VFQFN package with an exposed pad.

Feature Summary

• Integrates an ARM Cortex-M4 core with a high-performance 2.4 GHz radio transceiver for efficient wireless processing.
• Supports standard IoT mesh networking protocols including IEEE 802.15.4 and Zigbee for robust connectivity.
• Provides multiple serial communication interfaces to facilitate integration with peripheral sensors and host systems.

Applications

• Zigbee end devices and routers
• IEEE 802.15.4 sensor nodes
• Smart home automation controllers

Procurement Notes

Verify the specific suffix 'IM32' against official Silicon Labs documentation to confirm the operating temperature range and package variant. Confirm RoHS compliance status through the manufacturer's current datasheet. Ensure design-in compatibility with existing firmware libraries for the Mighty Gecko series before procurement.

Selection Notes

Select this model when a balance of moderate flash capacity and integrated MCU is required for 2.4 GHz applications. Compare against variants with different temperature ratings or package sizes if environmental constraints exist. Verify that the 256 kB memory allocation meets application code requirements.

Part Context

This component belongs to the Silicon Labs EFR32MG1 Mighty Gecko family. These SoCs are designed for low-power wireless IoT applications. The MG1 series provides a scalable platform for various protocol stacks. This specific part number denotes the 2.4 GHz variant with defined memory and package specifications.

Replacement Considerations

Consult the official Silicon Labs EFR32MG1 product selector guide for verified pin-to-pin or functional substitutes. Cross-reference part numbers based on identical memory size, package type, and temperature rating. Do not assume compatibility without verifying electrical parameters in the latest datasheets.

FAQ

What is the maximum output power of this transceiver?

The datasheet specifies a maximum output power of 19.5 dBm.

Does this chip support the Zigbee protocol?

Yes, the EFR32MG1B732F256IM32-C0R natively supports the Zigbee protocol stack alongside IEEE 802.15.4.