8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB 3 V byte-erasable flash with 8-bit ADC8位微控制器,带有加速双时钟80C51核心2 KB / 4 KB / 8 KB 3 V字节可擦除闪存的8位ADC