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从现有交互式数字电视机顶盒的发展以及局限性出发,介绍了STMicroelectronics公司新近推出的适合于交互式数字电视应用的ST40GX1和STi5514芯片的功能特点以及接口。提出了二者相结合构成双CPU的高性能网络交互式数字电视机顶盒的方案,并给出了包括前端在内的系统的具体构成。
Starting from the development and limitations of existing interactive digital TV set-top boxes, the functional characteristics and interfaces of ST40GX1 and STi5514 chips recently introduced by STMicroelectronics for interactive digital television applications are introduced. Proposed a combination of the two high-performance dual-CPU network interactive digital TV set-top box program, and gives the front-end, including the system, including the specific structure.