1.TZn是低电平有效,到达或门的信号都是低电平,要怎么导通或门呢?
2.后面的SYNC,资料上说是为了和系统时钟同步,不明白什么意思?为什么要同步?怎么同步?
3.红线的两条线不知道是做什么的。CLEAR不是有TZCLR[OST]寄存器吗,SET直接从接入锁存器前的SET信号接进来不就好了。
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