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Design of grating displacement measure system based on CPLD and microchip
Pages: 81-83
Year: Issue:  11
Journal: Electronic Measurement Technology

Keyword:  光栅尺CPLD单片机位移测量;
Abstract: 提出一种基于CPLD和单片机的光栅位移测量系统的设计,采用CPLD对光栅尺输出信号进行处理,单片机读CPLD处理后的数据并在实时显示.硬件部分以AT89C52为控制核心,以CPLD芯片EPM7128SLC84-15实现光栅信号的细分、辨向和计数等.单片机软件部分主要包括3个部分:一是单片机通过LED显示接收到的数据;二是断电保持模块;三是数据通信模块,通过RS232串口与上位机通信.结果证明所设计...
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