【单选题】【消耗次数:1】
用8051的定时器0作定时方式,用模式2,则初始化编程为。
MOV TOMD,#06H
MOV TOMD,#02H
MOV TOMD,#10H
MOV TOMD,#60H
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相关题目
【单选题】 定时器T1作定时方式,使用工作方式2,则初始化编程为( )。
①  MOV TOMD,#06H
②  MOV TOMD,#20H
③  MOV TOMD,#10H
④  MOV TOMD,#60H
【简答题】 设(70H)=60H,(60H)=20H,P1为输入口,状态为0B7H,执行如下程序:MOV R0,#70H MOV A,@R0 MOV R1,A MOV B,@R1 MOV @R0,P1 。问R0、A、R1、B和70H中的数据是多少?
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①  GATE位置1
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【单选题】 用8051的定时器,若可以软件启动,应使TOMD中的。
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②  C/<img width=15 height=13 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:\Users\ADMINI~1\AppData\Local\Temp\ksohtml207924\wps11.jpg style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>位置1
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④  C/<img width=15 height=13 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:\Users\ADMINI~1\AppData\Local\Temp\ksohtml207924\wps12.jpg style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>位置0
【单选题】 定时器T1作定时方式,使用方式1,则初始化编程为( ) 。
①  OV TOMD,#01H
②  OV TOMD,#50H
③  OV TOMD,#10H
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①  MOV TMOD ,#01H
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③  MOV TMOD ,#05H
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