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提出了一种基于CATV网的广播数据接收卡的实现方案,并简要地介绍了系统的工作原理,具体给出了各部分硬件的实现过程。该卡的设计基于PCI总线,采用了一种新型的PCI接口芯片,从而大大简化了硬件电路结构,提高了系统的集成度。
A CATV network-based broadcast data receiving card implementation scheme is proposed, and the working principle of the system is introduced briefly. The implementation process of each part of the hardware is given specifically. The card design based on the PCI bus, using a new type of PCI interface chip, which greatly simplifies the hardware circuit structure and improve system integration.