 |  | | |
| PartNumber | EFM32G840F128-QFN64 | EFM32G840F128 | EFM32G840F128-QFN64T |
| Description | ARM Microcontrollers - MCU 128k Flash, 16k RAM, 4x24 LCD, AES | Microcontrollers - MCU ARM Microcontrollers - MCU 128k Flash 16k RAM 4x24 LCD AES | |
| Manufacturer | Silicon Laboratories | - | Silicon Labs |
| Product Category | ARM Microcontrollers - MCU | - | Embedded - Microcontrollers |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | QFN-64 | - | - |
| Series | EFM32G | - | Gecko |
| Core | ARM Cortex M3 | - | - |
| Data Bus Width | 32 bit | - | - |
| Maximum Clock Frequency | 32 MHz | - | - |
| Program Memory Size | 128 kB | - | 128KB (128K x 8) |
| Data RAM Size | 16 kB | - | - |
| Number of I/Os | 56 I/O | - | - |
| Operating Supply Voltage | 3 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | - | Tray Alternate Packaging |
| Program Memory Type | Flash | - | FLASH |
| Brand | Silicon Labs | - | - |
| Data RAM Type | RAM | - | - |
| Interface Type | I2C, UART | - | - |
| I/O Voltage | 3 V | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | EFM32G840 | - | - |
| Product Type | ARM Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 3.8 V | - | - |
| Supply Voltage Min | 1.98 V | - | - |
| Tradename | EFM32 | - | EFM32 |
| Part # Aliases | EFM32G840F128 | - | - |
| Unit Weight | 0.007277 oz | - | - |
| Package Case | - | - | 64-VFQFN Exposed Pad |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 64-QFN (9x9) |
| Number of I O | - | - | 56 |
| Speed | - | - | 32MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ARMR CortexR-M3 |
| RAM Size | - | - | 16K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, LCD, 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 |