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USB接口

基于雙模式USB接口的便攜式比色計(jì)設(shè)計(jì)

發(fā)布日期:2022-05-18 點(diǎn)擊率:123

本文設(shè)計(jì)一種以C8051F020單片機(jī)為處理器,雙模式USB為接口的比色計(jì)儀器。該儀器可以工作在USB設(shè)備和主機(jī)兩種模式。在設(shè)備模式下,能直接與計(jì)算機(jī)進(jìn)行數(shù)據(jù)通信;在主機(jī)模式下,能讀寫U盤,通過U盤進(jìn)行數(shù)據(jù)的傳輸。儀器采用雙USB插座,由單片機(jī)判斷確定設(shè)備的工作方式。

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