ORG 1000H
DEL: MOV R7ï¼#20; åå¨æ1s â è¿é没æ循ç¯ï¼1T
DEL1ï¼MOV R6ï¼#125; åå¨æ1s â¡è¿é循ç¯20次ï¼20T
DEL2ï¼DJNZ R6ï¼DEL2; åå¨æ2s â¢è¿é循ç¯20*125次ï¼1000T
DJNZ R7ï¼DEL1; åå¨æ2s â£è¿é循ç¯20次ï¼40T
RET; åå¨æ1s â¤è¿é没æ循ç¯ï¼1T
æ»å
±å»¶æ¶å¨ææ°=â +â¡+â¢+â£+â¤=1062T
12M
æ¶æ¯æ¶1T=1usï¼æ以æ»å»¶æ¶æ¶é´=1062å¾®å¦=1.062毫ç§