【導(dǎo)讀】及32位的處理器中，一般都帶有UART串行口。數(shù)據(jù)通訊中，采用的方式一共兩種，查詢式和中斷式。CPU的負(fù)擔(dān)比較重，浪費(fèi)處理器的能力。不能夠很好的處理其他事件，當(dāng)前嵌入式技術(shù)發(fā)展迅猛，已深入到各個(gè)領(lǐng)域，得到。嵌入式系統(tǒng)是學(xué)科領(lǐng)域知識(shí)的綜合應(yīng)用，集計(jì)算機(jī)、工業(yè)控制、交通通信、醫(yī)療衛(wèi)生、國(guó)防軍事、消費(fèi)娛樂(lè)等。的電子設(shè)備里都有嵌入式系統(tǒng)的影子。手機(jī)、PDA、掌上電腦、機(jī)頂。盒、智能家電等嵌入式產(chǎn)品正在影響著人們的生活。在于掌握簡(jiǎn)易項(xiàng)目的設(shè)計(jì)方法。實(shí)驗(yàn)箱端使用自編的程序，可以進(jìn)行實(shí)時(shí)對(duì)話。發(fā)送裝置）用于異步通信，可以實(shí)現(xiàn)全雙工發(fā)送和接收。它不僅可以實(shí)現(xiàn)不同嵌。方式、是否使用紅外模式。是不支持流控制的，所以沒(méi)有UMCON2寄存器。

　　

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