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把这句话__asm(" RPT #7 || NOP"); 放在程序中,它的作用是一个延时,是不是可以理解就是一个delay_ns();这样的语句?
程序在这段话执行中会盲等一段时间?那么具体__asm(" RPT #7 || NOP"); 这个时间是多少呢?有一个NOP究竟是多久?