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TMS320F28375S: EPWM能否生产每个周期变化两次的不同占空比的PWM波形

Part Number: TMS320F28375S

目前TI的EPWM功能,能生成对称的PWM波形,或者不对称的波形。但是交替的高电平变低电平,是否可设置为保持上次的高低电平只是改变一次的PWM。即这次是高到低的比较切换,下次是低到高的比较切换。如此循环,这样可以减少一半的开关损耗。