MDK模拟高级定时器死区出现的问题

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时钟72MHZ，采用定时器1，的通道二，生成两路互补的PWM波形，生成152us的死区时间。MDK模拟的死区时间为200us，小白求学，希望大家指点指点。

//死去配置如下        TIM_BDTRInitTypeDef Tim_DGTInitStructure;
       
        Tim_DGTInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable;
        Tim_DGTInitStructure.TIM_Break = TIM_Break_Disable;//刹车功能
        Tim_DGTInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High;
        Tim_DGTInitStructure.TIM_DeadTime =0x0B;
        Tim_DGTInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_OFF;
        Tim_DGTInitStructure.TIM_OSSIState = TIM_OSSIState_Disable;
        Tim_DGTInitStructure.TIM_OSSRState = TIM_OSSRState_Disable;
       
        TIM_BDTRConfig(TIM1,&Tim_DGTInitStructure);

模拟图如下：

            

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