...子书套装软件，用户可以将电脑中的资料自行加以编辑及转换为ebk格式，然后只要驳上传输线，由一般电脑之通讯端口（PC COM PORT）作下载，就可把内容存盘存入电子书籍内置的记忆体或电子书书卡中，传输速率可达115200 bps，方便快捷。
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Through programming the com port of microprocessor realized the communication with PC.
通过单片机内部的串行口编程完成了单片机和PC机之间的通信。
Two PC can communicate to each other by COM port and you can change the serial port parameter with the program.
程序可以实现利用 PC机的两个 COM口实现异步通信，并能根据设置调整异步传行通信 参数。
Therefore, this work is taken over by PC, allowing PC to withdraw the Chinese fonts from Chinese character library and sending them to the single chip computer through the com port.
因此将这个工作交给PC机，让PC机访问汉字库并提取汉字字模，再通过串口将汉字字模发送给单片机。
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