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Design and Implementation of a Single Chip Multi-waveform Signal Generator based on SOPC Design Methodology

机译:基于SOPC设计方法的单芯片多波形信号发生器的设计与实现

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This work presents a highly integrated multi-functional, multi-waveform signal generator which can generate various waveforms, with digital controller inside to adapt embedded and low power applications. The proposed system uses Nios II, a reconfigurable, programmable and optimizable soft-core embedded CPU together with modern EDA tools to accomplish system HW/SW co-design and implementation. Utilizing characteristics of Nios II, we put together core and peripheral logical units that system needs and implant them into a single FPGA chip, then uses the Avalon bus to connect peripheral modules (such as function switch buttons and 7-segment LED display units) to Nios II's Avalon bus main port (instruction and data control port). The realized system is flexible to reduce, extend, with low power consumption, and has System on Programmable Chip (SOPC) function which means the system's software and hardware is online programmable.
机译:这项工作提出了一种高度集成的多功能多波形信号发生器,可以产生各种波形,内部具有数字控制器以适应嵌入式和低功耗应用。该建议的系统使用Nios II,可重新配置,可编程和优化的软核心嵌入式CPU与现代EDA工具,以完成系统HW / SW共同设计和实现。利用NIOS II的特点,我们将系统需求的核心和外围逻辑单元放在一起,将它们植入单个FPGA芯片中,然后使用Avalon总线连接外围模块(例如功能开关按钮和7段LED显示单元) NIOS II的Avalon总线主端口(指令和数据控制端口)。实现的系统是灵活的减少,延伸,低功耗,并在可编程芯片(SOPC)功能上具有系统,这意味着系统的软件和硬件是在线可编程的。

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