fifo interface 中文意思是什麼
fifo interface
解釋
先進先出介面-
Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。 -
This paper discusses in detail some problems about scanning sound intensify mearusing system of the pc machine from perspectives of both hardware and software. it puts emphasis on analyzing and working out problem of multicenter data sampling in phase fifo amortize arbitrarness waveform generator this paper makes a deep discussion on the computer exteral interface technology which is developing in high speed. it analyses scanning sound intensify mearusing system interface technology on the basis of isa pci, and introduce the promising idea about designing mearusing system of scanning sound intensity by using usb interface
本文針對快速發展的計算機外部介面技術進行了較深入的探討，分析了基於isa總線、 pci局部總線的掃描聲強測試系統介面技術，並提出採用usb介面的聲強數據採集與處理系統的設計思想，同時對windows底層進行了詳盡的分析，採用vtoolsd 、 vc + + 、 ddk編制的掃描聲強測試系統驅動程序，運行在系統核心（ 0級環） ，並能與windows很好的協作運行，既能體現windows的多任務操作系統的特點，又保證了數據可靠、實時的採集。 -
By the utilization of cpld chip, all the data sampled are transmitted into computer through fifo registers and single - chip microcomputer with usb2. 0 interface
所采數據在由cpld晶元所設計的控制電路控制下，通過fifo緩存以及帶usb2 . 0介面的單片機晶元，被傳輸至計算機。 -
The major work is as following : the main problem that the encrypt subsystem of hospitalization insurance system is analyzed, and the scheme using dsp technology to realize encrypt arithmetic is brought out. the data encrypt card using dsp chip, pci interface chip, asynchronism fifo chip and epld that realize the control of the data encrypt card is designed and implemented
主要做了以下幾方面工作： （ 1 ）分析了醫療保險信息系統加密子系統需要解決的主要問題，提出了採用dsp技術實現加解密演算法的數據加密卡解決方案； （ 2 ）數據加解密卡的硬體設計和實現。 -
The peripheral controller consists of frequency detector, data sample controller, fifo, lcd driver and the interface circuit between dsp and fpga
外圍控制器囊括了硬體系統中幾乎所有的數字電路，包括頻率/周期測量、數據採集控制、 fifo 、 lcd驅動以及fpga與dsp之間的介面電路等。 -
The digital upward frequency conversion is the key element of the waveform synthesis. at the same time, basic theoretical analysis and optimum design are done for pci bus slave interface, fifo, transmit signal processor, digital - to - analog converter and logic control
本文對波形合成技術的核心? ?數字上變頻進行了深入細致的研究和介紹，同時對波形合成器中的pci總線介面、先進先出緩沖器、發射信號處理、數模轉換及邏輯控制等部分進行了分析和優化設計，給出了最佳設計方案。 -
Fifo data channel of pci interface chip s5933 and approach of realizing pci bus master dma through the fifo is introduced in detail. the reason for choosing s5933 ' s fifo to transfer data at high speed is clarified. secondly, the design process of hardware is introduced
文中首先介紹了pci總線的協議，討論了pci介面的實現途徑，並詳細介紹了pci介面晶元s5933的fifo通道及其總線主控dma方式的實現方法，闡明了選用s5933的fifo通道進行高速數據通信的原因。 -
Software design includes many aspects, such as design of interface, interrupt and clock control, monitoring, etc. sampling and accessing quickly data of chromatogram peak is an important tache to ensure analytic and real time performance of chromatograph, fifo make high - speed input and output of a / d sampling data possible, and expended memory, instead of disk, save a great deal of peak data and process parameter
硬體系統由cpu 、 a / d 、 d / a 、顯示驅動、實時鐘五個模塊組成，軟體設計包括譜峰數據的高速採集和存取、人機界面的設計、中斷和實時鐘控制、監測控制等方面的工作。譜峰數據的高速採集和快速存取是保證工業色譜儀分析性能和實時性的重要環節，採用了fifo存儲器技術實現a / d采樣數據的高速輸入輸出，使用擴展內存代替硬盤存貯過程參數和海量的譜峰數據。 -
This image grab card uses saa7111 to translate the analogue signal to digital image data. after buffering in an fifo ram the data are read into computer by a universal pci interface chip, pci9052. finally the images are displayed on screen
該視頻採集卡以fpga為邏輯控制中心，採用saa7111將四路視頻信號分別轉換為數字圖像數據，經fifo緩存后，由pci總線介面晶元pci9052將數據送入計算機，最後通過應用程序將圖像顯示出來。
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