| 参数 | 
               数值 | 
            
                          
                 | Timers | 
                 4 | 
              
                          
                 | ISP | 
                 UART/CAN | 
              
                          
                 | EEPROM (Bytes) | 
                 2048 | 
              
                          
                 | ADC channels | 
                 8 | 
              
                          
                 | CAN | 
                 1 | 
              
                          
                 | UART | 
                 1 | 
              
                          
                 | Max I/O Pins | 
                 34 | 
              
                          
                 | Operating Voltage (Vcc) | 
                 3.0 to 5.5 | 
              
                          
                 | Watchdog | 
                 Yes | 
              
                          
                 | SRAM (Kbytes) | 
                 1.25 | 
              
                          
                 | ADC Speed (ksps) | 
                 62.5 | 
              
                          
                 | CPU | 
                 8051-12C | 
              
                          
                 | Self Program Memory | 
                 API | 
              
                          
                 | Max. Operating Frequency | 
                 40 MHz | 
              
                          
                 | ADC Resolution (bits) | 
                 10 | 
              
                          
                 | Flash (Kbytes) | 
                 32 Kbytes | 
              
              
           
        
         
       
                         
           
              
                       
First member of the Atmel CANary™ family of 8-bit microcontrollers for CAN network applications. It provides 32KB of flash memory including ISP, 2KB of boot flash memory, 2KB of EEPROM, and 1.2KB of RAM. In X2 mode a maximum external clock rate of 20MHz reaches a 300ns cycle time. 
Special attention is paid to reducing its electro-magnetic emissions.
 
                   
                         
           
                                
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