| Parameters | 
                                                                                                                        
                                                | Mfr | Atmel | 
                                                                                    
                                                | Series | AVR® XMEGA® A4U | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | 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 | -40°C ~ 85°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 44-TQFP | 
                                                                                    
                                                | Supplier Device Package | 44-TQFP (10x10) | 
                                                                                    
                                                | Base Product Number | ATXMEGA128 | 
                                                                                    
                                                | HTSUS | 0000.00.0000 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                                                
                                
                             
                                                AVR AVR® XMEGA® A4U Microcontroller IC 8/16-Bit 32MHz 128KB (64K x 16) FLASH 44-TQFP (10x10)