| PartNumber | EFR32FG1P131F128GM32-C0 | EFR32FG1P131F128GM48-C0 | EFR32FG1P131F128GM32-C0R |
| Description | RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 128 kB flash 32 kB RAM 16 GPIO | RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 128 kB flash 32 kB RAM 31 GPIO | RF System on a Chip - SoC Flex Gecko SoC QFN32 Sub-GHz 128 kB flash 32 kB RAM 16 GPIO |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | RF System on a Chip - SoC | RF System on a Chip - SoC | RF System on a Chip - SoC |
| RoHS | Y | Y | Y |
| Type | Bluetooth | Bluetooth | Bluetooth |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Operating Frequency | Sub-GHz | Sub-GHz | - |
| Maximum Data Rate | 2 Mb/s | 2 Mb/s | 2 Mb/s |
| Output Power | 19.5 dBm | 19.5 dBm | 19.5 dBm |
| Sensitivity | - 89.2 dBm, - 92.5 dBm | - 89.2 dBm, - 92.5 dBm | - 89.2 dBm, - 92.5 dBm |
| Operating Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| Supply Current Receiving | 9.8 mA | 9.8 mA | 9.8 mA |
| Supply Current Transmitting | 8.2 mA | 8.2 mA | 8.2 mA |
| Program Memory Size | 128 kB | 128 kB | 128 kB |
| Operating Temperature Range | - 40 C to + 85 C | - | - |
| Package / Case | QFN-32 | QFN-48 | QFN-32 |
| Height | 0.85 mm | 0.85 mm | 0.85 mm |
| Length | 5 mm | 7 mm | 5 mm |
| Program Memory Type | Flash | Flash | Flash |
| Series | EFR32FG1 | EFR32FG1 | EFR32FG1 |
| Width | 5 mm | 7 mm | 5 mm |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Size | 32 kB | 32 kB | 32 kB |
| Data RAM Type | RAM | RAM | RAM |
| Interface Type | I2C, I2S, SMBus, SPI, UART | I2C, I2S, SMBus, SPI, UART | I2C, I2S, SMBus, SPI, UART |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Number of I/Os | 16 I/O | 32 I/O | 16 I/O |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 40 MHz | 40 MHz | 40 MHz |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers | 2 Timer | 2 Timer | 2 x 16 bit |
| Processor Series | EFR32FG1 | EFR32FG1 | EFR32FG1 |
| Product Type | RF System on a Chip - SoC | RF System on a Chip - SoC | RF System on a Chip - SoC |
| Factory Pack Quantity | 490 | 260 | 2500 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Tradename | EFR32 | EFR32 | EFR32 |