The paper introduced the choice principle of the embedded processor,and analyzed hardware platform and software platform of communication management unit adopting embedded Ethernet technology based on ColdFire in substation.

• 介绍了嵌入式处理器的选择原则,分析了基于ColdFire平台采用嵌入式以太网技术设计的一种变电站内使用的通信管理机的硬件平台构造以及软件平台的设计。