EFR32MG1B232F256IM48-C0

Overview

The EFR32MG1B232F256IM48-C0 is a wireless System-on-Chip (SoC) from Silicon Labs' Gecko Series 1 family, designed for Zigbee and Thread applications. It integrates an 8052-compatible CPU core operating at up to 39 MHz with 256 kB of flash memory and 32 kB of RAM. The device features a high-performance radio supporting IEEE 802.15.4 standards on the 2.4 GHz band. Key electrical characteristics include a supply voltage range of 1.9 V to 3.6 V and multiple GPIOs for peripheral connectivity.

Feature Summary

• Integrated 8052-compatible processor core optimized for low-power mesh networking protocols
• High-sensitivity radio transceiver compliant with IEEE 802.15.4 standards for reliable wireless communication
• Comprehensive set of digital and analog peripherals including UART, SPI, I2C, and ADC channels

Applications

• Zigbee smart home lighting and sensor nodes
• Thread-based home automation devices
• Industrial IoT monitoring equipment requiring mesh network capabilities

Procurement Notes

Verify the specific ordering suffix IM48 corresponds to the QFN-48 package variant when sourcing components. Confirm that the C0 temperature grade aligns with your operational environment requirements. Ensure compatibility with existing PCB footprints and design files provided by the manufacturer before finalizing procurement orders.

Selection Notes

Choose this component when a balance of moderate processing power and integrated wireless connectivity is required for mesh networks. It is suitable for applications needing efficient power management alongside sufficient memory for complex protocol stacks. Evaluate pin count and peripheral availability against system interface requirements prior to selection.

Part Context

This model belongs to the EFR32MG1B series within the Gecko Series 1 portfolio. It shares architectural similarities with other MG1B variants but differs in memory size and package configuration. The series targets cost-sensitive wireless IoT deployments requiring certified compliance with major mesh networking standards.

Replacement Considerations

Direct substitutes may include other EFR32MG1B variants with matching memory sizes or alternative packages. Cross-referencing pinouts and register compatibility is essential when considering alternate part numbers within the same product family.