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实用新型
CN202841366U 一种基于龙芯CPU的高清晰视频装置 失效 - 权利终止

一种基于龙芯CPU的高清晰视频装置
摘要：
本实用新型提出一种基于龙芯CPU的高清晰视频装置，包括龙芯CPU、北桥芯片RS780E、南桥芯片SB710、视频编解码芯片BCM70010、视频显示芯片SM750和DMA控制器，北桥芯片分别与龙芯CPU、南桥芯片和视频显示芯片SM750相连，DMA控制器与龙芯CPU相连，视频编解码芯片BCM70010与南桥芯片相连。该装置通过视频编解码芯片和视频显示芯片使龙芯CPU实现了X86市场上的高清晰VGA显卡功能；该装置只通过龙芯CPU来发送接收命令，而真正视频播放任务分配给视频编解码芯片和视频显示芯片来承担，最大程度的减轻了龙芯CPU的工作负荷，从而增强了龙芯CPU对其他应用的运算能力。
摘要（英）：

The utility model relates to a high definition video device based on a loongson CPU. The high definition video device comprises the loongson CPU, a north bridge chip RS780E, a south bridge chip SB710, a video coding and decoding chip BCM70010, a video display chip SM750 and a DMA controller, wherein the north bridge chip RS780E is respectively connected with the loongson CPU, the south bridge chip SB710 and the video display chip SM750, the DMA controller is connected with the loongson CPU, and the video coding and decoding chip BCM70010 is connected with the south bridge chip SB710. According to the high definition video device, by arranging the video coding and decoding chip and the video display chip, a function of a high precision VGA display card in X86 market is realized by the loongson CPU, the high definition video device can only be used for sending and receiving commands through the loongson CPU, and real video playing tasks are shared by the video coding and decoding chip and the video display chip, work load of the loongson CPU is reduced to the maximum degree, and thereby other application operation capabilities of the loongson CPU are improved.

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