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| PartNumber | EFM32JG1B200F128GM48-B0R | EFM32JG1B200F128GM48-C0 | EFM32JG1B200F128GM48-B0 |
| Description | ARM Microcontrollers - MCU Jade M3 QFN48 DCDC 128kB(Flash) 32kB(RAM) 32IO Note: This rev (B0) is Engineering Samples only | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU | IC MCU 32BIT 128KB FLASH 48QFN |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | - |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-48 | QFN-48 | - |
| Series | EFM32JG | EFM32JG | - |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 40 MHz | 40 MHz | - |
| Program Memory Size | 128 kB | 128 kB | - |
| Data RAM Size | 32 kB | 32 kB | - |
| ADC Resolution | 12 bit | 12 bit | - |
| Number of I/Os | 32 I/O | 32 I/O | - |
| Operating Supply Voltage | 1.85 V to 3.8 V | 3.3 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | - | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | Silicon Labs | Silicon Labs | - |
| Data RAM Type | SRAM | RAM | - |
| Interface Type | I2C, SPI, UART | I2C, UART, USART | - |
| Analog Supply Voltage | 1.85 V to 3.8 V | - | - |
| I/O Voltage | 3.3 V | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 2 x 16 bit | 2 x 16 bit | - |
| Processor Series | EFM32JG1 | EFM32JG1 | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 2500 | 260 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.8 V | 3.8 V | - |
| Supply Voltage Min | 1.85 V | 1.85 V | - |
| Tradename | EFM32 | EFM32 | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |