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；
2
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。
3
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.