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计算机工程 ›› 2007, Vol. 33 ›› Issue (10): 280-282. doi: 10.3969/j.issn.1000-3428.2007.10.100

• 开发研究与设计技术 • 上一篇    下一篇

Javacard CPU的设计与实现

张德学,郭 立,傅忠谦,何 力   

  1. (中国科技大学电子科学与技术系,合肥 230026)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-05-20 发布日期:2007-05-20

Design and Implementation of Javacard CPU

ZHANG Dexue, GUO Li, FU Zhongqian, HE Li   

  1. (Department of Electronic Science and Technology, University of Sciences and Technology of China, Hefei 230026)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-05-20 Published:2007-05-20

摘要: 支持Javacard技术标准是智能卡的发展方向,目前的Javacard系统大多是采用软件虚拟机的方式来解释执行或者通过just-in-time方式执行Java指令,系统软件平台本身占用了大量的资源,且执行效率不高。解决这些问题的方法就是实现硬件Javacard指令处理器。该文给出了一种基于微码的Javacard指令处理器的FPGA设计和实现,以Javacard CPU为核心搭建Javacard CPU测试平台,并将其集成在一块FPGA上实现。

关键词: Javacard, 处理器, 智能卡

Abstract: Javacard is the development direction of smart card. Most of the Javacard systems use the software virtual machine to execute Javacard instruction. The system takes up a great deal of hardware resources, and it is unefficient. The resolution is to implement the hardware Javacard instruction processor. This paper describes a design of Javacard hardware processor based on microcode.

Key words: Javacard, CPU, Smartcard

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