Search - 8255 keyboa

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[SCM] 8255 DL : 0: 8255扫描键盘、显示程序利用8255可编程并行口做一个扫描键盘实验，把按键输入的键码，显示在由8279控制的七段数码管上。 8255PA口做键盘输入线，PB口作扫描线。-8255 scanning keyboard, display program using 8255 as a parallel port programmable keyboard scan experiment, the button input keys code, displayed in the control of the team respectively by 8279 digital tube. 8255PA I do keyboard input line, PB mouth for scan line.
Update : 2025-02-17 Size : 1kb Publisher : zhuzhijing