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Research of USB OTG Technology in Image High-speed Data Transfer

机译:USB OTG技术在图像高速数据传输中的研究

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In the high speed data transmission field, the mass data, which are obtained by high speed CCD camera, are compressed and stored in large capacity storage unit, and uploaded to the process control unit simultaneously. ISP 1761,which is USB protocol chip, is introduced to actualize protocol transform, control Host/ Peripheral switchover, dominate up/down high speed data transfer with the contradiction of duplicative function of data compression board in the USB transfer. In order to give full play to the function of ISP 1761, Virtex5 FPGA chip, which contains MicroBlaze function, is adopted to fulfill initialization and Direct Memory Access data transfer. High speed (52.4.8Mbps) compression data transfer is achieved.
机译:在高速数据传输场中,通过高速CCD相机获得的质量数据被压缩并存储在大容量存储单元中,并同时上传到过程控制单元。 ISP 1761是USB协议芯片的,介绍了协议变换,控制主机/外围切换,占据USB传输中数据压缩板的重复函数的矛盾,占据上/下高速数据传输。为了充分发挥ISP 1761的功能,采用Virtex5 FPGA芯片,其中包含微勃朗函数,以满足初始化和直接存储器访问数据传输。实现高速(52.4.8Mbps)压缩数据传输。

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