【摘要】 从编码键盘结构的特点和液晶显示器工作原理出发,着重介绍了以8031单片机为核心,以8155为I/O接口扩展芯片的智能仪表键盘和显示器的设计技术,较详细地介绍了设计中所采用的软、硬件设计技巧.更多还原

【Abstract】 Based on the structural features of encoding keyboard and the operational principle of liquid crystal display unit, the design technology of the keyboard and display unit of intelligent instrument with 8031 single chip computer as the kernel and 8155 as the I/O interface extending chip is emphasized. The designing skills in the design of hardware and software are introduced in detail.更多还原