基于FPGA的光电系统同步自适应电路设计与实现

Design and realization of photoelectric system synchronization adaptive circuit based on FPGA

针对光电系统内外同步信号需手动切换的问题,提出一种基于FPGA芯片的内外同步信号自适应切换的设计方法。利用Quartus II软件图形设计和VHDL硬件描述语言设计了同步信号自适应电路,实现了内外同步信号的自适应切换,经波形仿真及在某光电系统中的应用,该电路简单可靠、集成度高,调试维护方便。

Aiming at the problem that the inside and outside synchronization signal of photoelectric system must be switched manually,proposed a design method based on FPGA of the automatically switching between the inside and outside synchronization signal.Designed the adaptive circuit of the synchronization signal by using the Quartus Ⅱ graphics and VHDL,and realized automatic switch for the inside and outside synchronization signal.After the wave simulation and applied in a certain photoelectric system,the conclusion will be achieved that the simple and credible circuit has high level integration and can be maintain expediently.