多通道数字脉冲发生器的SoPC实现  

Design of Multi-channel Digital Impulse Generator Based on SoPC

作　　者：龚敬[1] 孟令军[1] 严帅[1] 尹维汉[1] 

机构地区：[1]中北大学仪器科学与动态测试教育部重点实验室电子测试技术国家重点实验室,山西太原030051

出　　处：《电视技术》2011年第15期71-73,88,共4页Video Engineering

基　　金：国家自然科学基金项目(60871041)

摘　　要：介绍了一种采用SoPC技术实现多通道数字信号发生器的方法,系统由FPGA及相应接口电路组成,将Nios Ⅱ嵌入式软核CPU集成到FPGA中,构成片上系统(SoC),可以产生多种特定的数字脉冲信号,能够通过上位机软件控制实现不同通道、个数和频率脉冲信号的输出。经验证,介绍的方案稳定精确,能够提供通道、频率和个数可控的数字脉冲信号。In this paper, the technic of ScPC to accomplish multi-channel digital impulse signal generator is adopted, which consists of FPGA and related interface circuit, the Nios II soft kernel is integrated to FPGA and the system on chip （SoC） is formed, several special digital signal are provided and pulses are sent with different channel, number and frequency through computer software. The project which can provide digital impulse with different channel, number and frequency is credible and accurate after validating.

关 键 词：多通道 片上可编程系统 现场可编程门阵列 NIOS Ⅱ 

分 类 号：TN79[电子电信—电路与系统]