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若采用8255A的PA口输出控制一个七段LED显示器,8255A的PA口应工作于()
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若采用8255A的PA口输出控制一个七段LED显示器,8255A的PA口应工作于()
A、方式0
B、方式1
C、方式 2
D、前面三种中任一种工作方式
时间:2022-03-31 16:04
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CMS专题
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机械制造与自动化
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A
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