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svpwm中，Ta,Tb,Tc等于cmpa,cmpb,cmpc.那么pwm的占空比是不是就等于Ta/TBPRD,或Tb/TBPRD，Tc/TBPRD
你要看一下你的PWM配置的动作方式是什么，还有PWM的计数方式是什么，如果是增减模式，通常是CMPA/2*TBPRD
Eric
就是说假如是增减模式就是 (Ta*2)/TBPRD?
