| Parameters | 
                                    
                                                                                                            
                                        | Mfr | 
                                        Atmel | 
                                    
                                                                        
                                        | Series | 
                                        SAM7S | 
                                    
                                                                        
                                        | Package | 
                                        Bulk | 
                                    
                                                                        
                                        | Product Status | 
                                        Active | 
                                    
                                                                        
                                        | Core Processor | 
                                        ARM7® | 
                                    
                                                                        
                                        | Core Size | 
                                        16/32-Bit | 
                                    
                                                                        
                                        | Speed | 
                                        55MHz | 
                                    
                                                                        
                                        | Connectivity | 
                                        I²C, SPI, SSC, UART/USART, USB | 
                                    
                                                                        
                                        | Peripherals | 
                                        Brown-out Detect/Reset, DMA, POR, PWM, WDT | 
                                    
                                                                        
                                        | Number of I/O | 
                                        32 | 
                                    
                                                                        
                                        | Program Memory Size | 
                                        256KB (256K x 8) | 
                                    
                                                                        
                                        | Program Memory Type | 
                                        FLASH | 
                                    
                                                                        
                                        | EEPROM Size | 
                                        - | 
                                    
                                                                        
                                        | RAM Size | 
                                        64K x 8 | 
                                    
                                                                        
                                        | Voltage - Supply (Vcc/Vdd) | 
                                        1.65V ~ 1.95V | 
                                    
                                                                        
                                        | Data Converters | 
                                        A/D 8x10b | 
                                    
                                                                        
                                        | Oscillator Type | 
                                        Internal | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        -40°C ~ 85°C (TA) | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Surface Mount | 
                                    
                                                                        
                                        | Package / Case | 
                                        64-LQFP | 
                                    
                                                                        
                                        | Supplier Device Package | 
                                        64-LQFP (10x10) | 
                                    
                                                                        
                                        | Base Product Number | 
                                        AT91SAM7S256 | 
                                    
                                                                        
                                        | RoHS Status | 
                                        ROHS3 Compliant | 
                                    
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 
                                        3  (168 Hours) | 
                                    
                                                                        
                                        | REACH Status | 
                                        Vendor Undefined | 
                                    
                                                                        
                                        | ECCN | 
                                        3A991A2 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8542.31.0001 | 
                                    
                                                                        
                                        | Standard Package | 
                                        1 | 
                                    
                                                                                                        
                            
                         
                                                ARM7® SAM7S Microcontroller IC 16/32-Bit 55MHz 256KB (256K x 8) FLASH 64-LQFP (10x10)