8051 - ★生活 學習 成長★資策會數位教育研究所
to use the training board(AT89C51 ED2 ) 4-6頁 LED controlled by low voltage LED低電位驅動電路接法 (LED高電位驅動 ... of the 8051 IC. In minimum-component designs, it is used as a general purpose I/O port. For larger designs with external ......