| Parameters | 
                                                                                                                        
                                                | Mfr | Atmel | 
                                                                                    
                                                | Series | SAM7S | 
                                                                                    
                                                | Package | Tray | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Core Processor | ARM7® | 
                                                                                    
                                                | Core Size | 16/32-Bit | 
                                                                                    
                                                | Speed | 55MHz | 
                                                                                    
                                                | Connectivity | I²C, SPI, SSC, UART/USART | 
                                                                                    
                                                | Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 
                                                                                    
                                                | Number of I/O | 21 | 
                                                                                    
                                                | Program Memory Size | 32KB (32K x 8) | 
                                                                                    
                                                | Program Memory Type | FLASH | 
                                                                                    
                                                | EEPROM Size | - | 
                                                                                    
                                                | RAM Size | 8K 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 | 48-VFQFN Exposed Pad | 
                                                                                    
                                                | Supplier Device Package | 48-QFN (7x7) | 
                                                                                    
                                                | Base Product Number | AT91SAM7S32 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | ECCN | 3A991A2 | 
                                                                                    
                                                | HTSUS | 8542.31.0001 | 
                                                                                    
                                                | Standard Package | 260 | 
                                                                                                                
                                
                             
                                                ARM7® SAM7S Microcontroller IC 16/32-Bit 55MHz 32KB (32K x 8) FLASH 48-QFN (7x7)