| PartNumber | EFM32JG12B500F1024IM48-C | EFM32JG12B500F1024IL125-C | EFM32JG12B500F1024IL125-CR |
| Description | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-48 | BGA-125 | BGA-125 |
| Series | EFM32JG12 | EFM32JG12 | EFM32JG12 |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 40 MHz | 40 MHz | 40 MHz |
| Program Memory Size | 1024 kB | 1024 kB | 1024 kB |
| Data RAM Size | 256 kB | 256 kB | 256 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 33 I/O | 65 I/O | 65 I/O |
| Operating Supply Voltage | 1.8 V to 3.8 V | 1.8 V to 3.8 V | 1.8 V to 3.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | RAM | RAM | RAM |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 260 | 260 | 2500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.8 V | 3.8 V | 3.8 V |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Tradename | EFM32 | EFM32 | EFM32 |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Analog Supply Voltage | - | 3.3 V | 3.3 V |
| Packaging | - | - | Reel |