一種基于C8051單片機的SPWM波形實現方案

摘要：詳細介紹了通過C8051單片機的可編程計數器列陣PCA來實現SPWM控制波形的原理和方法，并對SPWM脈沖序列中的最小脈沖處理問題進行了分析。實驗結果證實了該方法的準確性和可靠性。 敘詞：C8051；SPWM波形；最小脈沖 Abstract：The principle and method of producing SPWM control waveform by using the C8051 MCUs’ programmable counter array (PCA) is introduced in detail. And the minimum pulse problem of the SPWM pulse series is analyzed. Experimental results verify that the method is accurate and reliable. Keyword：C8051, SPWM waveform, minimum pulse