KUKA MFC2通用接口總線( General Purpose Interface Bus,GPIB) 使主動(dòng)化測(cè)驗(yàn)儀器
的互聯(lián)有了共同的規(guī)范,極大地推進(jìn)了主動(dòng)測(cè)驗(yàn)技能的開(kāi)展。GPIB 總線具有并行總
線傳送速度快、有用數(shù)據(jù)速率高、驅(qū)動(dòng)才干強(qiáng)、通訊距離可達(dá)20m、抗攪擾才干杰出
及通用性特色,總線上最多可掛接15 臺(tái)設(shè)備并且傳輸速度能夠抵達(dá)8Mbit /s,因而
KUKA MFC2 有杰出的運(yùn)用前景[1]
GPIB 操控器IP 核規(guī)劃選用模塊化思維,首要模塊包含狀況機(jī)模塊、數(shù)據(jù)通路模塊
和譯碼電路模塊。對(duì)狀況機(jī)模塊的規(guī)劃包含8 個(gè)小模塊( 如源方掛鉤及受方掛鉤等
) ,選用VHDL 言語(yǔ)對(duì)各個(gè)小模塊進(jìn)行編程完結(jié),最終調(diào)用各子模塊并用原理圖的
辦法進(jìn)行狀況機(jī)頂層模塊規(guī)劃,并在Synplify 以及QuartusⅡ渠道進(jìn)行剖析和仿真
。對(duì)數(shù)據(jù)通路的規(guī)劃也選用相同的辦法,先對(duì)各個(gè)子模塊進(jìn)行規(guī)劃,然后進(jìn)行全體
規(guī)劃。最終調(diào)用狀況機(jī)頂層模塊、數(shù)據(jù)通路頂層模塊及多線音訊譯碼電路模塊等進(jìn)
行GPIB 操控器IP 核的頂層規(guī)劃。完結(jié)悉數(shù)IPCore規(guī)劃后,經(jīng)過(guò)JTAG 下載辦法將
Core 下載到選定的DE2 專(zhuān)用開(kāi)發(fā)套件CPLD 芯片進(jìn)行通訊設(shè)置驗(yàn)證,成功后再建立
硬件,然后得到實(shí)體化GPIB 操控器。
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