基于Nios Ⅱ处理器的口腔CT控制系统的设计  

Design of dental CT control system based on Nios Ⅱ processor

作　　者：骆毅斌[1] 周凌宏[1] 张广鹏[1] 

机构地区：[1]南方医科大学生物医学工程学院,广东广州510515

出　　处：《电子技术应用》2013年第6期7-9,13,共4页Application of Electronic Technique

基　　金：广东省战略性新兴产业核心技术攻关项目(2011A081402003);广州市重大科技专项计划项目(2011Y1-00019)

摘　　要：采用Altera公司的CycloneIV系列的EP4CE15F256型芯片作为核心芯片设计了口腔CT控制系统,嵌入Nios Ⅱ处理器,利用该处理器和内部逻辑电路实现了控制系统同步信号的输出,同时实现了上位机的通信、各个电源的控制、X射线管电压/管电流的监测以及参数的输入、显示和存储等功能。该口腔CT控制系统电路设计简单,软件设计灵活,能有效缩短开发周期,达到预期效果。The core chip of dental CT control system is designed using EP4CE15F256 of Cyclone IV series＇ FPGA chip of Altera company,which is embedded processor Nios II. The synchronous signal output of the control system is realized using the pro- cessor and internal logic circuit. At the same time, some other functions including PC communication, power control, X-ray tube voltage and tube current monitoring,and input, display and storage of kinds of parameters are realized. This synchronous control system makes circuit design be more simple and software design be more flexible. It can effectively shorten development cycle, and reach the desired results.

关 键 词：NIOS II 口腔CT 同步控制 串口通信 

分 类 号：R318.6[医药卫生—生物医学工程]