The keyboard was connected to parallel interface chip 8255A, with the interruptive intercross structure.
采用中断二维直读键盘结构，与并行接口芯片8255A接口；
Also, UI Automation client products will not be able to anticipate the control structure, keyboard interaction, and possible control patterns based on the control type of the control.
此外，UI自动化用户端产品无法根据控制项的控制项型别来预测控制项结构、键盘互动和可能的控制项模式。
The invention relates to a mounting structure of a numerical control system keyboard. The structure mainly solves the present complex process and mounting of the numerical control system keyboard.
本发明涉及一种数控系统键盘的安装结构，主要解决目前数控系统键盘的加工、安装复杂的问题。
Keyboard Interface Experiment 1, to understand the structure of the IO port 2, familiar with the keyboard program principles 3, master the use of the keyboard.
键盘接口实验1、了解IO口的结构；2、熟悉键盘的程序原理；3、掌握键盘的使用。
Keyboard Interface Experiment 1, to understand the structure of the IO port 2, familiar with the keyboard program principles 3, master the use of the keyboard.
键盘接口实验1、了解IO口的结构；2、熟悉键盘的程序原理；3、掌握键盘的使用。
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