求助:keil uvision3中支持定时器2编程吗
ORG 0000HLOOP:
MOV TL2,#0B0H
MOV TH2,#3CH
WAIT:
JBC TF2,LL
SJMP WAIT
LL: CPL P3.0
SJMP LOOP
END
编译出错:1.ASM(2): error A45: UNDEFINED SYMBOL (PASS-2)
1.ASM(3): error A45: UNDEFINED SYMBOL (PASS-2)
1.ASM(7): error A45: UNDEFINED SYMBOL (PASS-2)
1.ASM(8): error A45: UNDEFINED SYMBOL (PASS-2)
1.ASM(9): error A45: UNDEFINED SYMBOL (PASS-2)
我已选了89C52 自己在文件头定义一下吧。。。。。 试试用keil uvision2
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