本文论述了一种基于 ARM 和ZLG/IP 的嵌入式通信控制器的软、硬件设计方法。该控制器可以灵活的将串口设备连接到以太网，与其它网络设备通信。并以其在校园考勤系统中的应用为例，分析了软件设计思路，给出了程序关键代码，该例子对该控制器在其他领域的应用具有一定的参考价值。关键词：ARM; ZLG/IP; 嵌入式通信控制器;考勤系统Abstract: The paper discusses the software and hardware design methods of embeddedcommunication controller based on ARM and ZLG/IP. The controller can agilely route databetween serial device and Ethernet device. Then it describes the application in the system of check on work attendance in detail. The example can be used for reference in some applications.Key words: ARM; ZLG/IP; embedded communication controller; check on work attendance