| Category | Integrated Circuits (ICs) |
| Connectivity | CANbus, EBI/EMI, I?C, IrDA, LINbus, SmartCard, SPI, UART/USART |
| Core Processor | ARM? Cortex?-M4 |
| Core Size | 32-Bit Single-Core |
| Data Converters | A/D 16x12b SAR; D/A 2x12b |
| EEPROM Size | - |
| Mfr | Silicon Labs |
| Mounting Type | Surface Mount |
| Number of I/O | 53 |
| Operating Temperature | -40?C ~ 125?C (TA) |
| Oscillator Type | Internal |
| Package | Tray |
| Package / Case | 64-TQFP |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Product Status | Obsolete |
| Program Memory Size | 2MB (2M x 8) |
| Program Memory Type | FLASH |
| RAM Size | 512K x 8 |
| Series | Giant Gecko S1 |
| Speed | 72MHz |
| Supplier Device Package | 64-TQFP (10x10) |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.8V |