基于SOPC的SPWM波形的实现

Realization of SPWM waveform based on SOPC

设计了一种基于SOPC的SPWM波形发生电路,阐明了应用SOPC的设计思想及使用DSP Builder工具开发电子系统的思路．叙述了应用该技术完成SPWM波在线计算脉冲宽度和波形控制的实现过程．所设计电路具有在线可编程、精度高等优点,并通过实验证实了系统设计的有效性．

A waveforrn circuit of SPWM based on SOPC is designed. The design concepts applying SOPC and the electronic systems which use DSP Builder tool are illustrated. The realization process of calculating the pulse width of SPWM waveforrn and process of the waveforrn control are related. The circuit possesses online programmable, high precision and so on. The validity of the system design is indicated by the experiment outcome.