Design of Reactor Alarm Instrument Based on SOPC
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摘要: 以Altera公司的NiosⅡ软核处理器为核心,完成了反应堆嵌入式报警单元的设计。设计中运用了可编程片上系统(SOPC)技术,以Cyclone系列现场可编程逻辑阵列(FPGA)为数字平台,将微处理器、定时器、串口、同步动态存储器(SDRAM)等I/O接口控制器软核集中在一片FPGA上。串口通过智能协议转换器CAN232MB接入控制器局域网现场总线(CAN-bus)。报警单元具备声光报警、语音报警以及通讯、虚拟光字牌显示等功能,满足使用需求。Abstract: The design of embedded alarm instrument in reactors based on Nios II CPU is introduced in this paper. This design uses the SOPC technology based on the Cyclone series FPGA as a digital bench, and connects the MPU and drivers and interface of times,RS232, sdram,and etc. into a FPGA chip. It is proved that the system achieves the design goals in primary experimentation.
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