| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            Silicon Labs | 
                                        
                                                                            
                                            | Series | 
                                            Leopard Gecko | 
                                        
                                                                            
                                            | Package | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Product Status | 
                                            Discontinued at Digi-Key | 
                                        
                                                                            
                                            | Core Processor | 
                                            ARM® Cortex®-M3 | 
                                        
                                                                            
                                            | Core Size | 
                                            32-Bit Single-Core | 
                                        
                                                                            
                                            | Speed | 
                                            48MHz | 
                                        
                                                                            
                                            | Connectivity | 
                                            EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART, USB | 
                                        
                                                                            
                                            | Peripherals | 
                                            Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT | 
                                        
                                                                            
                                            | Number of I/O | 
                                            87 | 
                                        
                                                                            
                                            | Program Memory Size | 
                                            128KB (128K x 8) | 
                                        
                                                                            
                                            | Program Memory Type | 
                                            FLASH | 
                                        
                                                                            
                                            | EEPROM Size | 
                                            - | 
                                        
                                                                            
                                            | RAM Size | 
                                            32K x 8 | 
                                        
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 
                                            1.98V ~ 3.8V | 
                                        
                                                                            
                                            | Data Converters | 
                                            A/D 8x12b; D/A 2x12b | 
                                        
                                                                            
                                            | Oscillator Type | 
                                            Internal | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C ~ 85°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            112-LFBGA | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            112-LFBGA (10x10) | 
                                        
                                                                            
                                            | Base Product Number | 
                                            EFM32LG990 | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3  (168 Hours) | 
                                        
                                                                            
                                            | ECCN | 
                                            5A992C | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.31.0001 | 
                                        
                                                                            
                                            | Standard Package | 
                                            1,000 | 
                                        
                                                                                                    
                            
                         
                                                ARM® Cortex®-M3 Leopard Gecko Microcontroller IC 32-Bit Single-Core 48MHz 128KB (128K x 8) FLASH 112-LFBGA (10x10)