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| PartNumber | EFM32JG12B500F1024IM48-C | EFM32JG12B500F1024IM48-B | EFM32JG12B500F1024IM48-BR |
| Description | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 1024 kB MCU | ARM Microcontrollers - MCU Jade M3 QFN48 I-grade 1024kB(Flash) 256kB(RAM) 33GPIO | IC MCU 32BIT 1MB FLASH 48QFN |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | - |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-48 | QFN-48 | - |
| Series | EFM32JG12 | EFM32JG12 | - |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 40 MHz | 40 MHz | - |
| Program Memory Size | 1024 kB | 1024 kB | - |
| Data RAM Size | 256 kB | 256 kB | - |
| ADC Resolution | 12 bit | 12 bit | - |
| Number of I/Os | 33 I/O | 33 I/O | - |
| Operating Supply Voltage | 1.8 V to 3.8 V | 1.8 V to 3.8 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | Silicon Labs | Silicon Labs | - |
| Data RAM Type | RAM | RAM | - |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 260 | 260 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.8 V | 3.8 V | - |
| Supply Voltage Min | 1.8 V | 1.8 V | - |
| Tradename | EFM32 | EFM32 | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| RoHS | - | Y | - |
| Moisture Sensitive | - | Yes | - |