单项选择题
if (PwmControl != PrevPwm) begin DeadTimeCounter <= DeadTime; if (PwmControl) PwmLreg <= 0; else PwmHreg <= 0; end else if (DeadTimeCounter != 0)
DeadTimeCounter <= DeadTimeCounter - 1; else begin if (PwmControl) PwmHreg <= 1; else PwmLreg <= 1; end end
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