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摘要：本设计是视频图像处理硬件平台的一部分。我的任务是在合作完成硬件测试平台系统设计的基础上，将重点设计DVI信号传输的监测模块。
DVI数字视频接口具有信号传输质量好，传输距离长等优点，有效地减少了视频信号通过A/D和D/A转换而造成的信号失真。现在已经广泛应用到家庭数字视频设备中，逐渐开始替代模拟视频传输接口，成为视频传输接口的主流。
在该论文中，我首先研究了DVI，VGA接口及其协议，学习了系统核心芯片资料，在此基础上，完成了DVI接收、监测硬件电路的设计。同时研究了系统中的D/A芯片——THS8200芯片正常工作需要的寄存器配置要求，学习了IIC协议，完成了相关的单片机硬件配置电路制作和相关软件程序的设计，并随后进行了配置系统的软硬件验证，在系统软硬件完成后，合作进行了DVI接收，监测系统的调试，系统正常工作。
关键字：DVI；数据传输；监测；单片机
The Design of the Data Tramission and Monitor Module Based on DVI
Abstract: This design is a part of the hardware platform of video image processing. The platform circuit is designed by our group at first, this thesis focuses on the module of DVI signal transmission.
DVI digital video interface has many advantages, such as excellent signal quality, long transmitting distance, etc. DVI reduces the signal distortion caused by the conversion of A/D and D/A. Nowadays, DVI is used widely in the digital home video equipments, and is replacing the analog video transmission interface gradually. DVI will become the mainstream of the video transmission interface.
In this dissertation, the protols of DVI and the VGA interface is studyed at first, and then,the datasheets of the main chips used in the system are analysed. Based on these, the circuit of the DVI tramission and monitor is designed by our group. At the same time the values of register memorys of THS8200(a D/A conversion chip) are obtained, the protocol of IIC-BUS is studied. The design of the configuration circuit and relevent software of SCM for the chip are finished。When the handware and software are ready, the system is debugged by our group. The system works well finally.
Key words: DVI, Date Transmission, Supervision, SCM
