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| PartNumber | EFM32LG360F128G-E-CSP81 | EFM32LG360F128G-E-CSP81R | EFM32LG360F256G-E-CSP81 |
| Description | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 48 MHz 128 kB USB MCU | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 48 MHz 128 kB USB MCU | ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 48 MHz 256 kB USB 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 | CSP-81 | CSP-81 | CSP-81 |
| Series | EFM32LG | EFM32LG | EFM32LG |
| Core | ARM Cortex M3 | - | ARM Cortex M3 |
| Data Bus Width | 32 bit | - | 32 bit |
| Maximum Clock Frequency | 48 MHz | - | 48 MHz |
| Program Memory Size | 128 kB | - | 256 kB |
| Data RAM Size | 32 kB | - | 32 kB |
| ADC Resolution | 12 bit | - | 12 bit |
| Number of I/Os | 65 I/O | - | 65 I/O |
| Operating Supply Voltage | 3 V | - | 3 V |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Packaging | Cut Tape | Reel | Cut Tape |
| Program Memory Type | Flash | - | Flash |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | RAM | - | RAM |
| Interface Type | I2C, SPI, UART, USB | - | I2C, SPI, UART, USB |
| Number of ADC Channels | 1 | - | 1 |
| Number of Timers/Counters | 7 Timer | - | 7 Timer |
| Processor Series | EFM32L | - | EFM32L |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 100 | 2500 | 100 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | EFM32 | EFM32 | EFM32 |
| Moisture Sensitive | - | - | Yes |