摘要
采用EDA技术,以FPGA开发板为核心,配合AT89C51单片机和液晶显示实现等精度频率相位测量。设计中用FPGA完成各种时序逻辑控制、计数功能。在Quartus软件平台上,用Verilog语言编程及原理图设计完成频率计数功能,用AT89C51单片机作为系统的主控部件,实现数据运算处理和控制LCD液晶显示输出。移相电路,整形电路等硬件电路作为测试电路为整个相位测量系统提供2路不同相位的信号。
EDA technology to FPGA development board as the core,with the AT89C51 microcontroller and LCD to achieve such precision frequency phase measurement.Complete a variety of FPGA design using sequential logic control,counting function.In the Quartus software platform,using Verilog language programming and schematic design is complete frequency counting function,with AT89C51 microcontroller as the master system components,data processing and control operation LCD display output.Phase shift,shaping circuit and other hardware circuit as the test circuit for the entire phase measurement system provides two different phases of the signal.
出处
《电子测量技术》
2014年第5期38-41,共4页
Electronic Measurement Technology
