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TMS320F28374D: PWM模块死区配置问题

Part Number: TMS320F28374D

配置PWM模块时,有个问题想请教下各位大佬,28374D芯片配置PWM主频为100MHz,配置PWM模块死区寄存器(DB)上升沿延时为80个PWMCLK(800ns),如果动作寄存器(AQ)输出的脉宽小于800ns,经过死区模块上升沿延时后,输出结果是什么?根据我自己的实验结果,此路PWM输出是一个恒低电平,但是不知道会不会发生意外情况,导致此路PWM输出高电平,因为手册里有提到,建议脉宽大于死区时间