The control core of the hardware platform is a single chip micyoco mcs - 51 , and a time - sharing bus is used to switch the test point in analog experiment and to control the input and output of the digital experiment 本文所討論的硬件平臺的控制核心由mcs - 51單片機擔任,用分時總線控制模擬實驗測試點的切換和數(shù)字實驗的輸入輸出。