| Category | Integrated Circuits (ICs) |
| Connectivity | I?C, IrDA, LINbus, SmartCard, SPI, UART/USART |
| Core Processor | ARM? Cortex?-M4 |
| Core Size | 32-Bit Single-Core |
| Data Converters | A/D - 12b SAR |
| EEPROM Size | - |
| Mfr | Silicon Labs |
| Mounting Type | Surface Mount |
| Number of I/O | 33 |
| Operating Temperature | -40?C ~ 125?C (TJ) |
| Oscillator Type | Internal |
| Package | Tray |
| Package / Case | 48-VFQFN Exposed Pad |
| Peripherals | Brown-out Detect/Reset, DMA, I?S, POR, PWM, WDT |
| Product Status | Discontinued at Digi-Key |
| Program Memory Size | 1MB (1M x 8) |
| Program Memory Type | FLASH |
| RAM Size | 256K x 8 |
| Series | Pearl Gecko |
| Speed | 40MHz |
| Supplier Device Package | 48-QFN (7x7) |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.8V |