基于龙芯2J1500的计算机主模块设计  

作　　者：沙万里[1] 

机构地区：[1]江苏自动化研究所,江苏连云港222061

出　　处：《工业控制计算机》2020年第5期19-20,22,共3页Industrial Control Computer

摘　　要：为跟进国产化处理器的发展,研制更新、更快、国产化率更高的加固计算机,提出了基于龙芯2J1500处理器的CPCI计算机主模块的设计方法。主要介绍龙芯2J1500+1A硬件总体设计框架,给出技术指标、电源时钟及接口电路的设计方法。最后对方案的计算性能及显示性能进行了对比测试,测试结果表明,方案计算性能较现用2J产品提升3倍以上,显示性能与现用方案持平,可进行现有产品的国产化替代。In order to follow up the development of domestic processors,and to development of newer,faster and higher localization rate of the computer,this paper proposes based on Loongson 2 J1500 processor CPCI computer main module design method.The main design framework of Loongson 2 J1500+1 A hardware is introduced,and the design method of power supply clock and interface circuit is given.Finally,the calculation performance and display performance of the scheme are compared.The test results show that the performance of this scheme is with 2 J products to enhance more than 3 times,showing performance and current program flat,the localization of existing products can be replaced.

关 键 词：龙芯 2J1500+1A 加固计算机 CPCI 

分 类 号：TP332[自动化与计算机技术—计算机系统结构]