| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                Silicon Labs | 
                                            
                                                                                    
                                                | Series | 
                                                Giant Gecko S1 | 
                                            
                                                                                    
                                                | Package | 
                                                Tape & Reel (TR) | 
                                            
                                                                                    
                                                | Product Status | 
                                                Active | 
                                            
                                                                                    
                                                | Core Processor | 
                                                ARM® Cortex®-M4 | 
                                            
                                                                                    
                                                | Core Size | 
                                                32-Bit Single-Core | 
                                            
                                                                                    
                                                | Speed | 
                                                72MHz | 
                                            
                                                                                    
                                                | Connectivity | 
                                                CANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD/SDIO, PDM, QSPI, SmartCard, SPI, UART/USART, USB | 
                                            
                                                                                    
                                                | Peripherals | 
                                                Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | 
                                            
                                                                                    
                                                | Number of I/O | 
                                                51 | 
                                            
                                                                                    
                                                | Program Memory Size | 
                                                1MB (1M x 8) | 
                                            
                                                                                    
                                                | Program Memory Type | 
                                                FLASH | 
                                            
                                                                                    
                                                | EEPROM Size | 
                                                - | 
                                            
                                                                                    
                                                | RAM Size | 
                                                192K x 8 | 
                                            
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 
                                                1.8V ~ 3.8V | 
                                            
                                                                                    
                                                | Data Converters | 
                                                A/D 16x12b SAR; D/A 2x12b | 
                                            
                                                                                    
                                                | Oscillator Type | 
                                                Internal | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -40°C ~ 85°C (TA) | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Surface Mount | 
                                            
                                                                                    
                                                | Package / Case | 
                                                64-VFQFN Exposed Pad | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                64-QFN (9x9) | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                EFM32GG12 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                ROHS3 Compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                2  (1 Year) | 
                                            
                                                                                    
                                                | ECCN | 
                                                5A992C | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.31.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                1,000 | 
                                            
                                                                                                                
                                
                             
                                                ARM® Cortex®-M4 Giant Gecko S1 Microcontroller IC 32-Bit Single-Core 72MHz 1MB (1M x 8) FLASH 64-QFN (9x9)