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| PartNumber | EFM32JG1B200F256IM48-C0 | EFM32JG1B200F256IM32-C0 | EFM32JG1B200F256IM32-C0R |
| Description | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 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 | QFN-32 | QFN-32 |
| Series | EFM32JG | EFM32JG | EFM32JG |
| 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 | 256 kB | 256 kB | 256 kB |
| Data RAM Size | 32 kB | 32 kB | 32 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 32 I/O | 20 I/O | 20 I/O |
| Operating Supply Voltage | 1.85 V to 3.8 V | 1.85 V to 3.8 V | 1.85 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, UART, USART | I2C, UART, USART | I2C, UART, USART |
| Number of Timers/Counters | 2 x 16 bit | 2 x 16 bit | 2 x 16 bit |
| Processor Series | EFM32 | EFM32 | EFM32 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 260 | 490 | 2500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.8 V | 3.8 V | 3.8 V |
| Supply Voltage Min | 1.85 V | 1.85 V | 1.85 V |
| Tradename | EFM32 | EFM32 | EFM32 |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |