| 参数 | 
               数值 | 
            
                          
                 | 系列 | 
                 89C | 
              
                          
                 | 核心处理器 | 
                 8051 | 
              
                          
                 | 芯体尺寸 | 
                 8-Bit | 
              
                          
                 | 速度 | 
                 24MHz | 
              
                          
                 | RAM容量 | 
                 128 x 8 | 
              
                          
                 | 程序存储器类型 | 
                 FLASH | 
              
                          
                 | 程序存储器容量 | 
                 4KB (4K x 8) | 
              
                          
                 | 输入/输出数 | 
                 15 | 
              
                          
                 | 振荡器型 | 
                 Internal | 
              
                          
                 | 连通性 | 
                 UART/USART | 
              
                          
                 | 工作电压 | 
                 4 V ~ 6 V | 
              
                          
                 | 工作温度 | 
                 0°C ~ 70°C | 
              
                          
                 | 周边设备 | 
                 Brown-out Detect/Reset, LED, POR | 
              
              
           
        
         
       
                         
           
              
                       A low-voltage, high-performance CMOS 8-bit microcontroller with 4KB of flash programmable and erasable read-only memory (PEROM). The device uses Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set.   This versatile 8-bit CPU with flash provides a highly-flexible and cost-effective solution for many embedded control applications.