| PartNumber | EFM32HG310F32G-B-QFN32 | EFM32HG310F32N-B-QFN32 | EFM32HG310F32G-B-QFN32R |
| Description | ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 32 kB USB MCU | ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 32 kB USB MCU | ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 32 kB USB MCU |
| Manufacturer | Silicon Laboratories | Microchip | Silicon Laboratories |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | - | Y |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | QFN-32 | VQFN-48 | QFN-32 |
| Series | EFM32HG | SAM4S | EFM32HG |
| Core | ARM Cortex M0+ | - | ARM Cortex M0+ |
| Data Bus Width | 32 bit | - | 32 bit |
| Maximum Clock Frequency | 25 MHz | - | 25 MHz |
| Program Memory Size | 32 kB | - | 32 kB |
| Data RAM Size | 8 kB | - | 8 kB |
| ADC Resolution | 12 bit | - | 12 bit |
| Number of I/Os | 22 I/O | - | 22 I/O |
| Operating Supply Voltage | 1.98 V to 3.8 V | - | 1.98 V to 3.8 V |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Product | MCU | - | MCU |
| Program Memory Type | Flash | - | Flash |
| Brand | Silicon Labs | Microchip Technology | Silicon Labs |
| Data RAM Type | SRAM | - | SRAM |
| Interface Type | I2C, SPI, UART | - | I2C, SPI, UART |
| Analog Supply Voltage | 1.98 V to 3.8 V | - | 1.98 V to 3.8 V |
| I/O Voltage | 3.3 V | - | 3.3 V |
| Moisture Sensitive | Yes | - | Yes |
| Number of Timers/Counters | 3 x 16 bit | 6 x 16 bit | 3 x 16 bit |
| Processor Series | EFM32HG310 | - | EFM32HG310 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 260 | 1000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.8 V | - | 3.8 V |
| Supply Voltage Min | 1.98 V | - | 1.98 V |
| Tradename | EFM32 | - | EFM32 |
| Watchdog Timers | Watchdog Timer | - | Watchdog Timer |
| Packaging | - | Tray | Reel |