缺芯的影響,隨著對(duì)芯片的需求量持續(xù)增加,汽車、手機(jī)都出現(xiàn)缺芯的情況。半導(dǎo)體國(guó)產(chǎn)化進(jìn)程加速,芯片不斷滲透進(jìn)消費(fèi)者的日常生活中,目前汽車芯片相關(guān)已滿負(fù)荷運(yùn)轉(zhuǎn)生產(chǎn)。
半導(dǎo)體行業(yè)國(guó)產(chǎn)化進(jìn)程不斷加強(qiáng),近兩年芯片供應(yīng)不足問題依然嚴(yán)峻,各類產(chǎn)品推動(dòng)了芯片需求的漲。白酒板塊突破震蕩箱體后再破前高,,短期漲較大,板塊的短線形態(tài)較弱,形態(tài)沒有很大好轉(zhuǎn)。
回收ICSI電子元件再者,就是每一計(jì)數(shù)的時(shí)間是多久?一般我們?nèi)?2M晶振時(shí),一個(gè)周期剛好是1us,計(jì)數(shù)1000個(gè)就是1ms,這是因?yàn)闃?biāo)準(zhǔn)的51單片機(jī)是12時(shí)鐘周期的(STC有6時(shí)鐘和1時(shí)鐘方式)。那么,如果我們晶振是12M,就比較好算,如果是其它的,就用12去除好了。比如是6M的,那么就是12/6=2,每個(gè)計(jì)數(shù)是2us,那么你要定時(shí)1ms就只要計(jì)數(shù)500個(gè)即可以。定時(shí)器的初值跟定時(shí)器的工作方式,跟晶振頻率都有關(guān)系。一個(gè)機(jī)器周期Tcy=晶振頻率X12,計(jì)數(shù)次數(shù)N=定時(shí)時(shí)間t/機(jī)器周期Tcy,那么初值就X=65536-N,得出的數(shù)化成十六進(jìn)制就行了。
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回收CHIPlink芯聯(lián)電子IC芯片回收電子器件