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| PartNumber | EFR32FG1P131F256IM48-C0 | EFR32FG1P131F256IM32-C0 | EFR32FG1P131F256IM32-C0R |
| Description | RF System on a Chip - SoC Flex Gecko SoC QFN48 sub-GHz 20 dBm proprietary 256 kB +125C SoC | RF System on a Chip - SoC Flex Gecko SoC QFN32 sub-GHz 20 dBm proprietary 256 kB +125C SoC | RF System on a Chip - SoC Flex Gecko SoC QFN32 sub-GHz 20 dBm proprietary 256 kB +125C SoC |
| 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 | Wi-Fi | Wi-Fi | Wi-Fi |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Operating Frequency | Sub-GHz | Sub-GHz | Sub-GHz |
| Maximum Data Rate | 1 Mb/s | 1 Mb/s | 1 Mb/s |
| Output Power | 20 dBm | 20 dBm | 20 dBm |
| Sensitivity | - 111.9 dBm | - 111.9 dBm | - 111.9 dBm |
| Operating Supply Voltage | 1.85 V to 3.8 V | 1.85 V to 3.8 V | 1.85 V to 3.8 V |
| Supply Current Receiving | 7.6 mA | 7.6 mA | 7.6 mA |
| Supply Current Transmitting | 34.5 mA | 34.5 mA | 34.5 mA |
| Program Memory Size | 256 kB | 256 kB | 256 kB |
| Package / Case | QFN-48 | QFN-32 | QFN-32 |
| Height | 0.85 mm | 0.85 mm | 0.85 mm |
| Length | 7 mm | 5 mm | 5 mm |
| Program Memory Type | Flash | Flash | Flash |
| Series | EFR32FG1 | EFR32FG1 | EFR32FG1 |
| Width | 7 mm | 5 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, UART, USART | I2C, UART, USART | I2C, UART, USART |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Number of I/Os | 32 I/O | 16 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 | + 125 C | + 125 C | + 125 C |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Moisture Sensitive | Yes | - | - |
| Product Type | RF System on a Chip - SoC | RF System on a Chip - SoC | RF System on a Chip - SoC |
| Factory Pack Quantity | 260 | 490 | 2500 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Tradename | EFR32 | EFR32 | EFR32 |
| Part # Aliases | EFR32FG1P131F256IM48-C0 | EFR32FG1P131F256IM32-C0 | EFR32FG1P131F256IM32-C0R |
| Packaging | - | - | Reel |