| 基于最少器件电路替代智能卡接口芯片的设计 |
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| 引用本文： | 吴坤.基于最少器件电路替代智能卡接口芯片的设计[J].微型机与应用,2012,31(12):24-26. |
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| 作者姓名： | 吴坤 |
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| 作者单位： | 上海交通大学电子工程系,上海,200240 |
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| 摘 要： | 简述了数字电视系统中智能卡的工作原理,介绍了智能卡接口芯片TDA8024的功能,由此设计了一款电路替代TDA8024,并分析了测试结果。结果表明,此电路能够很好的替代TDA8024实现智能卡与机顶盒的通信,符合ISO7816标准,有效地降低了成本。目前此电路已经应用于数字机顶盒产品中。
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| 关 键 词： | 智能卡 TDA8024 ISO 7816 电路设计 |
Design of a replacement circuit of the smart card interface chip based on a minimun device circuit |
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| Wu Kun.Design of a replacement circuit of the smart card interface chip based on a minimun device circuit[J].Microcomputer & its Applications,2012,31(12):24-26. |
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| Authors: | Wu Kun |
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| Affiliation: | Wu Kun (Department of Electronic Engineering,Shanghai Jiao Tong University,Shanghai 200240,China) |
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| Abstract: | This paper introduces the working principle of smart card and the functions of interface chip TDA8024 in digital television system. Then a replacement circuit of interface chip named TDA8024 is designed. At last the test results are given. The circuit can be a good alternative to TDA8024,implementing the communications of smart card and set-top box. The circuit is in accordance with the ISO 7816 standard,and reduces cost effectively. It has been applied to the digital set-top box products. |
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| Keywords: | smart card TDA8024 ISO 7816 circuit design |
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