å 为å¨æ为10毫ç§ï¼å®æ¶å¨ä¸ææ¹å¼ï¼æ以åå¼åºè¯¥ä¸ºï¼65536-(10/2)*1000=65536-5000
TH0=(65536-5000)/256
TL0=(65536-5000)%256
ç¨åºå¦ä¸ï¼
ORG 0000H
LJMP MAIN
ORG 000BH
LJMP T0ISR
ORG 0030H
MAIN:
MOV TMOD,#01H
MOV TH0,#HIGH(65536-5000)
MOV TL0,#LOW(65536-5000)
SETB TR0
SETB ET0
SETB EA
SJMP $
T0ISR:
CLR TR0
MOV TH0,#HIGH(65536-5000)
MOV TL0,#LOW(65536-5000)
SETB TR0
CPL P1.0
RETI
END
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