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EFR32MG1B231F256GM32-C0
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Product Detailed Parameters
- Description：IC RF TXRX+MCU 802.15.4 32QFN
- Series：Mighty Gecko
- Mfr：Silicon Labs
- Package：Tray
- Type：TxRx + MCU
- RF Family/Standard：802.15.4
- Protocol：Zigbee®
- Modulation：2-FSK, 4-FSK, 2-GFSK, 4-GFSK, ASK, BPSK, DBPSK, DSSS, GFSK, GMSK, MSK, OOK, O-QPSK
- Frequency：2.4GHz ~ 2.4835GHz
- Data Rate (Max)：2Mbps
- Power - Output：19dBm
- Sensitivity：-126.4dBm
- Memory Size：256kB Flash, 32kB RAM
- Serial Interfaces：I2C, I2S, SPI, IrDA, UART, USART
- Voltage - Supply：1.85V ~ 3.8V
- Current - Receiving：7.6mA ~ 9.8mA
- Current - Transmitting：8.2mA ~ 126.7mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-VFQFN Exposed Pad
- Supplier Device Package：32-QFN (5x5)
- GPIO：-
- Grade：-
- Qualification：-
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Overview
The EFR32MG1B231F256GM32-C0 is a Mighty Gecko System-on-Chip featuring an ARM Cortex-M4 core operating at 2.4 GHz. It integrates 256 kB of flash memory and 32 kB of RAM within a 32-VFQFN package. The device supports Zigbee and 802.15.4 protocols with a maximum data rate of 1 Mbps. Key RF specifications include a transmit power of 19.5 dBm, receiver sensitivity of -94 dBm, and supply voltage range of 1.85V to 3.8V.
Feature Summary
- Integrates ARM Cortex-M4 processor with substantial on-chip memory for complex protocol stacks
- Supports Zigbee and 802.15.4 wireless standards for mesh networking
- Delivers high RF output power and sensitivity for reliable long-range communication
Applications
- Zigbee home automation devices
- Smart lighting controls
- Wireless sensor networks
- Industrial IoT gateways
Procurement Notes
Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm the specific suffix matches project requirements. Note that this part number may be subject to lifecycle changes; consult official documentation for current availability status before finalizing procurement plans.
Selection Notes
Select this model when Zigbee compatibility and high output power are required. Ensure the 2.4 GHz frequency aligns with regional regulatory constraints. Compare against other MG1 variants if different memory sizes or pin configurations are needed for the target PCB layout.
Part Context
This component belongs to the Silicon Labs Mighty Gecko family, designed for low-power wireless applications. It shares architectural similarities with other MG1 series chips but is distinguished by its specific memory configuration and RF performance characteristics tailored for robust mesh network implementations.
Replacement Considerations
Consider EFR32MG1B232F256GM32-C0R as a potential alternative. Verify pinout and register compatibility before substitution. Check for any differences in RF calibration or firmware support between the B231 and B232 variants.
