| PartNumber | EFM32HG309F64G-B-QFN24 | EFM32HG309F64G-B-QFN24R | EFM32HG309F64N-B-QFN24 |
| Description | ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB USB MCU | ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB USB MCU | ARM Microcontrollers - MCU ARM Cortex-M0+ 32-bit 25 MHz 64 kB USB MCU |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-24 | QFN-24 | QFP-100 |
| Series | EFM32HG | EFM32HG | EFM32GG11 |
| Core | ARM Cortex M0+ | ARM Cortex M0+ | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 25 MHz | 25 MHz | 72 MHz |
| Program Memory Size | 64 kB | 64 kB | 1024 kB |
| Data RAM Size | 8 kB | 8 kB | 512 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 15 I/O | 15 I/O | 80 I/O |
| Operating Supply Voltage | 1.98 V to 3.8 V | 1.98 V to 3.8 V | 1.8 V to 3.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Product | MCU | MCU | MCU+FPU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | SRAM | SRAM | RAM |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | CAN, Ethernet, I2C, SDIO, SPI, UART, USART, USB |
| 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 | 3 x 16 bit | 7 x 16 bit, 4 x 32 bit |
| Processor Series | EFM32HG309 | EFM32HG309 | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 1000 | 90 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.8 V | 3.8 V | 3.8 V |
| Supply Voltage Min | 1.98 V | 1.98 V | 1.8 V |
| Tradename | EFM32 | EFM32 | EFM32 |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Packaging | - | Reel | Tray |
| DAC Resolution | - | - | 2 x 12 bit |