文件名称:Dot-Matrix-LED
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编写程序，通过8255 单元控制点阵的扫描显示，使8×8LED 点阵到小循环显示号
“□”-Programming, through the 8255 unit control the scanning dot matrix display, the 8 × 8LED dot matrix display number to small cycles " □"
“□”-Programming, through the 8255 unit control the scanning dot matrix display, the 8 × 8LED dot matrix display number to small cycles " □"
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Dot Matrix LED.doc