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首先这里说的限流是针对采用PWM信号控制开关器件的功率回路来说的。
电流反馈信号,接到外置或片内比较器上,比较器输出接TZ的输入。
If the cycle-by-cycle trip
event is still present when the CBC bit is cleared, then CBC will be immediately set again. The
specified condition on the pins is automatically cleared when the ePWM time-base counter
reaches zero (TBCTR = 0x0000) if the trip condition is no longer present. The condition on the
pins is only cleared when the TBCTR = 0x0000 no matter where in the cycle the CBC flag is
cleared.
这一段是在ti的pdf里找到的,请问这里的pins是什么意思啊? 是不是要先设置pins脚的功能,由这个pins而引发事件啊?谢谢!