嵌入式课程设计1嵌入式课程设计目 录前 言 -------------------------------------------------------------------------------------------------------------------- 1 - 嵌入式系统简介 ........................................................................................................... - 2 - 认识博创经典实验箱 ................................................................................................... - 2 - 建立开发环境 ............................................................................................................... - 3 - 给下位机烧写软件系统 ............................................................................................... - 3 - ----------------------------------------------------------------------------------------------------------- 4 - LED 显示控制原理........................................................................................................ - 4 - 7 段(或 8 段)LED ........................................................................................... - 5 - 点阵式 LED ......................................................................................................... - 6 - 74HC273 在开发板上的连接 ....................................................................................... - 6 - 7 段(或 8 段)LED 的连接 .............................................................................. - 6 - 点阵式 LED 的连接 ............................................................................................ - 7 - LED 编程........................................................................................................................ - 8 - 7 段 LED 的段码表 ............................................................................................. - 8 - 点阵式 LED 的显示缓冲区 ................................................................................ - 9 - ----------------------------------------------------------------------------------------------- 9 - 设计需求 .....................................................................
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