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基于SST89E554RC的点阵显示控制屏的设计
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大小:173 |
2009-06-22
刘洋
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介绍了以单片机SST89E554RC 为控制器的点阵中文显示控制屏的设计。详细介绍了
系统硬件的结构与软件的控制，以及如何通过PC 机将要显示的汉字汉模提取出来并发送给单片机，然后显示在点阵控制屏上的过程，并对模块中采用USB 接口的原理进行说明。
关键词：SST89E554RC；LED 点阵；动态扫描；字模提取
Abstract ： In this paper, the design of Chinese LED lattice display screen based on
SST89E554RC is introduced. The scheme of hardware and software, the process of how to
withdraw Chinese matrix, transfer from PC to single chip, and display on LED lattice screen is
presented in detail. And the principal of USB protocol in this module is described.
Keywords: SST89E554RC; LED lattice; dynamic scan; Chinese matrix
系统硬件的结构与软件的控制，以及如何通过PC 机将要显示的汉字汉模提取出来并发送给单片机，然后显示在点阵控制屏上的过程，并对模块中采用USB 接口的原理进行说明。
关键词：SST89E554RC；LED 点阵；动态扫描；字模提取
Abstract ： In this paper, the design of Chinese LED lattice display screen based on
SST89E554RC is introduced. The scheme of hardware and software, the process of how to
withdraw Chinese matrix, transfer from PC to single chip, and display on LED lattice screen is
presented in detail. And the principal of USB protocol in this module is described.
Keywords: SST89E554RC; LED lattice; dynamic scan; Chinese matrix
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