?????C51?е?NOP?????????
????1??
??keil C51?У????????????
#include
_nop_(); // ???????NOP???
??????????????????????us?????????“_nop_”??????????????????NOP???????????NOP????????????????????????????????????12M???????1uS????????????????????????10us??????C51?е?????????????
????2??
?????:
__asm //???????????
{
nop;
}

????admin ?????????2018-05-18