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1前言在当前闭路电视监控系统中，采用单片机技术完成对镜头、云台（多点）的控制，已得到广泛应用。随着单片机应用技术的发展，各大公司厂家推出一系列新产品。我们选用ATMEL公司的ThMI单片机应用在多点控制的闭路电视监控的解码器研制项目中，达到了设计要求，使解码器研
1 Preface In the current closed-circuit television monitoring system, the use of single-chip technology to complete the lens, PTZ (multi-point) control, has been widely used. With the development of microcontroller applications, major companies have introduced a series of new products. We selected ATMEL’s ThMI microcontroller applications in multi-point control of closed-circuit television monitoring decoder development project, to meet the design requirements, so that the decoder research