| Parameters | 
                                                                                                                        
                                                | Mfr | Silicon Labs | 
                                                                                    
                                                | Series | Leopard Gecko | 
                                                                                    
                                                | Package | Tray | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Core Processor | ARM® Cortex®-M3 | 
                                                                                    
                                                | Core Size | 32-Bit Single-Core | 
                                                                                    
                                                | Speed | 48MHz | 
                                                                                    
                                                | Connectivity | I²C, IrDA, SmartCard, SPI, UART/USART | 
                                                                                    
                                                | Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | 
                                                                                    
                                                | Number of I/O | 53 | 
                                                                                    
                                                | Program Memory Size | 256KB (256K x 8) | 
                                                                                    
                                                | Program Memory Type | FLASH | 
                                                                                    
                                                | EEPROM Size | - | 
                                                                                    
                                                | RAM Size | 32K x 8 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 1.85V ~ 3.8V | 
                                                                                    
                                                | Data Converters | A/D 8x12b SAR; D/A 2x12b | 
                                                                                    
                                                | Oscillator Type | Internal | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 64-TQFP | 
                                                                                    
                                                | Supplier Device Package | 64-TQFP (10x10) | 
                                                                                    
                                                | Base Product Number | EFM32LG232 | 
                                                                                    
                                                | RoHS Status | RoHS Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | ECCN | 5A992C | 
                                                                                    
                                                | HTSUS | 8542.31.0001 | 
                                                                                    
                                                | Other Names | 336-EFM32LG232F256G-F-QFP64 | 
                                                                                    
                                                | Standard Package | 160 | 
                                                                                                                
                                
                             
                                                ARM® Cortex®-M3 Leopard Gecko Microcontroller IC 32-Bit Single-Core 48MHz 256KB (256K x 8) FLASH 64-TQFP (10x10)