| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            Microchip Technology | 
                                        
                                                                            
                                            | Series | 
                                            AVR® XMEGA® A4U | 
                                        
                                                                            
                                            | Package | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Product Status | 
                                            Active | 
                                        
                                                                            
                                            | Core Processor | 
                                            AVR | 
                                        
                                                                            
                                            | Core Size | 
                                            8/16-Bit | 
                                        
                                                                            
                                            | Speed | 
                                            32MHz | 
                                        
                                                                            
                                            | Connectivity | 
                                            I²C, IrDA, SPI, UART/USART, USB | 
                                        
                                                                            
                                            | Peripherals | 
                                            Brown-out Detect/Reset, DMA, POR, PWM, WDT | 
                                        
                                                                            
                                            | Number of I/O | 
                                            34 | 
                                        
                                                                            
                                            | Program Memory Size | 
                                            128KB (64K x 16) | 
                                        
                                                                            
                                            | Program Memory Type | 
                                            FLASH | 
                                        
                                                                            
                                            | EEPROM Size | 
                                            2K x 8 | 
                                        
                                                                            
                                            | RAM Size | 
                                            8K x 8 | 
                                        
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 
                                            1.6V ~ 3.6V | 
                                        
                                                                            
                                            | Data Converters | 
                                            A/D 12x12b; D/A 2x12b | 
                                        
                                                                            
                                            | Oscillator Type | 
                                            Internal | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C ~ 105°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            44-VFQFN Exposed Pad | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            44-VQFN (7x7) | 
                                        
                                                                            
                                            | Base Product Number | 
                                            ATXMEGA128 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3  (168 Hours) | 
                                        
                                                                            
                                            | REACH Status | 
                                            REACH Unaffected | 
                                        
                                                                            
                                            | ECCN | 
                                            5A992C | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.31.0001 | 
                                        
                                                                            
                                            | Standard Package | 
                                            2,000 | 
                                        
                                                                                                    
                            
                         
                                                AVR AVR® XMEGA® A4U Microcontroller IC 8/16-Bit 32MHz 128KB (64K x 16) FLASH 44-VQFN (7x7)