基于CPLD的旋转编码器接口电路设计及应用  

Interface Circuit Design and Application of Rotary Encoder Based on CPLD

作　　者：朱海洋[1] 欧阳明星[1] 

机构地区：[1]广东松山职业技术学院电气工程系,广东韶关512126

出　　处：《机电工程技术》2009年第5期86-88,共3页Mechanical & Electrical Engineering Technology

摘　　要：介绍一种基于CPLD的高精度旋转编码器信号处理电路设计,电路简单,能与多种CPU接口。该设计包括四倍频、方向鉴别、双向计数器、与CPU接口等电路,给出了相关VHDL源代码、顶层连接图以及时序仿真结果,能应用于角度测量、位移测量、高度测量等,在控制领域也有广泛应用价值。This paper presents a design method of high-precision rotary encoder signal processing circuit based on CPLD .This circuit is simple and easily to interface with other CPU. It includes circuit of quadrant, direction of identification, tow-way counter, interface with CPU, etc. in this design. This article presents relevant VHDL source, figure of top-level connection and timing simulation results. It can be used in measurement area of angle, displacement, high degree, and have broad application in control field.

关 键 词：旋转编码器 CPLD VHDL 四倍频 

分 类 号：TM13[电气工程—电工理论与新技术]