| 基于QL5032总线控制器的DVB流发送卡的设计与实现 |
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| 引用本文： | 祖彩霞,陈祖良.基于QL5032总线控制器的DVB流发送卡的设计与实现[J].物探化探计算技术,2004,26(3):283-286. |
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| 作者姓名： | 祖彩霞 陈祖良 |
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| 作者单位： | 成都理工大学,信息管理学院,四川,成都,610059 |
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| 摘 要： | 文中介绍了基于QL5032的PCI总线控制器的DVBTS(传输流)发送卡的构成及其应用，并给出了发送卡的硬件设计和软件设计的实现方案。数据经由PCI桥上的DMA控制器从PC系统内存传送到DVB—ASI发送卡上的输入缓冲．随后对字节进行8B／10B编码．接着使这些10比特字通过以固定输出比特率270Mb／s工作的并／串交换器。最后，通过标准DVB输出接口将计算机内的MPEG 2传输流数据以指定的速率发送给各种数字视频设备。
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| 关 键 词： | 总线控制器 PCI总线 CPLD WDM DVB |
| 文章编号： | 1001-1749(2004)03-0283-04 |
| 修稿时间： | 2003年6月19日 |
DESIGN AND IMPLEMENTATION OF THE SENDING CARD FOR DVB TS BASED ON QL5032 BUS-CONTROLLER |
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| ZU Cai-xia,CHEN Zu-liang.DESIGN AND IMPLEMENTATION OF THE SENDING CARD FOR DVB TS BASED ON QL5032 BUS-CONTROLLER[J].Computing Techniques For Geophysical and Geochemical Exploration,2004,26(3):283-286. |
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| Authors: | ZU Cai-xia CHEN Zu-liang |
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| Abstract: | In this paper, we introduce the design and implementation of the sending card For DVB TS Based on QL5032's PCI Bus-controller. Then the implementation scheme of hardware and software of the sending card are described. Data are send from PC system memory to the input buffer of DVB-ASI sending card through DMA controller on PCI bridge and bytes are coded with 8 B/10 B coding, and these ten byte words will be transited to a parallel / serial exchanger which works on fixed output bit rate 280 Mb/s. Finally, through standard DVB output interface, MPEG 2 transmission stream data are sent to various data video equipment according to assigned speed. |
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| Keywords: | PCI bus CPLD WDM DVB TS |
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