| Parameters | 
                                                                                                                        
                                                | Mfr | Atmel | 
                                                                                    
                                                | Series | SAM3S | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Core Processor | ARM® Cortex®-M3 | 
                                                                                    
                                                | Core Size | 32-Bit Single-Core | 
                                                                                    
                                                | Speed | 64MHz | 
                                                                                    
                                                | Connectivity | I²C, MMC, SPI, SSC, UART/USART, USB | 
                                                                                    
                                                | Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | 
                                                                                    
                                                | Number of I/O | 34 | 
                                                                                    
                                                | Program Memory Size | 256KB (256K x 8) | 
                                                                                    
                                                | Program Memory Type | FLASH | 
                                                                                    
                                                | EEPROM Size | - | 
                                                                                    
                                                | RAM Size | 48K x 8 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V | 
                                                                                    
                                                | Data Converters | A/D 8x10/12b | 
                                                                                    
                                                | Oscillator Type | Internal | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 48-LQFP | 
                                                                                    
                                                | Supplier Device Package | 48-LQFP (7x7) | 
                                                                                    
                                                | Base Product Number | ATSAM3S | 
                                                                                    
                                                | ECCN | 3A991A2 | 
                                                                                    
                                                | HTSUS | 8542.31.0001 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                                                
                                
                             
                                                ARM® Cortex®-M3 SAM3S Microcontroller IC 32-Bit Single-Core 64MHz 256KB (256K x 8) FLASH 48-LQFP (7x7)