All 1553b protocol handlings are realized by soc hardware logic , high reliability can be assured 所有協(xié)議均由硬件邏輯自動(dòng)完成,可靠性高
The latest usb2 . 0 supports high - speed up to 480mbps . additionally fpga users can conveniently not only design the hardware logic required , but re - program and re - configure 而現(xiàn)場(chǎng)可編程門陣列器件( fpga )是一種可以進(jìn)行重編程和重配置的芯片,可以方便地設(shè)計(jì)出所需的硬件邏輯。
The low level layer of the system is composed of hardware drivers and hardware logic block implementation . furthermore , software emulation about this system based on high level computer languages is also covered 最后緊跟現(xiàn)代軟件測(cè)試方法的發(fā)展步伐,對(duì)所編寫的軟件進(jìn)行測(cè)試,以保證在功能、性能、健壯性等方面能獲得良好的結(jié)果。
This structure not only achieves the purpose of hardware logic partition but also makes it convenient for the generation of test stimulus , fault simulation , and online debugging . furthermore , we make internal scan share the test access port , so the pin ’ s cost which brings for test is reduced 此外為減少芯片引腳開銷,我們還把內(nèi)部掃描和邊界掃描集成在一起,使其共用測(cè)試引腳,降低了因測(cè)試而帶來的芯片引腳開銷。
The research of this task comes from key projects in scientific research of the tenth " five - year plan " ( ( the technology of color spray - paint graph plotter for military use ) ) . a further study has been made of pci2 . 2 bus protocol , and a theoretical summarization of the protocol needed in the design of pci system is presented from the viewpoint of engineering application . . on the basis of a good knowledge of pci bus protocol , this paper suggests a new method of data transmission based on pci on high - speed spray - paint graph plotter , and then designs hardware logic according to the methed , puts pcb board into practice . finally , the wdm drive progam of the hardware device is designed 論文深入研究了pci2 . 2總線協(xié)議,并在工程角度上對(duì)pci總線協(xié)議中項(xiàng)目相關(guān)的協(xié)議的進(jìn)行了理論總結(jié)。本論文在深刻理解pci總線協(xié)議的基礎(chǔ)上,提出了高速大幅面新一代彩色噴墨繪圖機(jī)上基于pci數(shù)據(jù)傳輸技術(shù)的一種新穎的解決方案,并基于這種方案設(shè)計(jì)出硬件邏輯,實(shí)現(xiàn)pcb板,最后設(shè)計(jì)出該硬件設(shè)備的wdm驅(qū)動(dòng)程序。本文在設(shè)計(jì)硬件邏輯時(shí),擺脫了傳統(tǒng)設(shè)計(jì)思路,應(yīng)用了一種新穎的設(shè)計(jì)方法,應(yīng)用了quicklogic公司的嵌入式可編程接口芯片q15030來完成接口芯片設(shè)計(jì)。