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我用TMS320F28069,在epwm模式下,死区能正常产生。但是在hrpwm,相位模式(使能TBPHSHR)下,只能在EPWMxA中产生hrpwm的效果,如果配置EPwmxRegs.HRCNFG.bit.SELOUTB,可以让EPWMxB产生hrpwm的效果,但是却没死区了。请问里面还有什么特别事项要注意么? 如果要让EPWM1A和EPWM1B都有hrpwm的效果,并且有死区。