8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB/16 kB 3 V byte-erasable Flash with 8-bit ADCs8位微控制器,带有加速双时钟80C51核心4 KB / 8 KB / 16 KB 3 V字节可擦除闪存8位ADC