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AT89S52与CF卡的接口设计
消耗积分:5 |
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大小:174 |
2009-08-04
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本文介绍了CF卡和单片机接口的各种模式，比较了各种模式的利弊。给出了2种常用模式下的电路原理图，简要说明了IDE模式下存取工作的原理，阐述了映射存储模式下CF卡的存取原理。
关键词：CF卡；单片机；接口模式；读写扇区
ABSTRACT: In this paper, kinds of interface mode to CF card and PC are reviewed, and their advantages and disadvantages are compared as well. The schematic circuit diagrams of two general modes are given. The access principles of IDE MODE is explained simply. And the access principle of CF card under mapping storage mode is illustrate also.
KEY WORDS: CF card, MCU, interface mode, read-write section
关键词：CF卡；单片机；接口模式；读写扇区
ABSTRACT: In this paper, kinds of interface mode to CF card and PC are reviewed, and their advantages and disadvantages are compared as well. The schematic circuit diagrams of two general modes are given. The access principles of IDE MODE is explained simply. And the access principle of CF card under mapping storage mode is illustrate also.
KEY WORDS: CF card, MCU, interface mode, read-write section
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