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光纤收发模块用于低速异步串行通信的设计

消耗积分:3 | 格式:rar | 大小:1.34 MB | 2018-01-22

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  实验是通过改变占空比从而改变传输速率。具体实现方式如下:设定通信速率最低为9600bps,最高为115200bps,速率必须为常用标准速率。列表如下:9600,19200,38400,57600,115200单片机设定频率为11. 0592×3MHz。调制时按115200速率的位进行,O变为1:3的占空比,1变为3:1占比。输入接INTI,INTI工作在上下沿中断方式当中断发生时,调整定时器T1工作在230400bps×4自动重载定时方式INT1中断或T1中断3次时,输出低电平;T1中断1次时INT为O,则输出高电平,重复上过程即可。

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hole1007 2022-08-22
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