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TMS320F28035: 各个载波未进行周期同步,差异会有多大?

Part Number: TMS320F28035


使用EPWM1\EPWM2\EPWM3配置某种模式的PWM,如果只在初始化时通过软件强制对这个3个三角载波同步一次(无过零或周期或其它形式同步),那么长久的话,这3个三角载波在时序上最大差异多少?