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| PartNumber | EFM32LG280F128G-E-QFP100R | EFM32LG280F128G-E-QFP10 | EFM32LG280F128G-E-QFP100 |
| Description | ARM Microcontrollers - MCU 128k Flash, 32k RAM, AES | Microcontrollers - MCU ARM Microcontrollers - MCU 128k Flash 32k RAM AES | |
| Manufacturer | Silicon Laboratories | - | Silicon Labs |
| Product Category | ARM Microcontrollers - MCU | - | Embedded - Microcontrollers |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | LQFP-100 | - | - |
| Series | EFM32LG | - | Leopard Gecko |
| 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 | - | 128KB (128K x 8) |
| Data RAM Size | 32 kB | - | 32 kB |
| ADC Resolution | 12 bit | - | 12 bit |
| Number of I/Os | 85 I/O | - | - |
| Operating Supply Voltage | 2 V to 3.8 V | - | 2 V to 3.8 V |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Packaging | Reel | - | Tray Alternate Packaging |
| Product | MCU | - | MCU |
| Program Memory Type | Flash | - | FLASH |
| Brand | Silicon Labs | - | - |
| Data RAM Type | RAM | - | RAM |
| Data ROM Size | 128 kB | - | 128 kB |
| Data ROM Type | Flash | - | Flash |
| Interface Type | I2C, SPI, UART, USB | - | I2C SPI UART USB |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 5 Timer | - | - |
| Processor Series | EFM32 | - | EFM32 |
| Product Type | ARM Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Tradename | EFM32 | - | EFM32 |
| Unit Weight | 0.046530 oz | - | 0.046530 oz |
| Package Case | - | - | LQFP-100 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 100-LQFP (14x14) |
| Number of I O | - | - | 86 |
| Speed | - | - | 48MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ARMR CortexR-M3 |
| RAM Size | - | - | 32K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | - | - | EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 1.85 V ~ 3.8 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 8x12b, D/A 2x12b |
| Oscillator Type | - | - | Internal |
| Part # Aliases | - | - | EFM32LG280F128G-E-QFP100 |
| Number of I Os | - | - | 85 I/O |
| Number of Timers Counters | - | - | 5 Timer |