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| PartNumber | EFM32G222F64G-E-QFP48 | EFM32G222F64-QFP48T | EFM32G222F64-QFP48 |
| Description | ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES | ARM Microcontrollers - MCU 64k Flash, 16k RAM, AES | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 32 MHz 64 kB AES MCU |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFP-48 | TQFP-48 | - |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 32 MHz | 32 MHz | - |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 16 kB | 16 kB | 16 kB |
| ADC Resolution | 12 bit | 12 bit | - |
| Operating Supply Voltage | 1.98 V to 3.8 V | 1.98 V to 3.8 V | 3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | Reel |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | RAM | SRAM | RAM |
| Interface Type | I2C, SPI, UART, USB | I2C, SPI, UART | I2C, SPI, UART |
| DAC Resolution | 1 x 12 bit | 12 bit | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 3 x 16 bit | 3 x 16 bit | 3 Timer |
| Processor Series | EFM32G | EFM32G222 | EFM32 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 250 | 250 | 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 | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Series | - | EFM32G | EFM32G |
| Number of I/Os | - | 37 I/O | - |
| Analog Supply Voltage | - | 1.98 V to 3.8 V | - |
| I/O Voltage | - | 3.3 V | - |
| Tradename | - | EFM32 | EFM32 |
| Part # Aliases | - | - | EFM32G222F64 |